Ghostwire

CVE-2026-1659: GitLab has remediated an issue in GitLab CE/EE affecting all versions from 9.0 before 18.9.7, 18.10 before 18.10.6, and...

HIGH CVSS 7.5 Exploit Available

Published: May 14, 2026 | Last Modified: May 14, 2026

Description

GitLab has remediated an issue in GitLab CE/EE affecting all versions from 9.0 before 18.9.7, 18.10 before 18.10.6, and 18.11 before 18.11.3 that could have allowed an unauthenticated user to cause denial of service by sending specially crafted requests due to insufficient input validation.

Ghostwire Analysis — What This Means Practically

High CVSS score indicates significant risk — exploitation could lead to substantial data exposure or system compromise.
Exploit code is reported to be available, increasing the likelihood of active exploitation.

This analysis is generated by Ghostwire from NVD, CISA KEV, EPSS, and open-source intelligence data. Verify findings through primary sources before acting.

References

about.gitlab.com/releases/2026/05/13/patch-release-gitlab-18-11-3-released/
gitlab.com/gitlab-org/gitlab/-/work_items/588201
hackerone.com/reports/3519824
www.tenable.com/cve/CVE-2026-1659
www.cnnvd.org.cn/home/globalSearch?keyword=CVE-2026-1659