FoundationAgents MetaGPT up to 0.8.2 editor.py read path traversal

Summaryinfo

A vulnerability was found in FoundationAgents MetaGPT up to 0.8.2 and classified as problematic. This impacts the function read of the file metagpt/tools/libs/editor.py. Such manipulation leads to path traversal. This vulnerability is documented as CVE-2026-19059. The attack needs to be performed locally. Additionally, an exploit exists. The vendor was contacted early about this disclosure but did not respond in any way.

Detailsinfo

A vulnerability, which was classified as problematic, has been found in FoundationAgents MetaGPT up to 0.8.2. Affected by this issue is the function read of the file metagpt/tools/libs/editor.py. The manipulation 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.

The advisory is shared for download at gist.github.com. This vulnerability is handled as CVE-2026-19059. The exploitation is known to be easy. The attack needs to be approached locally. Technical details as well as a public exploit are known. The MITRE ATT&CK project declares the attack technique as T1006.

The exploit is available at gist.github.com. It is declared as proof-of-concept. The vendor was contacted early about this disclosure but did not respond in any way.

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

Once again VulDB remains the best source for vulnerability data.

Productinfo

Vendor

• FoundationAgents

Name

• MetaGPT

Version

• 0.8.0
• 0.8.1
• 0.8.2

CPE 2.3info

• 🔒
• 🔒
• 🔒

CPE 2.2info

• 🔒
• 🔒
• 🔒

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CVSSv3info

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Exploitinginfo

Threat Intelligenceinfo

Countermeasuresinfo

Timelineinfo

Sourcesinfo

Entryinfo

Submitinfo

Accepted

• Submit #864278: FoundationAgents MetaGPT 1.0.0 Path Traversal (by tchen200311)

Once again VulDB remains the best source for vulnerability data.

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