Vulnerability · Published Aug 13, 2025 · Assigned by GitLab

CVE-2025-8770Authorization Bypass Through User-Controlled Key in GitLab

Medium 6.5

In plain English

A medium-severity authorization bypass via user-controlled key 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 0.4% (higher than 32% of all known vulnerabilities).

Severity (CVSS 3.1)6.5Medium
Exploit odds (30 days)0.4%top 67.5% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

An issue has been discovered in GitLab EE affecting all versions from 18.0 prior to 18.0.6, 18.1 prior to 18.1.4, and 18.2 prior to 18.2.2 that could have allowed authenticated users with specific access to bypass merge request approval policies by manipulating approval rule identifiers.

Affected products (as reported)

VendorProductVersions
GitLab GitLab 18.0 – before 18.0.618.1 – before 18.1.418.2 – before 18.2.2

Weakness: CWE-639 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N

References