PatchSiren

PatchSiren cyber security CVE debrief

CVE-2026-6267 GitLab CVE debrief

GitLab has remediated an issue in GitLab CE/EE affecting all versions from 10.1.0 before 19.0.5, 19.1 before 19.1.3, and 19.2 before 19.2.1 that under certain conditions could have allowed an authenticated user with Developer role to access unauthorized information due to insufficient access controls on internal request handling. This issue has a high severity with a CVSS score of 8.5. The vulnerability was published on 2026-07-29T20:17:13.123Z and has not been modified since then. Affected users should prioritize patching vulnerable versions to prevent potential unauthorized information access.

Vendor
GitLab
Product
Unknown
CVSS
HIGH 8.5
CISA KEV
Not listed in stored evidence
Original CVE published
2026-07-29
Original CVE updated
2026-07-31
Advisory published
2026-07-29
Advisory updated
2026-07-31

Who should care

GitLab CE/EE administrators and users, security teams, and developers using GitLab for development should be aware of this vulnerability. They should prioritize patching vulnerable versions to prevent potential unauthorized information access. Additionally, they should review compensating controls for exposed systems while remediation is scheduled and verified, and check relevant monitoring, detection, and logs for exposed assets that need extra review. Asset inventory and vulnerability management teams should also be informed to ensure proper tracking and remediation of affected systems. Security teams should review the official advisory and CVE record to validate affected scope, severity, and vendor guidance, and plan vendor-supported updates or mitigations through normal change control where exposure is confirmed. They should also track exceptions, retest remediated assets, and close the item only after evidence is documented. This requires coordination with operators and platform teams to ensure that affected systems are properly identified and remediated. Furthermore, developers should be aware of the potential impact on their applications and take necessary steps to mitigate the vulnerability. Overall, a coordinated effort is needed to address this vulnerability and prevent potential security breaches. The issue has a high severity with a CVSS score of 8.5, emphasizing the need for prompt action. By taking these steps, organizations can minimize the risk of unauthorized information access and maintain the security of their systems. It is essential to review and update affected versions, monitor for suspicious activity, and verify the integrity of systems to prevent potential security breaches. Security teams should also consider implementing compensating controls for exposed systems while remediation is scheduled and verified. This may include additional monitoring, detection, and logging to identify potential security incidents. By prioritizing patching vulnerable versions and implementing compensating controls, organizations can reduce the risk of unauthorized information access and maintain the security of their systems. The CVE record indicates that an

Technical summary

The CVE-2026-6267 vulnerability affects GitLab CE/EE versions from 10.1.0 before 19.0.5, 19.1 before 19.1.3, and 19.2 before 19.2.1. An authenticated user with Developer role could potentially access unauthorized information due to insufficient access controls on internal request handling. The CVSS score is 8.5, indicating a high severity vulnerability. This issue was published on 2026-07-29T20:17:13.123Z and has not been modified since then. GitLab users should review and update affected versions, monitor for suspicious activity, and verify the integrity of their systems.

Defensive priority

GitLab users should prioritize patching vulnerable versions to prevent potential unauthorized information access.

Recommended defensive actions

  • Patch GitLab CE/EE to version 19.0.5 or later
  • Patch GitLab CE/EE to version 19.1.3 or later
  • Patch GitLab CE/EE to version 19.2.1 or later
  • Verify and update affected versions
  • Monitor for suspicious activity

Evidence notes

The CVE record indicates that GitLab CE/EE versions from 10.1.0 before 19.0.5, 19.1 before 19.1.3, and 19.2 before 19.2.1 are affected by an issue that could allow an authenticated user with Developer role to access unauthorized information. However, details are limited, and further verification is needed to fully understand the vulnerability.

Official resources

AI-assisted PatchSiren debrief based on the supplied source corpus. The CVE record was published on 2026-07-29T20:17:13.123Z and has not been modified since then.