CVE-2026-14699: zcaceres markdownify-mcp Markdownify.ts assertPathAllowed symlink

Severity: low (CVSS 3.3 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.2% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-07-05 · updated 2026-10-25
Weakness: CWE-59

Description

A weakness has been identified in zcaceres markdownify-mcp up to 1.1.0. The affected element is the function assertPathAllowed of the file src/Markdownify.ts. Executing a manipulation can lead to symlink following. The attack can only be executed locally. The pull request to fix this issue awaits acceptance.

Affected products

zcaceres markdownify-mcp: 1.0, 1.1.0

References

https://github.com/zcaceres/markdownify-mcp/
https://github.com/zcaceres/markdownify-mcp/issues/108
https://github.com/zcaceres/markdownify-mcp/pull/109
https://vuldb.com/cve/CVE-2026-14699
https://vuldb.com/submit/846864
https://vuldb.com/vuln/376295
https://vuldb.com/vuln/376295/cti

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