---
id: CVE-2026-92883
title: >-
  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 Java…
summary: >-
  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 Java…
severity: high
cvss: 8.7
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N'
cwe:
  - CWE-79
published: '2026-10-13'
updated: '2026-10-13'
sourceUpdated: '2026-10-13T02:17:00.570'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-92883'
references:
  - url: >-
      https://docs.gitlab.com/releases/patches/patch-release-gitlab-19-4-2-released/
    label: cve@gitlab.com
  - url: 'https://gitlab.com/gitlab-org/gitlab/-/work_items/629523'
    label: cve@gitlab.com
  - url: 'https://hackerone.com/reports/3936831'
    label: cve@gitlab.com
tags:
  - nvd
ingestedAt: '2026-10-13T03:13:18.999Z'
---

## Overview

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.

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.