CVE-2026-10566

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.

CVSS v3 5.3 MEDIUM
CVSS v2.0 4.3 MEDIUM

5.3^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 1.8 / Impact : 3.4

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact LOW

Integrity Impact LOW

Availability Impact LOW

Scope UNCHANGED

4.3^/10

CVSS v2.0 : MEDIUM

Vector : AV:L/AC:L/Au:S/C:P/I:P/A:P

Exploitability : 3.1 / Impact : 6.4

Access Vector LOCAL

Access Complexity LOW

Authentication SINGLE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

Link	Resource
https://github.com/FoundationAgents/MetaGPT/
https://github.com/FoundationAgents/MetaGPT/issues/2038
https://vuldb.com/cve/CVE-2026-10566
https://vuldb.com/submit/828301
https://vuldb.com/vuln/367673
https://vuldb.com/vuln/367673/cti

Configurations

No configuration.

History

22 Jul 2026, 19:10

Type	Values Removed	Values Added
Summary		(es) Se ha identificado una debilidad en FoundationAgents MetaGPT hasta la versión 0.8.2. Esto afecta a la función Message.check_instruct_content del archivo metagpt/schema.py. La ejecución de una manipulación del argumento mapping puede conducir a la deserialización. El ataque está restringido a la ejecución local. El exploit se ha hecho público y podría ser utilizado para ataques. El proyecto fue informado del problema con antelación mediante un informe de incidencias, pero aún no ha respondido.

02 Jun 2026, 03:16

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-06-02 03:16

Updated : 2026-07-22 19:10

NVD link : CVE-2026-10566

Mitre link : CVE-2026-10566

CVE.ORG link : CVE-2026-10566

JSON object : View

Products Affected

No product.

CWE

CWE-20

Improper Input Validation

CWE-502

Deserialization of Untrusted Data

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