What is CVE-2026-9204?

CVE-2026-9204 is a medium-severity vulnerability in Gitlab, classified under Server-Side Request Forgery (SSRF). CVSS score: 5.3/10. Published 2026-06-11.

How severe is CVE-2026-9204?

Medium severity. CVSS v3 base score is 5.3 out of 10.

SSRF in Gitlab

CVE-2026-9204

GitLab has remediated an issue in GitLab CE/EE affecting all versions from 18.10 before 18.10.8, 18.11 before 18.11.5, and 19.0 before 19.0.2 that under certain conditions could have allowed an authenticated user to read arbitrary files fr…

Vulnerability class: SSRF (Server-Side Request Forgery)

EPSS: 0.002 (16.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N.

Affected products

Gitlab — versions 18.10, 18.11, 19.0

Weakness classification (CWE)

CWE-918 — Server-Side Request Forgery (SSRF)

References

cve@gitlab.com (Release Notes)
cve@gitlab.com (Issue Tracking)

Frequently asked questions

What is CVE-2026-9204?: CVE-2026-9204 is a medium-severity vulnerability in Gitlab, classified under Server-Side Request Forgery (SSRF). CVSS score: 5.3/10. Published 2026-06-11.
How severe is CVE-2026-9204?: Medium severity. CVSS v3 base score is 5.3 out of 10.