CVE-2026-1660

Description

GitLab has remediated an issue in GitLab CE/EE affecting all versions from 12.3 before 18.9.6, 18.10 before 18.10.4, and 18.11 before 18.11.1 that under certain conditions could have allowed an authenticated user to cause denial of service when importing issues due to improper input validation.

CVSS Vector

References

• https://about.gitlab.com/releases/2026/04/22/patch-release-gitlab-18-11-1-released/
• https://gitlab.com/gitlab-org/gitlab/-/work_items/588200
• https://hackerone.com/reports/3518743