Findings

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

Published Feb 25, 2026 · updated Jun 17, 2026 · gitlab gitlab

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.

Code

The project this record applies to. Exploit listings stay in References.

Timeline

Detection, updates, and resolution for this record.

  1. Feb 25, 2026 · GitLab Security Releases

    Detected

    On February 25, 2026, we released versions 18.9.1, 18.8.5, 18.7.5 for GitLab Community Edition (CE) and Enterprise Edition (EE). These versions contain important bug and security fixes, and we strongly recommend that all self-managed GitLab installations be upgraded to one of these versions immediately. GitLab.com is already running the patched version. GitLab Dedicated customers do not need to ta

  2. Jun 17, 2026 · NIST NVD

    Updated

    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.

Affected

  • cpe gitlab/gitlabversion unspecified
  • cpe gitlab/gitlab18.9.0

Sources

  • CVE.orgVulnerability recordCVE-2026-1662

    Official CVE identifier

    cve.org
  • GitLab Security ReleasesVendor advisoryCVE-2026-1662

    On February 25, 2026, we released versions 18.9.1, 18.8.5, 18.7.5 for GitLab Community Edition (CE) and Enterprise Edition (EE). These versions contain important bug and security fixes, and we strongly recommend that all self-managed GitLab installations be upgraded to one of the

    docs.gitlab.com
  • NIST NVDVulnerability recordCVE-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.

    nvd.nist.gov

References