What is CVE-2026-3160?

CVE-2026-3160 is a medium-severity vulnerability in Gitlab, classified under Unintended Proxy or Intermediary (Confused Deputy). CVSS score: 5.8/10. Published 2026-05-14.

How severe is CVE-2026-3160?

Medium severity. CVSS v3 base score is 5.8 out of 10.

Vulnerability in Gitlab

CVE-2026-3160

GitLab has remediated an issue in GitLab CE/EE affecting all versions from 13.7 before 18.9.7, 18.10 before 18.10.6, and 18.11 before 18.11.3 that could have allowed an authenticated user to view Jira issues outside the configured project…

EPSS: 0.000 (5.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.8 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:N/A:N.

Affected products

Gitlab — versions 13.7, 18.10, 18.11

Weakness classification (CWE)

CWE-441 — Unintended Proxy or Intermediary (Confused Deputy)

References

cve@gitlab.com (Permissions Required, technical-description, permissions-required, exploit)
cve@gitlab.com (Not Applicable)
cve@gitlab.com (Release Notes)

Frequently asked questions

What is CVE-2026-3160?: CVE-2026-3160 is a medium-severity vulnerability in Gitlab, classified under Unintended Proxy or Intermediary (Confused Deputy). CVSS score: 5.8/10. Published 2026-05-14.
How severe is CVE-2026-3160?: Medium severity. CVSS v3 base score is 5.8 out of 10.