6.1

CVE-2026-5262

Exploit

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.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Gitlab ≫ GitLab SwEdition community Version >= 16.1.0 < 18.9.6
Gitlab ≫ GitLab SwEdition enterprise Version >= 16.1.0 < 18.9.6
Gitlab ≫ GitLab SwEdition community Version >= 18.10.0 < 18.10.4
Gitlab ≫ GitLab SwEdition enterprise Version >= 18.10.0 < 18.10.4
Gitlab ≫ GitLab Version 18.11.0 SwEdition community
Gitlab ≫ GitLab Version 18.11.0 SwEdition enterprise
VulnDex Vulnerability Enrichment
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Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 0.22% 0.127
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
NIST 6.1 2.8 2.7
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
cve@gitlab.com 8 1.6 5.8
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:N
CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.

https://about.gitlab.com/releases/2026/04/22/patch-release-gitlab-18-11-1-released/
Vendor Advisory
Release Notes
https://gitlab.com/gitlab-org/gitlab/-/work_items/595332
Broken Link
https://hackerone.com/reports/3574642
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