CVE-2026-78252

Published: Sep 16, 2026Modified: Sep 16, 2026

8.2

Vector

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

Exploitability: 1.6 / Impact: 6.0

Source: cve@gitlab.com (Secondary)

Description

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.

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-19-3-2-released/

Source: cve@gitlab.com

https://gitlab.com/gitlab-org/gitlab/-/work_items/621447

Source: cve@gitlab.com

https://hackerone.com/reports/3917471

Source: cve@gitlab.com

Timeline

No history available yet.