What is CVE-2026-1516?

CVE-2026-1516 is a medium-severity vulnerability in Gitlab, classified under Code Injection. CVSS score: 5.7/10. Published 2026-04-08.

How severe is CVE-2026-1516?

Medium severity. CVSS v3 base score is 5.7 out of 10.

RCE in Gitlab

CVE-2026-1516

GitLab has remediated an issue in GitLab EE affecting all versions from 18.0.0 before 18.8.9, 18.9 before 18.9.5, and 18.10 before 18.10.3 that in Code Quality reports could have allowed an authenticated user to leak IP addresses of users viewing the report via specially crafted content.

Vulnerability class: RCE (Remote Code Execution)

EPSS: 0.004 (35.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.7 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:N/A:N.

Affected products

Gitlab — versions 18.0.0, 18.9, 18.10

Weakness classification (CWE)

CWE-94 — Code Injection

References

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

Frequently asked questions

What is CVE-2026-1516?: CVE-2026-1516 is a medium-severity vulnerability in Gitlab, classified under Code Injection. CVSS score: 5.7/10. Published 2026-04-08.
How severe is CVE-2026-1516?: Medium severity. CVSS v3 base score is 5.7 out of 10.