Resource exhaustion in Gitlab

CVE-2025-11447

GitLab has remediated an issue in GitLab CE/EE affecting all versions from 11.0 before 18.3.5, 18.4 before 18.4.3, and 18.5 before 18.5.1 that could have allowed an unauthenticated attacker to cause a denial of service condition by sending GraphQL requests with crafted JSON payloads.

EPSS: 0.008 (52.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

  • Gitlab — versions 11.0, 18.4, 18.5

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2025-11447?
CVE-2025-11447 is a high-severity vulnerability in Gitlab, classified under Allocation of Resources Without Limits or Throttling. CVSS score: 7.5/10. Published 2025-10-27.
How severe is CVE-2025-11447?
High severity. CVSS v3 base score is 7.5 out of 10.