zcaceres markdownify-mcp up to 1.1.0 src/Markdownify.ts assertPathAllowed symlink

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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3.2$0-$5k2.35+

Summaryinfo

A vulnerability has been found in zcaceres markdownify-mcp up to 1.1.0 and classified as problematic. The impacted element is the function assertPathAllowed of the file src/Markdownify.ts. The manipulation leads to symlink. This vulnerability is referenced as CVE-2026-14699. The attack can only be performed from a local environment. No exploit is available. The pull request to fix this issue awaits acceptance.

Detailsinfo

A vulnerability was found in zcaceres markdownify-mcp up to 1.1.0 and classified as problematic. This issue affects the function assertPathAllowed of the file src/Markdownify.ts. The manipulation with an unknown input leads to a symlink vulnerability. Using CWE to declare the problem leads to CWE-61. The product, when opening a file or directory, does not sufficiently account for when the file is a symbolic link that resolves to a target outside of the intended control sphere. This could allow an attacker to cause the product to operate on unauthorized files. Impacted is confidentiality.

It is possible to read the advisory at github.com. The identification of this vulnerability is CVE-2026-14699. The exploitation is known to be easy. Attacking locally is a requirement. Technical details of the vulnerability are known, but there is no available exploit.

The pull request to fix this issue awaits acceptance.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Type

Vendor

Name

Version

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 3.3
VulDB Meta Temp Score: 3.2

VulDB Base Score: 3.3
VulDB Temp Score: 3.2
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Symlink
CWE: CWE-61 / CWE-59
CAPEC: 🔒
ATT&CK: 🔒

Physical: Partially
Local: Yes
Remote: No

Availability: 🔒
Status: Not defined
Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔒

Timelineinfo

07/04/2026 Advisory disclosed
07/04/2026 +0 days VulDB entry created
07/04/2026 +0 days VulDB entry last update

Sourcesinfo

Product: github.com

Advisory: 108
Status: Not defined
Confirmation: 🔒

CVE: CVE-2026-14699 (🔒)
GCVE (CVE): GCVE-0-2026-14699
GCVE (VulDB): GCVE-100-376295

Entryinfo

Created: 07/04/2026 07:27
Changes: 07/04/2026 07:27 (56)
Complete: 🔍
Submitter: Dem000000
Cache ID: 216::103

Submitinfo

Accepted

  • Submit #846864: zcaceres markdownify-mcp / mcp-markdownify-server up to 1.1.0 CWE-59: Improper Link Resolution Before File Access ('Link Follo (by Dem000000)

Be aware that VulDB is the high quality source for vulnerability data.

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