UpHeron
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Servers and applications

CVE-2026-3093

GitLab has remediated an issue in GitLab CE/EE affecting all versions from 14.0 before 19.0.5, 19.1 before 19.1.3, and 19.2 before 19.2.1 that under certain conditions could have allowed an attacker to execute arbitrary JavaScript in another user's browser via a crafted URL, due to improper sanitization of user-controlled input.

Severity
Medium 4.7
Published
29 Jul 2026
Last changed
3 Aug 2026
Added to UpHeron
21 Oct 2026
Fixed in
19.0.5, 19.1.3
Sources
NVD

Affected software

SoftwareAffected versions
GitLabServers and applications · cpe:a:gitlab:gitlab
  • From 14.0.0 before 19.0.5
  • From 19.1.0 before 19.1.3
  • Version 19.2.0

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2026-3093
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2026-3093