Vulnerability · Published Oct 27, 2025 · Assigned by GitLab
CVE-2025-6601Business Logic Errors in GitLab
Low 2.7
In plain English
A low-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 25% of all known vulnerabilities).
Severity (CVSS 3.1)2.7Low
Exploit odds (30 days)0.3%top 74.9% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
GitLab has remediated an issue in GitLab EE affecting all versions from 18.4 before 18.4.3, and 18.5 before 18.5.1 that under certain conditions could have allowed authenticated users to gain unauthorized project access by exploiting the access request approval workflow.
Affected products (as reported)
Weakness: CWE-840 · Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:N
References
- https://about.gitlab.com/releases/2025/10/22/patch-release-gitlab-18-5-1-released/
- GitLab Issue #551267 issue-tracking, permissions-required
- HackerOne Bug Bounty Report #3209641 technical-description, exploit, permissions-required