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TI-2026-12391 Aliases CVE-2026-14699GHSA-mf9r-r6pc-8fc6

zcaceres markdownify-mcp Markdownify.ts assertPathAllowed symlink

Priority LOW 21CWE-59Published · Updated

Key facts

Attack vector
Local
Privileges required
Low
User interaction
None
Attack complexity
Low
Attack requirements
None
Impact type
Information disclosure
Confidentiality · integrity · availability
Low · None · None
Fix status
No fix listed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-59 and the CVSS impact.

Summary

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.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00174 6th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
zcaceresmarkdownify-mcp1.0; 1.1.0—No fix listedCNA
  • markdownify-mcp Vendorzcaceres Affected 1.0; 1.1.0 Fixed in — No fix listed CNA

CPE names CNA · 1

CPEVersionsRoleVendor
cpe:2.3:a:zcaceres:markdownify-mcp:*:*:*:*:*:*:*:*——zcaceres
  • cpe:2.3:a:zcaceres:markdownify-mcp:*:*:*:*:*:*:*:* Versions — — ·zcaceres

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-14699
  2. 2026-10-03 Alias added: GHSA-mf9r-r6pc-8fc6

References

Patch 1

Other 2

  • TI-2025-40381 fetch-mcp v1.0.2 and before is vulnerable to Server-Side Request Forgery (SSRF)… CVSS 3.1HIGH 7.5
  • TI-2025-40380 A Server-Side Request Forgery (SSRF) vulnerability was discovered in the… CVSS 3.1HIGH 7.5
  • TI-2025-36147 Markdownify is vulnerable to command injection through pptx-to-markdown tool CVSS 3.1HIGH 7.5
  • TI-2026-12394 zcaceres markdownify-mcp webpage-to-markdown Markdownify.ts saveToTempFile random values CVSS 4.0LOW 2.0

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences