Researchers Discover Critical GitHub CVE-2026-3854 RCE Flaw Exploitable via Single Git Push
Overview
Researchers have identified a serious security flaw in GitHub.com and GitHub Enterprise Server, designated CVE-2026-3854, which could enable an authenticated user to execute arbitrary code remotely with just a single 'git push' command. This command injection vulnerability has a CVSS score of 8.7, indicating its severity. If exploited, it could allow attackers with repository push access to take control over affected systems. This issue affects both individual developers and organizations using GitHub for version control, highlighting the need for immediate awareness and action. Users are advised to monitor their repositories closely and apply any recommended patches as they become available.
Key Takeaways
- Affected Systems: GitHub.com, GitHub Enterprise Server
- Action Required: Users should apply security patches provided by GitHub as soon as they are released.
- Timeline: Newly disclosed
Original Article Summary
Cybersecurity researchers have disclosed details of a critical security vulnerability impacting GitHub.com and GitHub Enterprise Server that could allow an authenticated user to obtain remote code execution with a single "git push" command. The flaw, tracked as CVE-2026-3854 (CVSS score: 8.7), is a case of command injection that could allow an attacker with push access to a repository to achieve
Impact
GitHub.com, GitHub Enterprise Server
Exploitation Status
The exploitation status is currently unknown. Monitor vendor advisories and security bulletins for updates.
Timeline
Newly disclosed
Remediation
Users should apply security patches provided by GitHub as soon as they are released. Monitoring repository access and permissions is also recommended to mitigate potential exploitation.
Additional Information
This threat intelligence is aggregated from trusted cybersecurity sources. For the most up-to-date information, technical details, and official vendor guidance, please refer to the original article linked below.
Related Topics: This incident relates to CVE, Vulnerability, RCE, and 1 more.
Multiple Sources: This threat is being reported by 2 different security sources, indicating significant concern within the cybersecurity community.