What’s Vulnerable › Vulnerabilities

CVE-2026-1516: Improper Control of Generation of Code ('Code Injection') in GitLab

• Severity: medium (CVSS 5.7 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.4% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-04-08 · updated 2026-07-25
• Weakness: CWE-94

Description

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 products

• GitLab: from 18.0.0 before 18.8.9; from 18.9.0 before 18.9.5; from 18.10.0 before 18.10.3 — fixed in 18.10.3, 18.8.9, 18.9.5

How to fix

Upgrade to a fixed version: GitLab 18.10.3, 18.8.9, 18.9.5. Check the vendor advisory for mitigations.

References

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

Get alerted when CVE-2026-1516 or the next vulnerability affects your stack