CVE-2026-103515

Incorrect Authorization in GitLab

State: Published
Severity: 2.7 Low
Published: Oct 21, 2026
Updated: Oct 30, 2026
Reserved: Sep 30, 2026

Description

GitLab has remediated an issue in GitLab EE affecting all versions from 19.2 before 19.3.6, 19.4 before 19.4.3, and 19.5 before 19.5.1 that, when an instance administrator locked a group's Duo availability, an authenticated user with group Owner permissions could have re-enabled AI-backed data egress to a third-party service for that group and its descendant projects, due to insufficient granularity of the admin-lock enforcement controls.

Scores

CVSS	Score	Vector	Source
3.1	2.7 Low	CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:N	GitLab

Weaknesses

CWE-863 Incorrect Authorization

Affected Products

Product	Versions
GitLabGitLab	19.2 to before 19.3.6Affected 19.4 to before 19.4.3Affected 19.5 to before 19.5.1Affected

References

https://gitlab.com/gitlab-org/gitlab/-/work_items/631564
HackerOne Bug Bounty Report #3871692technical-descriptionexploitpermissions-required
https://docs.gitlab.com/releases/patches/patch-release-gitlab-19-5-1-released/

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