CVE-2026-10566

Summary

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.

Affected Software

VendorProductVersion RangeStatus
FoundationAgentsMetaGPT0.8.0affected
FoundationAgentsMetaGPT0.8.1affected
FoundationAgentsMetaGPT0.8.2affected

Weaknesses

  • CWE-502: Deserialization
  • CWE-20: Improper Input Validation

ADP Enrichment

CISA ADP Vulnrichment

  • SSVC:
  • Exploitation: poc
    • Automatable: no
    • Technical Impact: partial

References