CVE-2025-67843

CriticalCVSS 9.8/10Last modified Jun 17, 2026

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.

Metrics

CVSS 3.1 9.8/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-1336

Affected software

Vendor	Product	Versions
Mintlify	Mintlify Platform	< 2025-11-15

References

https://kibty.town/blog/mintlify/Exploit, Third Party Advisory
https://news.ycombinator.com/item?id=46317098Issue Tracking
https://www.mintlify.com/blog/working-with-security-researchers-november-2025Vendor Advisory
https://www.mintlify.com/docs/changelogRelease Notes
https://kibty.town/blog/mintlify/Exploit, Third Party Advisory

Timeline

Published: Dec 19, 2025
Last modified: Jun 17, 2026
NVD status: Analyzed

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