FoundationAgents MetaGPT schema.py Message.check_instruct_content deserialization_CVE-2026-10566

4.8 / 10

MEDIUM

CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P

Description

A weakness has been identified in FoundationAgents MetaGPT up to 0.8.2. This affects the function Message.check_instruct_content of the file metagpt/schema.py. Executing a manipulation of the argument mapping can lead to deserialization. The attack is restricted to local execution. The exploit has been made available to the public and could be used for attacks. The project was informed of the problem early through an issue report but has not responded yet.

Basic Information

ID CVE-2026-10566

Source VulDB

Published Jun 2, 2026 at 01:45

Affected Product

Vendor FoundationAgents

Product MetaGPT

Version 0.8.0

Affected Versions FoundationAgents MetaGPT 0.8.0
FoundationAgents MetaGPT 0.8.1
FoundationAgents MetaGPT 0.8.2

CWE Classification

CWE-502 CWE-20

References

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    "lastseen": "",
    "description": "A weakness has been identified in FoundationAgents MetaGPT up to 0.8.2. This affects the function Message.check_instruct_content of the file metagpt/schema.py. Executing a manipulation of the argument mapping can lead to deserialization. The attack is restricted to local execution. The exploit has been made available to the public and could be used for attacks. The project was informed of the problem early through an issue report but has not responded yet.",
    "published": "2026-06-02T01:45:10.323Z",
    "modified": "2026-06-02T01:45:10.323Z",
    "type": "cve",
    "title": "FoundationAgents MetaGPT schema.py Message.check_instruct_content deserialization",
    "source": "VulDB",
    "references": "https://vuldb.com/vuln/367673\nhttps://vuldb.com/vuln/367673/cti\nhttps://vuldb.com/cve/CVE-2026-10566\nhttps://vuldb.com/submit/828301\nhttps://github.com/FoundationAgents/MetaGPT/issues/2038\nhttps://github.com/FoundationAgents/MetaGPT/",
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    "sourceData": "FoundationAgents MetaGPT 0.8.0\nFoundationAgents MetaGPT 0.8.1\nFoundationAgents MetaGPT 0.8.2",
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    "cvss": {
        "score": 4.8,
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