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Vulnerability · Published Jun 11, 2026 · Assigned by GitLab

CVE-2026-6277Incorrect Authorization in GitLab

Medium 4.3

In plain English

A medium-severity incorrect authorization in GitLab from GitLab. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 12% of all known vulnerabilities).

Severity (CVSS 3.1)4.3Medium
Exploit odds (30 days)0.2%top 87.5% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

GitLab has remediated an issue in GitLab EE affecting all versions from 13.9 before 18.10.8, 18.11 before 18.11.5, and 19.0 before 19.0.2 that under certain conditions could have allowed an authenticated user with Security Manager-role permissions to manage project security configuration even when the relevant feature was in a disabled state, due to incorrect authorization enforcement.

Affected products (as reported)

VendorProductVersions
GitLab GitLab 13.9 – before 18.10.818.11 – before 18.11.519.0 – before 19.0.2

Weakness: CWE-863 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N

References