Vulnerability in GitLab

CVE-2025-5819

An issue has been discovered in GitLab CE/EE affecting all versions from 15.7 before 18.0.6, 18.1 before 18.1.4, and 18.2 before 18.2.2 that could have allowed authenticated users with developer access to obtain ID tokens for protected branches under certain circumstances.

Published · last modified .

CVSS v3 metric

CVSS v3 base score 5.0 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:L/A:N.

EPSS exploit prediction

EPSS: 0.003 (17.2th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 17th percentile — 17.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2025-5819: held from 0.002 to 0.003.

EPSS over last 30 days · oldest: 0.002 · newest: 0.003 · change: +0.000

Affected products

  • GitLab — versions 15.7, 18.1, 18.2

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2025-5819?
CVE-2025-5819 is a medium-severity vulnerability in GitLab, classified under Incorrect Permission Assignment for Critical Resource. CVSS score: 5.0/10. Published 2025-08-13.
How severe is CVE-2025-5819?
Medium severity. CVSS v3 base score is 5.0 out of 10.
Is CVE-2025-5819 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.