bartekke8it56w2 new-mcp 0.1.0 geminithinking index.ts fs.writeFileSync/fs.existsSync/fs.readFileSync sessionCommand/sessionPath path traversal

Summaryinfo

A vulnerability classified as critical was found in bartekke8it56w2 new-mcp 0.1.0. Affected is the function fs.writeFileSync/fs.existsSync/fs.readFileSync of the file index.ts of the component geminithinking. Such manipulation of the argument sessionCommand/sessionPath leads to path traversal. This vulnerability is traded as CVE-2026-19370. An attack has to be approached locally. Furthermore, there is an exploit available. The project was informed of the problem early through an issue report but has not responded yet.

Detailsinfo

A vulnerability, which was classified as critical, has been found in bartekke8it56w2 new-mcp 0.1.0. Affected by this issue is the function fs.writeFileSync/fs.existsSync/fs.readFileSync of the file index.ts of the component geminithinking. The manipulation of the argument sessionCommand/sessionPath with an unknown input leads to a path traversal vulnerability. Using CWE to declare the problem leads to CWE-22. The product uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the product does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory. Impacted is confidentiality, integrity, and availability.

The advisory is available at github.com. This vulnerability is handled as CVE-2026-19370. The exploitation is known to be easy. Local access is required to approach this attack. Technical details as well as a exploit are known. This vulnerability is assigned to T1006 by the MITRE ATT&CK project.

It is declared as proof-of-concept. The project was informed of the problem early through an issue report but has not responded yet.

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

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Productinfo

Type

• Artificial Intelligence Software

Vendor

• bartekke8it56w2

Name

• new-mcp

Version

• 0.1.0

Website

• Product: https://github.com/bartekke8it56w2/new-mcp/

CPE 2.3info

• 🔒

CPE 2.2info

• 🔒

CVSSv4info

CVSSv3info

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Exploitinginfo

Threat Intelligenceinfo

Countermeasuresinfo

Timelineinfo

Sourcesinfo

Entryinfo

Submitinfo

Accepted

• Submit #866268: bartekke8it56w2 new-mcp 0.1.0 Path Traversal (by gongyanyu05)

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