CVE-2025-67843
8.3HIGHA 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
Published: 12/19/2025Updated: 1/2/2026
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.
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Affected Products
mintlifymintlify
References
- https://kibty.town/blog/mintlify/ExploitThird 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/ExploitThird Party Advisory