Vulnerability · Published May 14, 2026 · Assigned by GitLab
CVE-2026-1322Business Logic Errors in GitLab
Medium 6.8
In plain English
A medium-severity security flaw 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 24% of all known vulnerabilities).
Severity (CVSS 3.1)6.8Medium
Exploit odds (30 days)0.3%top 75.9% 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 16.0 before 18.9.7, 18.10 before 18.10.6, and 18.11 before 18.11.3 that could have allowed an authenticated user with a read_api scoped OAuth application to create issues and add comments to issues in private projects due to improper authorization.
Affected products (as reported)
Weakness: CWE-840 · Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N
References
- HackerOne Bug Bounty Report #3508895 technical-description, exploit, permissions-required
- https://gitlab.com/gitlab-org/gitlab/-/work_items/587270
- https://about.gitlab.com/releases/2026/05/13/patch-release-gitlab-18-11-3-released/