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VULNERABILITIES

CVE-2026-78252 Details

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.

Metrics

CVSS 3.x Severity and Vector Strings:

CNA: [email protected]CVSS-B:8.2 HIGHVector:CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:L

References to Advisories, Solutions, and Tools

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URLSource(s)Tag(s)
https://docs.gitlab.com/releases/patches/patch-release-gitlab-19-3-2-released/ [email protected]
https://gitlab.com/gitlab-org/gitlab/-/work_items/621447 [email protected]
https://hackerone.com/reports/3917471 [email protected]

Weakness Enumeration

CWE-IDCWE NameSource
CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')[email protected]

Affected Products

No affected product data is available for this CVE.

Change History

2 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2026-78252
NVD Published Date:
Sep 16, 2026
NVD Last Modified:
Sep 16, 2026
Source:
[email protected]
CVE-2026-78252 Details - Not Deferred