AI and data stack advisories

Severe, 6 weeks1496Projects326

1496 severe, 6 weeks · 326 projects

GitLabCVE-2026-4879

GitLab: missing authorization

GitLab

CVE-2026-4879 · Published Aug 12, 2026 · updated Aug 19, 2026

Medium4.3
Fix: upgrade to 19.0.6 or later (3 fixed versions below)
GitLab advisory

GitLab has remediated an issue in GitLab EE affecting all versions from 16.0 before 19.0.6, 19.1 before 19.1.4, and 19.2 before 19.2.2 that under certain conditions could have allowed an authenticated user with developer-role permissions to view external status check configuration restricted to higher-privileged roles due to missing authorization on a merge request API endpoint.

Affected versions

PackageAffectedFixed in
GitLab
Product
>= 16.0, < 19.0.619.0.6
>= 19.1, < 19.1.419.1.4
>= 19.2, < 19.2.219.2.2
Details and references
CVSS 3.1
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
Severity from
the vendor (its own CVE record or advisory)
Weakness
CWE-862

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