Vulnerability · Published Sep 16, 2026 · Assigned by GitLab
CVE-2026-8030Missing Authorization in GitLab
Medium 4.3
In plain English
A medium-severity missing 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 0.5% (higher than 43% of all known vulnerabilities).
Severity (CVSS 3.1)4.3Medium
Exploit odds (30 days)0.5%top 56.6% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
GitLab has remediated an issue in GitLab CE/EE affecting all versions from 13.0 before 19.1.8, 19.2 before 19.2.6, and 19.3 before 19.3.2 that under certain conditions could have allowed an authenticated user to prevent another user from modifying their group settings due to improper validation of group URL slugs during namespace transfers.
Affected products (as reported)
Weakness: CWE-862 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
References
- https://gitlab.com/gitlab-org/gitlab/-/work_items/599240
- HackerOne Bug Bounty Report #3689558 technical-description, exploit, permissions-required
- https://docs.gitlab.com/releases/patches/patch-release-gitlab-19-3-2-released/