CVE-2026-1662

High

Description

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.

SeverityHigh
CVSS7.5
Exploit probability—
ProductGitlab
PublishedFeb 25, 2026
First seenFeb 25, 2026

How to fix

Update
  • gitlab gitlab18.7.5, 18.8.5 or later

Affected products

ProductAffected versionsFixed in
gitlab gitlab14.4.0 ≤ v < 18.7.5, 18.8.0 ≤ v < 18.8.5, 18.9.018.7.5, 18.8.5

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