CVE-2026-1516

Improper Control of Generation of Code ('Code Injection') in GitLab

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.

Affected

GitLab

CVSS v3.1 GITLAB

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

EPSS

0.43% chance of exploitation in the next 30 days, 36th percentile

Published

2026-04-08

Updated

2026-04-09

Proof-of-concept exploits (1)

• https://hackerone.com/reports/3514461

Security advisories

• https://about.gitlab.com/releases/2026/04/08/patch-release-gitlab-18-10-3-released

References

• CVE Record
• NVD entry