CVE-2026-10566

MEDIUM

CVSS v3.1: 5.3 · EPSS: 0.0002 (6.7 percentile)

No user interactionImproper Input ValidationInsecure Deserialization

Source data as of:

At a glance

Severity
MEDIUM
CVSS
5.3 v3.1 · NVD
EPSS
0.0002 (6.7 percentile) · FIRST.org
CISA KEV
No
Type
Improper Input Validation, Insecure Deserialization · NVD CWE
Attack conditions (CVSS vector)
No user interaction · Source: NVD Vector
Published
2026-06-02 · Modified: 2026-06-02

CVSS / EPSS / KEV

CVSS v3.1 5.3 / 10 MEDIUM Source: NVD
CVSS v4.0 1.9 / 10 LOW Source: NVD
EPSS 0.0002 6.7 percentile Source: FIRST.org
CISA KEV No Source: CISA

Source — CVSS: NVD · EPSS: FIRST.org · KEV: CISA. Data & Sources

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.

Record details

CVE ID
CVE-2026-10566
CVSS (v3.1)
5.3 (MEDIUM)
Vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
Exploitability subscore
1.8
Impact subscore
3.4
EPSS
0.0002 (6.7 percentile) — 2026-06-03
CISA KEV
No
Weakness (CWE)
CWE-20, CWE-502
Affected configurations (CPE)
0
Published
2026-06-02
Modified
2026-06-02
Status
Deferred

References

Reference URLs as listed by NVD, grouped by a mechanical match on the link's host/pattern. Labels describe the link type only.