GitLab Virtual Registry Credential Escalation 18.218.11.1
CVE-2026-6515 Published on April 22, 2026
Insufficient Session Expiration in GitLab
GitLab has remediated an issue in GitLab CE/EE affecting all versions from 18.2 before 18.9.6, 18.10 before 18.10.4, and 18.11 before 18.11.1 that could have allowed a user to use invalidated or incorrectly scoped credentials to access Virtual Registries under certain conditions.
Vulnerability Analysis
CVE-2026-6515 can be exploited with network access, and requires small amount of user privileges. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to have a small impact on confidentiality and integrity, and no impact on availability.
Weakness Type
Insufficient Session Expiration
According to WASC, "Insufficient Session Expiration is when a web site permits an attacker to reuse old session credentials or session IDs for authorization."
Products Associated with CVE-2026-6515
Want to know whenever a new CVE is published for GitLab? stack.watch will email you.
Affected Versions
GitLab:- Version 18.2 and below 18.9.6 is affected.
- Version 18.10 and below 18.10.4 is affected.
- Version 18.11 and below 18.11.1 is affected.