CVE-2026-5262

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') 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 16.1.0 before 18.9.6, 18.10 before 18.10.4, and 18.11 before 18.11.1 that under certain conditions could have allowed an unauthenticated user to access tokens in the Storybook development environment due to improper input validation.

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

Affected packages

Bitnami gitlab

[{"type":"SEMVER","events":[{"introduced":"16.1.0"},{"fixed":"18.9.6"},{"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