UpHeron
All vulnerabilities

Servers and applications

CVE-2026-1659

GitLab has remediated an issue in GitLab CE/EE affecting all versions from 9.0 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 cause denial of service by sending specially crafted requests due to insufficient input validation.

Severity
High 7.5
Published
14 May 2026
Last changed
17 Jun 2026
Added to UpHeron
21 Oct 2026
Fixed in
18.9.7, 18.10.6, 18.11.3
Sources
NVD

Affected software

SoftwareAffected versions
GitLabServers and applications · cpe:a:gitlab:gitlab
  • From 9.0.0 before 18.9.7
  • From 18.10.0 before 18.10.6
  • From 18.11.0 before 18.11.3

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2026-1659
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2026-1659