CVE-2026-78252

GitLab has remediated an issue in GitLab CE/EE affecting all versions from 15.3 before 19.1.8, 19.2 before 19.2.6, and 19.3 before 19.3.2 that, under certain conditions, an authenticated user could have induced a targeted user to perform unintended state-changing HTTP requests due to improper sanitization of user-controlled data in the Markdown JSON table renderer.
Configurations

Configuration 1 (hide)

OR cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:*
cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:*
cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:*
cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:*
cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:*
cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:*

History

28 Sep 2026, 13:26

Type Values Removed Values Added
First Time Gitlab
Gitlab gitlab
CPE cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:*
cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:*
References () https://docs.gitlab.com/releases/patches/patch-release-gitlab-19-3-2-released/ - () https://docs.gitlab.com/releases/patches/patch-release-gitlab-19-3-2-released/ - Release Notes, Vendor Advisory
References () https://gitlab.com/gitlab-org/gitlab/-/work_items/621447 - () https://gitlab.com/gitlab-org/gitlab/-/work_items/621447 - Issue Tracking
References () https://hackerone.com/reports/3917471 - () https://hackerone.com/reports/3917471 - Permissions Required

Information

Published : 2026-09-16 07:16

Updated : 2026-09-28 13:26


NVD link : CVE-2026-78252

Mitre link : CVE-2026-78252

CVE.ORG link : CVE-2026-78252


JSON object : View

Products Affected

gitlab

  • gitlab
CWE
CWE-79

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