High severity8.2NVD Advisory· Published Sep 16, 2026
CVE-2026-78252
CVE-2026-78252
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.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
2- Range: from 15.3 before 19.1.8, 19.2 before 19.2.6, and 19.3 before 19.3.2
- Range: from 15.3 before 19.1.8, 19.2 before 19.2.6, and 19.3 before 19.3.2
Patches
Vulnerability mechanics
References
2News mentions
1- GitLab Critical Patch Release: 19.3.2, 19.2.6, 19.1.8GitLab Security Releases · Sep 10, 2026