8.7

CVE-2026-8589

Exploit

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

GitLab has remediated an issue in GitLab EE affecting all versions from 13.1.4 before 18.10.8, 18.11 before 18.11.5, and 19.0 before 19.0.2 that under certain conditions could have allowed an authenticated user to add unauthorized email addresses to a targeted user's account due to improper sanitization of user-supplied input in certain group setting fields.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Gitlab ≫ GitLab SwEditioncommunity Version >= 13.1.4 < 18.10.8
Gitlab ≫ GitLab SwEditionenterprise Version >= 13.1.4 < 18.10.8
Gitlab ≫ GitLab SwEditioncommunity Version >= 18.11.0 < 18.11.5
Gitlab ≫ GitLab SwEditionenterprise Version >= 18.11.0 < 18.11.5
Gitlab ≫ GitLab SwEditioncommunity Version >= 19.0.0 < 19.0.2
Gitlab ≫ GitLab SwEditionenterprise Version >= 19.0.0 < 19.0.2
VulnDex Vulnerability Enrichment
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Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 0.26% 0.167
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
nvd@nist.gov 8.7 2.3 5.8
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N
cve@gitlab.com 7.3 1 5.8
CVSS:3.1/AV:N/AC:H/PR:H/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/2026/06/10/patch-release-gitlab-19-0-2-released/
Release Notes
https://gitlab.com/gitlab-org/gitlab/-/work_items/600099
Issue Tracking
https://hackerone.com/reports/3722842
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