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CVE-2026-10566

FoundationAgents MetaGPT schema.py Message.check_instruct_content deserialization

Published: Jun 2, 2026Updated: Jun 2, 2026 Sources: CVE List NVD
NVD MITRE
5.3CVSS
MEDIUM

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.

EPSS Score
N/A
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
No Fix Available

CVSS Vector Breakdown

AV:LAC:LPR:LUI:NS:UC:LI:LA:L
Exploitability
AV:LAttack Vector
Local
AC:LAttack Complexity
Low
PR:LPrivileges Required
Low
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:LConfidentiality
Low
I:LIntegrity
Low
A:LAvailability
Low

Weaknesses

CWE-20CWE-502

Affected Products

MetaGPT
FoundationAgents

Attack Graph

Products CVE Techniques Tactics

Click technique nodes to view MITRE ATT&CK details. Scroll to zoom, drag to pan.

Exploitability

No known exploits, KEV entries, or remediation guidance available for this vulnerability yet.

MITRE ATT&CK

3 techniques
Execution
Initial Access
View detailed technique mapping

References

https://vuldb.com/vuln/367673
vuldb.com
https://vuldb.com/vuln/367673/cti
vuldb.com
https://vuldb.com/cve/CVE-2026-10566
vuldb.com
and 3 more references View all →

Timeline

Published
Jun 2, 2026
Last Updated
Jun 2, 2026

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