What is CVE-2026-10566?

CVE-2026-10566 is a medium-severity vulnerability in Foundationagents Metagpt, classified under Improper Input Validation. CVSS score: 5.3/10. Published 2026-06-02.

How severe is CVE-2026-10566?

Medium severity. CVSS v3 base score is 5.3 out of 10.

Deserialization in Foundationagents Metagpt

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. T…

Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)

EPSS: 0.000 (6.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L.

Affected products

Foundationagents Metagpt — versions 0.8.0, 0.8.1, 0.8.2

Weakness classification (CWE)

References

cna@vuldb.com (technical-description, vdb-entry)
cna@vuldb.com (signature, permissions-required)
cna@vuldb.com (third-party-advisory)
cna@vuldb.com (third-party-advisory)
cna@vuldb.com (issue-tracking, exploit)
cna@vuldb.com (product)

Frequently asked questions

What is CVE-2026-10566?: CVE-2026-10566 is a medium-severity vulnerability in Foundationagents Metagpt, classified under Improper Input Validation. CVSS score: 5.3/10. Published 2026-06-02.
How severe is CVE-2026-10566?: Medium severity. CVSS v3 base score is 5.3 out of 10.