CVE-2025-67843

State: Published
Severity: 8.3 High
Published: Dec 19, 2025
Updated: Dec 23, 2025
Reserved: Dec 12, 2025

Description

A Server-Side Template Injection (SSTI) vulnerability in the MDX Rendering Engine in Mintlify Platform before 2025-11-15 allows remote attackers to execute arbitrary code via inline JSX expressions in an MDX file.

Scores

CVSS	Score	Vector	Source
3.1	8.3 High	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:L	mitre

Weaknesses

CWE-1336 Improper Neutralization of Special Elements Used in a Template Engine

Affected Products

Product	Versions
Mintlify PlatformMintlify	before 2025-11-15Affected

References

https://www.mintlify.com/docs/changelog
https://www.mintlify.com/blog/working-with-security-researchers-november-2025
https://kibty.town/blog/mintlify/
https://news.ycombinator.com/item?id=46317098

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