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CVE-2025-67843

Mintlify remote code execution

8.3 HIGHPublic exploitEPSS 1.11%
  1. Published19 Dec 2025

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 breakdown

Attack vectorNetwork
Attack complexityLow
Privileges requiredLow
User interactionNone
ScopeUnchanged
ConfidentialityHigh
IntegrityHigh
AvailabilityLow
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:L

Affected products

Mintlify< 2025-11-15

Remediation

Fixed in
Mintlify≥ 2025-11-15

References

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Frequently asked

Is CVE-2025-67843 being actively exploited?

CVE-2025-67843 is not in the CISA KEV catalog. A public exploit reference exists, so treat it as exploitable. Its EPSS exploit probability is 1.11%.

How severe is CVE-2025-67843?

CVE-2025-67843 has a CVSS 3.1 base score of 8.3, rated high. EPSS estimates a 1.11% probability of exploitation.

Which products are affected by CVE-2025-67843?

Affected products include Mintlify.

How do I fix CVE-2025-67843?

Upgrade affected software to a fixed version, for example Mintlify 2025-11-15 or later, then confirm no affected versions remain in your inventory.

How Secuno handles this

Secuno correlates vulnerabilities like CVE-2025-67843 against the real software inventory on every managed device, every day. Rather than a static severity, each match is scored in context: exploit availability, EPSS, the asset's exposure, and business criticality decide where it lands in the queue. If an affected version is present anywhere across your portfolio, it surfaces automatically with a prioritised remediation path.

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Data from the NVD, CISA KEV catalog and FIRST EPSS. CVSS 3.1 base score shown where available.