What is CVE-2026-1456?

CVE-2026-1456 is a medium-severity vulnerability in Gitlab, classified under Allocation of Resources Without Limits or Throttling. CVSS score: 6.5/10. Published 2026-02-11.

How severe is CVE-2026-1456?

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

Resource exhaustion in Gitlab

CVE-2026-1456

GitLab has remediated an issue in GitLab CE/EE affecting all versions from 18.7 before 18.7.4, and 18.8 before 18.8.4 that could have allowed an unauthenticated user to cause denial of service through CPU exhaustion by submitting specially…

EPSS: 0.004 (28.3th 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 18.7, 18.8

Weakness classification (CWE)

CWE-770 — Allocation of Resources Without Limits or Throttling

References

cve@gitlab.com (issue-tracking, permissions-required, Issue Tracking, Broken Link)
cve@gitlab.com (Permissions Required, technical-description, permissions-required, exploit)
cve@gitlab.com (Release Notes, Vendor Advisory)

Frequently asked questions

What is CVE-2026-1456?: CVE-2026-1456 is a medium-severity vulnerability in Gitlab, classified under Allocation of Resources Without Limits or Throttling. CVSS score: 6.5/10. Published 2026-02-11.
How severe is CVE-2026-1456?: Medium severity. CVSS v3 base score is 6.5 out of 10.