CVE-2025-67843 Code injection in Mintlify Platform
Remote attackers can execute arbitrary code via inline JSX expressions in MDX files within the Mintlify Platform rendering engine.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2025-67843?
CVE-2025-67843 is a high-severity code injection vulnerability in Mintlify Platform, published on 19 Dec 2025. Any signed-in user can exploit it over the network, with no action from the victim.
Official 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.
Weakness: CWE-1336
Which versions are affected by CVE-2025-67843?
It affects 1 product.
Products include Mintlify Mintlify.
How do I fix CVE-2025-67843?
No fix has been published for CVE-2025-67843 yet. Limit exposure of the affected software until one is available.
Upgrade, and never evaluate templates, expressions or code built from user input. More about Code injection.
Is CVE-2025-67843 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-67843 exists.
Other vulnerabilities in Mintlify Platform
Sources
Also known as GHSA-6p6p-x42g-j3hv.