What is CVE-2025-5996?

CVE-2025-5996 is a medium-severity vulnerability in Gitlab, classified under Allocation of Resources Without Limits or Throttling. CVSS score: 6.5/10. Published 2025-06-12.

How severe is CVE-2025-5996?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Is CVE-2025-5996 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Resource exhaustion in Gitlab

CVE-2025-5996

An issue has been discovered in GitLab CE/EE affecting all versions from 2.1.0 before 17.10.8, 17.11 before 17.11.4, and 18.0 before 18.0.2. A lack of input validation in HTTP responses could allow an authenticated user to cause denial of…

EPSS: 0.006 (45.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.

Affected products

Gitlab — versions 2.10, 17.11, 18.0

Weakness classification (CWE)

CWE-770 — Allocation of Resources Without Limits or Throttling

Public proof-of-concept exploits

fkie-cad/nvd-json-data-feeds

References

cve@gitlab.com (issue-tracking, Exploit, permissions-required, Issue Tracking)
cve@gitlab.com (issue-tracking, permissions-required, Broken Link)
cve@gitlab.com (issue-tracking, Exploit, permissions-required, Issue Tracking)
cve@gitlab.com (issue-tracking, Exploit, permissions-required, Issue Tracking)
cve@gitlab.com (issue-tracking, permissions-required, Broken Link)

Frequently asked questions

What is CVE-2025-5996?: CVE-2025-5996 is a medium-severity vulnerability in Gitlab, classified under Allocation of Resources Without Limits or Throttling. CVSS score: 6.5/10. Published 2025-06-12.
How severe is CVE-2025-5996?: Medium severity. CVSS v3 base score is 6.5 out of 10.
Is CVE-2025-5996 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.