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.

CVSS v3 8.3 HIGH

8.3^/10

CVSS v3 : HIGH

Vector :

Exploitability : 2.8 / Impact : 5.5

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact LOW

Scope UNCHANGED

References

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

Configurations

Configuration 1 (hide)

cpe:2.3:a:mintlify:mintlify:*:*:*:*:*:*:*:*

History

No history.

Information

Published : 2025-12-19 02:16

Updated : 2026-01-02 16:07

NVD link : CVE-2025-67843

Mitre link : CVE-2025-67843

CVE.ORG link : CVE-2025-67843

JSON object : View

Products Affected

mintlify

mintlify

CWE

CWE-1336

Improper Neutralization of Special Elements Used in a Template Engine

{"id": "CVE-2025-67843", "cveTags": [{"tags": ["exclusively-hosted-service"], "sourceIdentifier": "cve@mitre.org"}], "metrics": {"cvssMetricV31": [{"type": "Secondary", "source": "cve@mitre.org", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 8.3, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:L", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "LOW", "privilegesRequired": "LOW", "confidentialityImpact": "HIGH"}, "impactScore": 5.5, "exploitabilityScore": 2.8}, {"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 9.8, "attackVector": "NETWORK", "baseSeverity": "CRITICAL", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 3.9}]}, "published": "2025-12-19T02:16:08.990", "references": [{"url": "https://kibty.town/blog/mintlify/", "tags": ["Exploit", "Third Party Advisory"], "source": "cve@mitre.org"}, {"url": "https://news.ycombinator.com/item?id=46317098", "tags": ["Issue Tracking"], "source": "cve@mitre.org"}, {"url": "https://www.mintlify.com/blog/working-with-security-researchers-november-2025", "tags": ["Vendor Advisory"], "source": "cve@mitre.org"}, {"url": "https://www.mintlify.com/docs/changelog", "tags": ["Release Notes"], "source": "cve@mitre.org"}, {"url": "https://kibty.town/blog/mintlify/", "tags": ["Exploit", "Third Party Advisory"], "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Secondary", "source": "cve@mitre.org", "description": [{"lang": "en", "value": "CWE-1336"}]}], "descriptions": [{"lang": "en", "value": "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."}], "lastModified": "2026-01-02T16:07:45.247", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:mintlify:mintlify:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "4E599124-4B00-4D5C-ADB5-EC4564D3E5BF", "versionEndExcluding": "2025-11-15"}], "operator": "OR"}]}], "sourceIdentifier": "cve@mitre.org"}