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HIGHCVE-2026-5262Published Modified CNA GitLab

CVE-2026-5262: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') in GitLab

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.

Metrics

CVSS v3.1
8.0
Severity
HIGH
Fixed in
18.9.6
Affected Products
1

Fix available

18.9.618.10.418.11.1
Affected packages
  • GitLab / GitLab
    < 18.9.6 (from 16.1.0) · < 18.10.4 (from 18.10) · < 18.11.1 (from 18.11)
CVSS Vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:N