CVE-2026-1516

MEDIUM severity · CVSS 5.7 · Code injection

5.7CVSS MEDIUM

Summary

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.

Impact & exploitability

Attack vectorNetwork

Attack complexityLow

Privileges requiredLow

User interactionRequired

Confidentiality impactHigh

Integrity impactNone

Availability impactNone

Exploit probability (EPSS)0%

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:N/A:N

Affected products we track (1)

GitLab

Recommendation

Apply the vendor fix in your normal patch cycle. Open any affected product above for its exact safe version.

Additional information

NVD record
https://about.gitlab.com/releases/2026/04/08/patch-release-gitlab-18-10-3-released/Advisory
https://gitlab.com/gitlab-org/gitlab/-/work_items/587893
https://hackerone.com/reports/3514461