CVE-2026-1662

GitLab has remediated an issue in GitLab CE/EE affecting all versions from 14.4 before 18.7.5, 18.8 before 18.8.5, and 18.9 before 18.9.1 that could have allowed an unauthenticated user to cause Denial of Service by sending specially crafted requests to the Jira events endpoint.

CVSS v3.1

7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

EPSS

0.36% chance of exploitation in the next 30 days, 29th percentile

Published

2026-02-25

Updated

2026-02-26

Proof-of-concept exploits (1)

• https://hackerone.com/reports/3519694

References

• CVE Record
• NVD entry

Related

• CVE-2026-16619
• CVE-2026-16620
• CVE-2026-16618
• CVE-2026-16621
• CVE-2026-16617
• CVE-2026-16623