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.
References
| Link | Resource |
|---|---|
| https://docs.gitlab.com/releases/patches/patch-release-gitlab-19-3-2-released/ | Release Notes Vendor Advisory |
| https://gitlab.com/gitlab-org/gitlab/-/work_items/621447 | Issue Tracking |
| https://hackerone.com/reports/3917471 | Permissions Required |
Configurations
Configuration 1 (hide)
|
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/ - Release Notes, Vendor Advisory | |
| References | () https://gitlab.com/gitlab-org/gitlab/-/work_items/621447 - Issue Tracking | |
| References | () 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')
