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, 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.

CVSS v3.1

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

EPSS

0.15% chance of exploitation in the next 30 days, 5th percentile

Published

2026-05-14

Proof-of-concept exploits (1)

• https://hackerone.com/reports/3590487

References

• CVE Record
• NVD entry

Related

• CVE-2026-45260
• CVE-2026-45270
• CVE-2026-45258
• CVE-2026-4528
• CVE-2026-45247
• CVE-2026-45287