CVE-2026-92883

Published: Oct 13, 2026Modified: Oct 14, 2026

8.7

Vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N

Exploitability: 2.3 / Impact: 5.8

Source: cve@gitlab.com (Secondary)

Description

GitLab has remediated an issue in GitLab CE/EE affecting all versions from 19.1 before 19.2.8, 19.3 before 19.3.5, and 19.4 before 19.4.2 that, under certain conditions, could have allowed an authenticated user to execute arbitrary JavaScript in the context of other users' browser sessions via a specially crafted repository, due to improper sanitization of HTML attributes in syntax-highlighted output.

Affected (6)

Products: Gitlab: Gitlab

Gitlab

1 product

Gitlab

Configuration A

6 vulnerable

Vulnerable Software	Affected Versions
Gitlab Gitlab	19.1.0 ≤ version < 19.2.8
Gitlab Gitlab	19.3.0 ≤ version < 19.3.5
Gitlab Gitlab	19.4.0 ≤ version < 19.4.2
Gitlab Gitlab	19.1.0 ≤ version < 19.2.8
Gitlab Gitlab	19.3.0 ≤ version < 19.3.5
Gitlab Gitlab	19.4.0 ≤ version < 19.4.2

Related CWEs

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.

References (3)

https://docs.gitlab.com/releases/patches/patch-release-gitlab-19-4-2-released/

Source: cve@gitlab.com

Release NotesVendor Advisory

https://gitlab.com/gitlab-org/gitlab/-/work_items/629523

Source: cve@gitlab.com

Issue Tracking

https://hackerone.com/reports/3936831

Source: cve@gitlab.com

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Timeline

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