rapid7/metasploit-framework
Oct 2024 – Apr 2026
19 Months active
Languages Used
RubyAssemblyCC++JavaScriptMarkdownYAMLPython
Technical Skills
Code RefactoringExploit DevelopmentRuby DevelopmentC DevelopmentC++ DevelopmentCode Obfuscation
Jack Heysel
PROFILE
Jack Heysel
Over an 11-month period, contributed to the rapid7/metasploit-framework repository by developing and refining exploit modules, enhancing documentation, and improving core security testing workflows. Focused on backend development and exploit reliability, the work included robust error handling, input validation, and dynamic configuration for modules targeting web and network vulnerabilities. Leveraged Ruby and Markdown to implement features such as flexible HTTP status handling, dynamic payload execution, and improved logging, while also standardizing documentation and terminology for easier onboarding. Collaboration and code review were central to the process, resulting in maintainable, testable code that increased module accuracy, reliability, and contributor efficiency.
Overall Statistics
Feature vs Bugs
76%Features
Repository Contributions
129Total
Bugs
13
Commits
129
Features
42
Lines of code
5,544,826
Activity Months19
Your Network
146 peopleShared Repositories
122
Work History
April 2026
2 Commits • 1 Features
Apr 1, 2026Month: 2026-04 — Rapid7/metasploit-framework: Focused on improving code quality and maintainability of critical modules while preserving feature delivery.
2 Commits • 1 Features
Apr 1, 2026Month: 2026-04 — Rapid7/metasploit-framework: Focused on improving code quality and maintainability of critical modules while preserving feature delivery.
April 2026
March 2026
9 Commits • 3 Features
Mar 1, 2026Concise monthly summary for 2026-03 focusing on rapid7/metasploit-framework. Delivered notable enhancements to the SMB relay and related authentication flows, fixed key data-retrieval bugs, and improved overall reliability and maintainability of credential-relay components. Business value includes more robust security testing workflows, reduced maintenance overhead, and better interoperability with Kerberos and NTLM protocols.
March 2026
9 Commits • 3 Features
Mar 1, 2026Concise monthly summary for 2026-03 focusing on rapid7/metasploit-framework. Delivered notable enhancements to the SMB relay and related authentication flows, fixed key data-retrieval bugs, and improved overall reliability and maintainability of credential-relay components. Business value includes more robust security testing workflows, reduced maintenance overhead, and better interoperability with Kerberos and NTLM protocols.
February 2026
5 Commits • 1 Features
Feb 1, 2026February 2026: Focused on governance and contributor experience for metasploit-framework. Delivered consolidated GSoC 2026 documentation updates, including new project ideas (CertificateTrace and KerberosTicketTrace), telnet exploit documentation, formatting improvements, exploit ranking metadata updates, and an AI usage policy for contributors. Performed targeted doc housekeeping and incorporated code-review feedback across five commits to improve clarity, consistency, and onboarding for future contributors. No major code changes this month; emphasis on documentation quality and process alignment to accelerate participation in student programs.
5 Commits • 1 Features
Feb 1, 2026February 2026: Focused on governance and contributor experience for metasploit-framework. Delivered consolidated GSoC 2026 documentation updates, including new project ideas (CertificateTrace and KerberosTicketTrace), telnet exploit documentation, formatting improvements, exploit ranking metadata updates, and an AI usage policy for contributors. Performed targeted doc housekeeping and incorporated code-review feedback across five commits to improve clarity, consistency, and onboarding for future contributors. No major code changes this month; emphasis on documentation quality and process alignment to accelerate participation in student programs.
February 2026
January 2026
18 Commits • 4 Features
Jan 1, 2026January 2026 monthly summary for rapid7/metasploit-framework focusing on key features delivered, major bugs fixed, overall impact, and technologies demonstrated. The team delivered significant feature work across SmarterMail GUID file upload exploit improvements, Kerberos authenticator robustness enhancements, and a new GNU Inetutils Telnet authentication bypass exploit module, along with a critical bug fix for user directories enumeration and comprehensive documentation updates for GSoC 2026. These changes improve exploitation reliability, authentication flow robustness, and overall maintainability, enabling more effective security testing and evaluation.
January 2026
18 Commits • 4 Features
Jan 1, 2026January 2026 monthly summary for rapid7/metasploit-framework focusing on key features delivered, major bugs fixed, overall impact, and technologies demonstrated. The team delivered significant feature work across SmarterMail GUID file upload exploit improvements, Kerberos authenticator robustness enhancements, and a new GNU Inetutils Telnet authentication bypass exploit module, along with a critical bug fix for user directories enumeration and comprehensive documentation updates for GSoC 2026. These changes improve exploitation reliability, authentication flow robustness, and overall maintainability, enabling more effective security testing and evaluation.
December 2025
4 Commits • 2 Features
Dec 1, 2025December 2025 monthly summary for rapid7/metasploit-framework: Delivered security- and reliability-focused feature updates and expanded exploitation coverage. Key items include updating the React2shell default encoder to improve security and cross-platform compatibility, and launching the Metasploit Cacti Exploit Module with authenticated RCE via a vulnerable graph template, Windows support, and updated payload options. No major bug fixes were reported this month; the focus was on robust feature delivery and code quality to strengthen enterprise testing capabilities. Business value includes reduced encoding-related issues, broader test coverage, and improved payload configurability.
4 Commits • 2 Features
Dec 1, 2025December 2025 monthly summary for rapid7/metasploit-framework: Delivered security- and reliability-focused feature updates and expanded exploitation coverage. Key items include updating the React2shell default encoder to improve security and cross-platform compatibility, and launching the Metasploit Cacti Exploit Module with authenticated RCE via a vulnerable graph template, Windows support, and updated payload options. No major bug fixes were reported this month; the focus was on robust feature delivery and code quality to strengthen enterprise testing capabilities. Business value includes reduced encoding-related issues, broader test coverage, and improved payload configurability.
December 2025
November 2025
3 Commits • 1 Features
Nov 1, 2025Monthly summary for 2025-11: Focused on improving LDAP module test reliability in rapid7/metasploit-framework through test-suite modernization and clean-up. Key actions included deprecating/removing the failing ldap_esc_vulnerable_cert_finder acceptance test, strengthening coverage with a known-failures case, and simplifying failure matching with a single regex. Commits included: - Remove ldap_esc_vulnerable_cert_finder acceptance test (ea3997978e424818767fe2e90322f7d2552a01bc) - Keep test, add failure to known failures (99e35cb591f205dfb03b21774fe5c3e4e890a575) - Use one regex to match both failures (5fc6af500f12eaa030d2796b8a593827b38764e0) Overall impact: Improved test reliability and maintainability for LDAP-related testing, reduced noise from failing tests, and clearer signaling of LDAP module behavior. These changes support faster feedback cycles and safer LDAP module changes in the Metasploit Framework.
November 2025
3 Commits • 1 Features
Nov 1, 2025Monthly summary for 2025-11: Focused on improving LDAP module test reliability in rapid7/metasploit-framework through test-suite modernization and clean-up. Key actions included deprecating/removing the failing ldap_esc_vulnerable_cert_finder acceptance test, strengthening coverage with a known-failures case, and simplifying failure matching with a single regex. Commits included: - Remove ldap_esc_vulnerable_cert_finder acceptance test (ea3997978e424818767fe2e90322f7d2552a01bc) - Keep test, add failure to known failures (99e35cb591f205dfb03b21774fe5c3e4e890a575) - Use one regex to match both failures (5fc6af500f12eaa030d2796b8a593827b38764e0) Overall impact: Improved test reliability and maintainability for LDAP-related testing, reduced noise from failing tests, and clearer signaling of LDAP module behavior. These changes support faster feedback cycles and safer LDAP module changes in the Metasploit Framework.
October 2025
2 Commits • 2 Features
Oct 1, 2025Monthly performance summary for 2025-10 focused on rapid7/metasploit-framework. The work emphasizes feature delivery and testing improvements in LDAP-related certificate discovery and CA handling, optimizing certificate visibility and cross-CA validation in high-trust environments.
2 Commits • 2 Features
Oct 1, 2025Monthly performance summary for 2025-10 focused on rapid7/metasploit-framework. The work emphasizes feature delivery and testing improvements in LDAP-related certificate discovery and CA handling, optimizing certificate visibility and cross-CA validation in high-trust environments.
October 2025
September 2025
6 Commits • 4 Features
Sep 1, 2025September 2025 (2025-09) – Developer monthly summary for rapid7/metasploit-framework focusing on LDAP/AD integration reliability, deployment flexibility, and maintainability. Delivered four key LDAP-related enhancements and refactors, improving distributed environment support, authentication flows, and code quality.
September 2025
6 Commits • 4 Features
Sep 1, 2025September 2025 (2025-09) – Developer monthly summary for rapid7/metasploit-framework focusing on LDAP/AD integration reliability, deployment flexibility, and maintainability. Delivered four key LDAP-related enhancements and refactors, improving distributed environment support, authentication flows, and code quality.
August 2025
1 Commits
Aug 1, 2025August 2025 monthly summary for rapid7/metasploit-framework: focused on improving authentication diagnostics and reliably reporting login failures. Delivered a targeted bug fix that sharpens failure reason reporting for incorrect credentials, enabling faster triage and more accurate analytics across authentication attempts. The work enhances business value by reducing downtime in login workflows and improving security incident response readiness.
1 Commits
Aug 1, 2025August 2025 monthly summary for rapid7/metasploit-framework: focused on improving authentication diagnostics and reliably reporting login failures. Delivered a targeted bug fix that sharpens failure reason reporting for incorrect credentials, enabling faster triage and more accurate analytics across authentication attempts. The work enhances business value by reducing downtime in login workflows and improving security incident response readiness.
August 2025
July 2025
5 Commits • 1 Features
Jul 1, 2025July 2025 monthly summary for rapid7/metasploit-framework focusing on reliability, stability, and code quality improvements across LDAP and AD CS-related modules. This month delivered targeted fixes to improve certificate template management, reduced documentation noise, and strengthened validation paths, all contributing to safer, more predictable deployments in environments dependent on AD CS integration.
July 2025
5 Commits • 1 Features
Jul 1, 2025July 2025 monthly summary for rapid7/metasploit-framework focusing on reliability, stability, and code quality improvements across LDAP and AD CS-related modules. This month delivered targeted fixes to improve certificate template management, reduced documentation noise, and strengthened validation paths, all contributing to safer, more predictable deployments in environments dependent on AD CS integration.
June 2025
1 Commits • 1 Features
Jun 1, 2025June 2025 monthly summary for rapid7/metasploit-framework focused on delivering a high-value Windows Privilege Escalation capability and improving testing/workflow infrastructure.
1 Commits • 1 Features
Jun 1, 2025June 2025 monthly summary for rapid7/metasploit-framework focused on delivering a high-value Windows Privilege Escalation capability and improving testing/workflow infrastructure.
June 2025
May 2025
4 Commits • 2 Features
May 1, 2025Monthly summary for 2025-05 focused on delivering security tooling enhancements in rapid7/metasploit-framework, with a emphasis on practical business value through improved detection, exploitation capabilities, and code maintainability.
May 2025
4 Commits • 2 Features
May 1, 2025Monthly summary for 2025-05 focused on delivering security tooling enhancements in rapid7/metasploit-framework, with a emphasis on practical business value through improved detection, exploitation capabilities, and code maintainability.
April 2025
18 Commits • 3 Features
Apr 1, 2025April 2025 monthly summary for rapid7/metasploit-framework focusing on delivering key features, bug fixes, and high business impact. Highlights include expanded exploit coverage for high-profile CVEs, improved reliability through vulnerability-detection fixes, and meaningful UX improvements through documentation and cross-OS support. The work enhances research value, developer onboarding, and customer-facing safety.
18 Commits • 3 Features
Apr 1, 2025April 2025 monthly summary for rapid7/metasploit-framework focusing on delivering key features, bug fixes, and high business impact. Highlights include expanded exploit coverage for high-profile CVEs, improved reliability through vulnerability-detection fixes, and meaningful UX improvements through documentation and cross-OS support. The work enhances research value, developer onboarding, and customer-facing safety.
April 2025
March 2025
13 Commits • 4 Features
Mar 1, 2025March 2025 milestone: delivered expanded exploitation capabilities and robustness within rapid7/metasploit-framework, with new modules, configurable options, and maintainability improvements that increase coverage of key platforms (Windows, GLPI, Sitecore) while enhancing reliability of detection, data extraction, and code quality. The work emphasizes business value through broadened testable scenarios, safer module behavior, and cleaner, maintainable code for long-term sustainability.
March 2025
13 Commits • 4 Features
Mar 1, 2025March 2025 milestone: delivered expanded exploitation capabilities and robustness within rapid7/metasploit-framework, with new modules, configurable options, and maintainability improvements that increase coverage of key platforms (Windows, GLPI, Sitecore) while enhancing reliability of detection, data extraction, and code quality. The work emphasizes business value through broadened testable scenarios, safer module behavior, and cleaner, maintainable code for long-term sustainability.
February 2025
5 Commits • 2 Features
Feb 1, 2025In February 2025, rapid7/metasploit-framework delivered three focused updates to strengthen exploit workflow, reliability, and maintainability. A new SimpleHelp Path Traversal module (CVE-2024-57727) with setup, verification steps, and Linux/Windows scenarios, accompanied by updated module metadata and documentation. Robustness improvements to the vulnerable certificate tooling, including safe navigation for a missing key and expanded documentation for vulnerable templates ESC4, ESC13, and ESC15. Targeted dependency upgrades (rasn1 to 0.14.0 and rex-mime to 0.1.11) to incorporate bug fixes and security patches. Collectively, these efforts enhance usability, reduce configuration risk, and improve security posture via up-to-date components and clearer guidance.
5 Commits • 2 Features
Feb 1, 2025In February 2025, rapid7/metasploit-framework delivered three focused updates to strengthen exploit workflow, reliability, and maintainability. A new SimpleHelp Path Traversal module (CVE-2024-57727) with setup, verification steps, and Linux/Windows scenarios, accompanied by updated module metadata and documentation. Robustness improvements to the vulnerable certificate tooling, including safe navigation for a missing key and expanded documentation for vulnerable templates ESC4, ESC13, and ESC15. Targeted dependency upgrades (rasn1 to 0.14.0 and rex-mime to 0.1.11) to incorporate bug fixes and security patches. Collectively, these efforts enhance usability, reduce configuration risk, and improve security posture via up-to-date components and clearer guidance.
February 2025
January 2025
13 Commits • 5 Features
Jan 1, 2025January 2025: Delivered targeted documentation, module robustness improvements, vulnerability detection, payload handling refinements, and code quality improvements for rapid7/metasploit-framework. The changes enhance developer guidance, improve reliability of exploit modules, strengthen security posture, and reduce maintenance overhead, driving faster onboarding and more predictable outcomes for exploitation workflows.
January 2025
13 Commits • 5 Features
Jan 1, 2025January 2025: Delivered targeted documentation, module robustness improvements, vulnerability detection, payload handling refinements, and code quality improvements for rapid7/metasploit-framework. The changes enhance developer guidance, improve reliability of exploit modules, strengthen security posture, and reduce maintenance overhead, driving faster onboarding and more predictable outcomes for exploitation workflows.
December 2024
6 Commits • 2 Features
Dec 1, 2024December 2024 monthly summary for rapid7/metasploit-framework focusing on reliability, validation, and expansion of exploitation capabilities. Delivered critical bug fixes to validation and query handling, refactored authentication flow for improved reliability, and introduced new exploit modules to expand testing surface for CVEs.
6 Commits • 2 Features
Dec 1, 2024December 2024 monthly summary for rapid7/metasploit-framework focusing on reliability, validation, and expansion of exploitation capabilities. Delivered critical bug fixes to validation and query handling, refactored authentication flow for improved reliability, and introduced new exploit modules to expand testing surface for CVEs.
December 2024
November 2024
12 Commits • 3 Features
Nov 1, 2024November 2024 Monthly Summary – rapid7/metasploit-framework Overview: Delivered three high-impact exploit modules with robust validation, multi-target support, and comprehensive documentation, while simultaneously improving code quality and maintainability to support long-term security testing capabilities. Key features delivered: - KS.sys Windows Privilege Escalation Exploit (CVE-2024-35250): New Metasploit module for Windows KS.sys LPE with OS version and architecture detection to ensure compatibility across targeted Windows builds. - Core commits: 7a5bc60aab77ac43e5b18bd4d65040c57a70cbed; 5bc3e046eb12b110b0a841ebd248826fd677baf1; 10cd8d10205ebbc54c9ed2c9bbca2dde01197db8; 81b83f2fd6b274c44f584c281d8ad150713897c7 - Chamilo LMS Unrestricted File Upload Exploit (pre-v1.11.24): Exploit module enabling unrestricted PHP file upload (webshell) on Chamilo LMS before v1.11.24, with post-exploitation Meterpreter session as www-data. - Core commits: 3068511b66b59a1aefd8b8269008d5cac170eedf; 27459bb10f51f9344aadee47069cd643b4e2c655 - Pyload Remote Code Execution via js2py Sandbox Escape: New exploit for Pyload leveraging a js2py sandbox escape (CVE-2024-28397; CVE-2024-39205) with documentation, verification steps, and multiple targets; includes payload obfuscation and code-quality improvements. - Core commits: d2ef3cb6a9ff6fc0a2ede5e2b6b35d3a7fabf592; 497ce5e9da35f903b20bcb555d0ea0b87f5d7195; 2ba8a6c08d12184fbb42d499b369dace6918df77; 526451fed5df2b43b47d8abad52743f9f60276ef; 4e1f33336cab0785507a8930d54d9a74aa27d994; 92e42a63ea7badd6ab572c4256721e5d2e484be0 Major bugs fixed: - Addressed Windows Access Mode Mismatch LPE issue in ks.sys (CVE-2024-35250) to stabilize the LPE module across supported Windows versions. - Commit: 7a5bc60aab77ac43e5b18bd4d65040c57a70cbed - Code cleanup to reduce risk and improve maintainability (e.g., removing unnecessary code from exploit.cpp). - Commit: 10cd8d10205ebbc54c9ed2c9bbca2dde01197db8 - Ongoing quality improvements including linting, RuboCop compliance, and updates to Rex::RandomIdentifier; documentation updates to reflect new features and usage. - Commits across: 497ce5e9da35f903b20bcb555d0ea0b87f5d7195; 92e42a63ea7badd6ab572c4256721e5d2e484be0; 4e1f33336cab0785507a8930d54d9a74aa27d994 Overall impact and accomplishments: - Expanded exploit coverage for Windows LPE and web-facing applications, enabling more realistic, end-to-end testing of defense-in-depth controls. - Enabled security testers to verify protections against notable CVEs (CVE-2024-35250, CVE-2024-28397, CVE-2024-39205, CVE-2023-4220) with practical, multi-target workflows. - Improved code quality, documentation, and maintainability to shorten onboarding and reduce risk during future releases. Technologies and skills demonstrated: - Ruby, Metasploit framework internals, exploit development, and cross-platform targeting (Windows, Chamilo LMS, Pyload). - Security-focused code quality: linting, RuboCop, code obfuscation handling, and dependency hygiene (Gemfile tweaks). - Documentation and verification: comprehensive docs, verification steps, and multi-target validation. Business value: - Provides security teams and red teams with actionable, reproducible test modules for recent CVEs, improving organizational resilience and exposure assessment. - Reduces time-to-validation for defense measurements by delivering complete workflows, including pre/post-exploitation contexts where applicable.
November 2024
12 Commits • 3 Features
Nov 1, 2024November 2024 Monthly Summary – rapid7/metasploit-framework Overview: Delivered three high-impact exploit modules with robust validation, multi-target support, and comprehensive documentation, while simultaneously improving code quality and maintainability to support long-term security testing capabilities. Key features delivered: - KS.sys Windows Privilege Escalation Exploit (CVE-2024-35250): New Metasploit module for Windows KS.sys LPE with OS version and architecture detection to ensure compatibility across targeted Windows builds. - Core commits: 7a5bc60aab77ac43e5b18bd4d65040c57a70cbed; 5bc3e046eb12b110b0a841ebd248826fd677baf1; 10cd8d10205ebbc54c9ed2c9bbca2dde01197db8; 81b83f2fd6b274c44f584c281d8ad150713897c7 - Chamilo LMS Unrestricted File Upload Exploit (pre-v1.11.24): Exploit module enabling unrestricted PHP file upload (webshell) on Chamilo LMS before v1.11.24, with post-exploitation Meterpreter session as www-data. - Core commits: 3068511b66b59a1aefd8b8269008d5cac170eedf; 27459bb10f51f9344aadee47069cd643b4e2c655 - Pyload Remote Code Execution via js2py Sandbox Escape: New exploit for Pyload leveraging a js2py sandbox escape (CVE-2024-28397; CVE-2024-39205) with documentation, verification steps, and multiple targets; includes payload obfuscation and code-quality improvements. - Core commits: d2ef3cb6a9ff6fc0a2ede5e2b6b35d3a7fabf592; 497ce5e9da35f903b20bcb555d0ea0b87f5d7195; 2ba8a6c08d12184fbb42d499b369dace6918df77; 526451fed5df2b43b47d8abad52743f9f60276ef; 4e1f33336cab0785507a8930d54d9a74aa27d994; 92e42a63ea7badd6ab572c4256721e5d2e484be0 Major bugs fixed: - Addressed Windows Access Mode Mismatch LPE issue in ks.sys (CVE-2024-35250) to stabilize the LPE module across supported Windows versions. - Commit: 7a5bc60aab77ac43e5b18bd4d65040c57a70cbed - Code cleanup to reduce risk and improve maintainability (e.g., removing unnecessary code from exploit.cpp). - Commit: 10cd8d10205ebbc54c9ed2c9bbca2dde01197db8 - Ongoing quality improvements including linting, RuboCop compliance, and updates to Rex::RandomIdentifier; documentation updates to reflect new features and usage. - Commits across: 497ce5e9da35f903b20bcb555d0ea0b87f5d7195; 92e42a63ea7badd6ab572c4256721e5d2e484be0; 4e1f33336cab0785507a8930d54d9a74aa27d994 Overall impact and accomplishments: - Expanded exploit coverage for Windows LPE and web-facing applications, enabling more realistic, end-to-end testing of defense-in-depth controls. - Enabled security testers to verify protections against notable CVEs (CVE-2024-35250, CVE-2024-28397, CVE-2024-39205, CVE-2023-4220) with practical, multi-target workflows. - Improved code quality, documentation, and maintainability to shorten onboarding and reduce risk during future releases. Technologies and skills demonstrated: - Ruby, Metasploit framework internals, exploit development, and cross-platform targeting (Windows, Chamilo LMS, Pyload). - Security-focused code quality: linting, RuboCop, code obfuscation handling, and dependency hygiene (Gemfile tweaks). - Documentation and verification: comprehensive docs, verification steps, and multi-target validation. Business value: - Provides security teams and red teams with actionable, reproducible test modules for recent CVEs, improving organizational resilience and exposure assessment. - Reduces time-to-validation for defense measurements by delivering complete workflows, including pre/post-exploitation contexts where applicable.
October 2024
2 Commits • 1 Features
Oct 1, 2024October 2024: Maintained high standards of documentation and code readability in rapid7/metasploit-framework. Delivered non-functional maintainability improvements for the GiveWP Exploit Description and Internal Logic, focusing on consistent formatting and clearer flow. Two lint-driven commits were applied to standardize style and simplify nested conditionals, reducing future maintenance risk while preserving behavior.
2 Commits • 1 Features
Oct 1, 2024October 2024: Maintained high standards of documentation and code readability in rapid7/metasploit-framework. Delivered non-functional maintainability improvements for the GiveWP Exploit Description and Internal Logic, focusing on consistent formatting and clearer flow. Two lint-driven commits were applied to standardize style and simplify nested conditionals, reducing future maintenance risk while preserving behavior.
October 2024
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Quality Metrics
Correctness91.2%
Maintainability90.6%
Architecture87.6%
Performance85.2%
AI Usage21.8%
Skills & Technologies
Programming Languages
AssemblyCC++JavaScriptMarkdownPowerShellPythonRubyYAML
Technical Skills
AI integrationActive DirectoryActive Directory ExploitationC DevelopmentC++ DevelopmentCertificate Services (AD CS)Code CleanupCode ImprovementCode ObfuscationCode QualityCode RefactoringCode ReviewCode StyleCode Style EnforcementCommand Injection
Repositories Contributed To
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