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Fencer Vulns
high 8.5

CVE-2025-5121 in the critical feed json

Missing Authorization in GitLab

published 2025-06-20 16 mo ago modified 2026-06-17 4 mo ago also BIT-gitlab-2025-5121 , EUVD-2025-28396

cvss
8.5
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
12.4%
EPSS 12.4% chance of exploitation in 30 days, percentile 96%
public exploits
0
none known

Summary

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.

Patch / fix

  • bitnami gitlab 18.0.2
  • GitLab GitLab 17.11.4, 18.0.2

CISA SSVC

Exploitation
none
Automatable
no
Technical impact
total
Assessed
16 mo ago

Exploit prediction

12.44% chance of exploitation in the next 30 days, higher than 96% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • hackerone.com https://hackerone.com/reports/3153908 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
CNA 3.1 8.5 CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H
NVD 3.1 9.9 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
OSV 3.1 9.9 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

Affected packages

ecosystem package affected fixed in
bitnami gitlab
>=17.11.0, <18.0.2
18.0.2

Affected products

  • GitLab GitLab

Classification

Weakness
Technology feeds

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

CPEs and fixed versions use Anchore's correction of NVD's data: Added CPE configurations because not yet analyzed by NVD.