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UK Cyber Defence
VulnerabilityAnalyzed

CVE-2025-5121

A missing authorization check may have allowed compliance frameworks to be applied to projects outside the compliance framework's group.

CRITICAL 9.9EPSS 12.4%

Does this matter?

EPSS puts the probability of exploitation in the next 30 days at 12.4%, higher than 96% of all known CVEs. Patch or mitigate before the next change window.

Description

An issue has been discovered in GitLab CE/EE affecting all versions from 17.11 before 17.11.4 and 18.0 before 18.0.2. A missing authorization check may have allowed compliance frameworks to be applied to projects outside the compliance framework's group.

CVSS 3.1
9.9 CRITICALCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
EPSS
12.44% probability · 96th percentile
Public exploits
None in Exploit-DB
CISA KEV
Not listed
Weakness
CWE-862
Affected
gitlab/gitlab
Source
cve@gitlab.com
EPSS trend
0%8%15%21 September 2026: 12.44%1 November 2026: 12.44%21 September 20261 November 2026

EPSS moved from 12.4% on 21 September 2026 to 12.4% on 1 November 2026. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”.

Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.