VulnerabilityAnalyzed
CVE-2025-67843
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.
CRITICAL 9.8EPSS 1.08%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (1.08%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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.
- CVSS 3.1
- 9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 1.08% probability · 63th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-1336
- Affected
- mintlify/mintlify
- Source
- cve@mitre.org
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
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.