UpHeron
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Servers and applications

CVE-2026-13320

GitLab has remediated an issue in GitLab CE/EE affecting all versions from 15.7 before 18.11.7, 19.0 before 19.0.4, and 19.1 before 19.1.2 that under certain conditions could have allowed an authenticated user to execute arbitrary scripts in another user's browser session due to improper sanitization of user-supplied input.

Severity
Medium 5.4
Published
8 Jul 2026
Last changed
9 Jul 2026
Added to UpHeron
21 Oct 2026
Fixed in
18.11.7, 19.0.4, 19.1.2
Sources
NVD

Affected software

SoftwareAffected versions
GitLabServers and applications · cpe:a:gitlab:gitlab
  • From 15.7.0 before 18.11.7
  • From 19.0.0 before 19.0.4
  • From 19.1.0 before 19.1.2

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2026-13320
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2026-13320