CVE-2026-10566

LOW EPSS 2.3%
Published Jun 2, 20261mo ago · Modified Jun 17, 20262w ago
1.9 CVSS 4.0
Low
Find Similar
Published Jun 2, 2026 1mo ago
Last Modified Jun 17, 2026 2w ago

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.

CVSS Details

Base Score
1.9
Exploitability
Impact
Vector string
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/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Attack Vector Local
Attack Complexity Low
Privileges Required Low
User Interaction None
Scope X

Threat Intelligence

EPSS Exploit Probability
2.3% percentile
Exploit & Patch Status
No Known Exploit
No Patch Available

Weaknesses 2

CWE-20 Improper Input Validation Validation
CWE-502 Deserialization of Untrusted Data Validation

References 6

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

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.