CVE-2025-67843

HIGHNVD 8.38.3—Trending — 3 sources updated this weekElevated

8.3

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
EG Score: 8.3(medium)
EPSS: 74.7%
KEV: Not listed

Published

December 19, 2025

Last Modified

January 2, 2026

References (5)

cve@mitrehttps://kibty.town/blog/mintlify/
cve@mitrehttps://news.ycombinator.com/item?id=46317098
cve@mitrehttps://www.mintlify.com/blog/working-with-security-researchers-november-2025
cve@mitrehttps://www.mintlify.com/docs/changelog
134c704f-9b21-4f2e-91b3-4a467353bcc0https://kibty.town/blog/mintlify/

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

CWE-1336Improper Neutralization of Special Elements Used in a Template Engine (SSTI)

Data Freshness Timeline

(refreshed 11× in last 7d / 11× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-06-02 20:13 UTCepss_batch
2026-06-02 20:12 UTCepss_batch
2026-06-01 13:51 UTCepss_batch
2026-06-01 13:51 UTCepss_batch
2026-05-31 22:30 UTCepss_batch
2026-05-31 22:30 UTCepss_batch
2026-05-31 00:16 UTCepss_batch
2026-05-31 00:16 UTCepss_batch
2026-05-29 17:12 UTCEG score recompute
2026-05-29 17:11 UTCGHSA enrichment
2026-05-29 13:44 UTCepss_batch

Frequently asked(5)

What is CVE-2025-67843?

CVE-2025-67843 is a high vulnerability published on December 19, 2025. 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.

When was CVE-2025-67843 disclosed?

CVE-2025-67843 was first published in the National Vulnerability Database on December 19, 2025, with the most recent update on January 2, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2025-67843 actively exploited?

CVE-2025-67843 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 74.7% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2025-67843?

CVE-2025-67843 has a CVSS v3 base score of 8.3 (NVD).

How do I remediate CVE-2025-67843?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2025-67843, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

See which npm, PyPI, Go, and Maven packages are affected by CVE-2025-67843

Explore →

Is Your Infrastructure Affected by CVE-2025-67843?

EchelonGraph automatically scans your cloud infrastructure and maps CVE exposure using blast radius analysis.

Start Free Scan →Browse All CVEs

CVE-2025-67843

📅 Published

🔄 Last Modified

🔗 References (5)