UpHeron
All vulnerabilities

Servers and applications

CVE-2026-92883

GitLab has remediated an issue in GitLab CE/EE affecting all versions from 19.1 before 19.2.8, 19.3 before 19.3.5, and 19.4 before 19.4.2 that, under certain conditions, could have allowed an authenticated user to execute arbitrary JavaScript in the context of other users' browser sessions via a specially crafted repository, due to improper sanitization of HTML attributes in syntax-highlighted…

Severity
High 8.7
Published
13 Oct 2026
Last changed
14 Oct 2026
Added to UpHeron
21 Oct 2026
Fixed in
19.2.8, 19.3.5, 19.4.2
Sources
NVD

Affected software

SoftwareAffected versions
GitLabServers and applications · cpe:a:gitlab:gitlab
  • From 19.1.0 before 19.2.8
  • From 19.3.0 before 19.3.5
  • From 19.4.0 before 19.4.2

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2026-92883
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2026-92883