CVE-2026-5816

Improper Resolution of Path Equivalence in GitLab

Summary

Original description

The description as published by the source.

GitLab has remediated an issue in GitLab CE/EE affecting all versions from 18.10 before 18.10.4 and 18.11 before 18.11.1 that could have allowed an unauthenticated user to execute arbitrary JavaScript in a user's browser session due to improper path validation under certain conditions.

Source: OSV.dev (Open Source Vulnerabilities) NVD OSV

Affected packages

Bitnami gitlab

[{"type":"SEMVER","events":[{"introduced":"18.10.0"},{"fixed":"18.10.4"},{"introduced":"18.11.0"},{"fixed":"18.11.1"}]}]

References

advisory about.gitlab.com
web gitlab.com
web hackerone.com
web nvd.nist.gov