Vulnerability in Gitlab

CVE-2026-0602

GitLab has remediated an issue in GitLab CE/EE affecting all versions from 15.6 before 18.7.6, 18.8 before 18.8.6, and 18.9 before 18.9.2 that could have allowed an authenticated user to disclose metadata from private issues, merge requests, epics, milestones, or commits due to improper filtering in the snippet rendering process under certain circumstances.

EPSS: 0.002 (15.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N.

Affected products

  • Gitlab — versions 15.6, 18.8, 18.9

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-0602?
CVE-2026-0602 is a medium-severity vulnerability in Gitlab, classified under Authentication Bypass Using an Alternate Path or Channel. CVSS score: 4.3/10. Published 2026-03-11.
How severe is CVE-2026-0602?
Medium severity. CVSS v3 base score is 4.3 out of 10.