Vulnerability · Published Apr 8, 2026 · Assigned by GitLab
CVE-2026-2619Incorrect 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 0.3% (higher than 27% of all known vulnerabilities).
Severity (CVSS 3.1)4.3Medium
Exploit odds (30 days)0.3%top 72.6% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
GitLab has remediated an issue in GitLab EE affecting all versions from 18.6 before 18.8.9, 18.9 before 18.9.5, and 18.10 before 18.10.3 that under certain circumstances could have allowed an authenticated user with auditor privileges to modify vulnerability flag data in private projects due to incorrect authorization.
Affected products (as reported)
Weakness: CWE-863 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
References
- HackerOne Bug Bounty Report #3554982 technical-description, exploit, permissions-required
- https://gitlab.com/gitlab-org/gitlab/-/work_items/590430
- https://about.gitlab.com/releases/2026/04/08/patch-release-gitlab-18-10-3-released/