CVE-2026-0760CWE-502

Foundation Agents MetaGPT deserialize_message Deserialization of Untrusted Data Remote Code Execution Vulnerability

Critical · published January 23, 2026

CVSS v3.0
9.8
EPSS
1%
Percentile
70.0
In the wild
Unconfirmed
What it is

🚨 A single unvalidated input in Foundation Agents MetaGPT could let an attacker execute arbitrary code with no authentication needed! 🔥 Think of this vulnerability like a restaurant where anyone can place a special order without the chef checking if the ingredients are safe — it’s a recipe for disaster! 🍽️ With this flaw, a malicious actor could walk right in and run any code, potentially compromising sensitive data or even taking full control of the server. The implications are absolutely devastating! 😱

Put simply

Think of this vulnerability like a restaurant where anyone can place a special order without the chef checking if the ingredients are safe — it’s a recipe for disaster! 🍽️ The vulnerability lies in the deserialize_message function, where the system fails to properly validate user-supplied data before deserialization, allowing attackers to execute arbitrary code within the service account context.

What to do

With this flaw, a malicious actor could walk right in and run any code, potentially compromising sensitive data or even taking full control of the server. The implications are absolutely devastating! 😱 To mitigate this, immediately patch to the latest version of Foundation Agents MetaGPT and implement strict input validation measures in your system. Regular audits of deserialization processes can also help prevent future issues. This is fixable! Implement these steps and you’ll have your service protected in no time. 🛡️

The record
Technical detail
CVSS v3.0
9.8 · CRITICAL
Vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.01289 · 70.0th percentile
Weakness
CWE-502 · Deserialization of Untrusted Data
Published
2026-01-23T03:28Z
EPSS history
Timeline
  • 23 JAN 03:28Z
    Foundation Agents MetaGPT deserialize_message Deserialization of Untrusted Data Remote Code Execution Vulnerability
    cvelistv5