Deserialization of Untrusted Data in MetaGPT - CVE-2026-0760

 

Deserialization of Untrusted Data in MetaGPT - CVE-2026-0760

Published: January 12, 2026


Vulnerability identifier: #VU121154
CSH Severity: High
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber
CVE-ID: CVE-2026-0760
CWE-ID: CWE-502
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: Foundation Agents
Affected software:
MetaGPT

Detailed vulnerability description

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to insecure input validation when processing serialized data within the deserialize_message function. A remote attacker can pass specially crafted data to the application and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.


How to mitigate CVE-2026-0760

Cybersecurity Help is currently unaware of any official solution to address this vulnerability.

Sources