CVE-2026-92883

HIGHCVSS 8.7

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.

Timeline

Published:October 13th, 2026 2:17 AM

Last modified:October 14th, 2026 8:18 PM

CVSS Scoring

CVSS v3: 8.7 (HIGH)

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

Affected Software

From NVD CPE configuration data

Vendors

gitlab

Products

gitlab

Weaknesses (CWE)

CWE-79

References & Reports

Advisories, patches, and third-party reports

https://docs.gitlab.com/releases/patches/patch-release-gitlab-19-4-2-released/Release Notes
https://gitlab.com/gitlab-org/gitlab/-/work_items/629523Issue Tracking
https://hackerone.com/reports/3936831Permissions Required

Source: NIST NVD · Data may lag official sources by up to one minute