Ghostwire

CVE-2026-4527: GitLab has remediated an issue in GitLab CE/EE affecting all versions from 11.10 before 18.9.7, 18.10 before 18.10.6,...

MEDIUM CVSS 6.5 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 11.10 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 create unauthorized Jira subscriptions for a targeted user's namespace via a specially crafted link due to missing CSRF protection.

Ghostwire Analysis — What This Means Practically

Medium CVSS score indicates moderate risk — exploitation requires specific conditions or results in limited impact.
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/594339
hackerone.com/reports/3590487
www.tenable.com/cve/CVE-2026-4527
www.cnnvd.org.cn/home/globalSearch?keyword=CVE-2026-4527