rapid7/metasploit-framework
Oct 2024 – Oct 2025
12 Months active
Languages Used
RubyAssemblyCC++JavaScriptMarkdownYAMLPython
Technical Skills
Code RefactoringExploit DevelopmentRuby DevelopmentC DevelopmentC++ DevelopmentCode Obfuscation
Jack Heysel
PROFILE
Jack Heysel
Jack Heysel contributed to the rapid7/metasploit-framework repository, focusing on enhancing the reliability, maintainability, and clarity of exploit modules and documentation. Over eight months, Jack delivered features and fixes that improved vulnerability detection accuracy, hardened modules against edge-case failures, and clarified technical documentation for both users and contributors. His work included refactoring Ruby code for safer error handling, updating authentication logic, and streamlining file IO operations. He also improved Markdown-based documentation to support onboarding and precise vulnerability guidance. By applying skills in Ruby, vulnerability research, and technical writing, Jack consistently addressed both operational robustness and usability within a complex security codebase.
Overall Statistics
Feature vs Bugs
73%Features
Repository Contributions
87Total
Bugs
11
Commits
87
Features
29
Lines of code
8,144
Activity Months12
Your Network
124 people
Work History
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.
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.
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
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.
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.
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.
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
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.
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.
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.
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
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.
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.
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.
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
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.
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.
Activity
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Quality Metrics
Correctness90.2%
Maintainability90.4%
Architecture85.4%
Performance82.6%
AI Usage20.0%
Skills & Technologies
Programming Languages
AssemblyCC++JavaScriptMarkdownPowerShellPythonRubyYAML
Technical Skills
Active DirectoryActive Directory ExploitationC DevelopmentC++ DevelopmentCertificate Services (AD CS)Code CleanupCode ImprovementCode ObfuscationCode QualityCode RefactoringCode ReviewCode StyleCode Style EnforcementCredential HarvestingDependency Management
Repositories Contributed To
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