CVE-2026-0761CWE-94

Foundation Agents MetaGPT actionoutput_str_to_mapping Code Injection Remote Code Execution Vulnerability

Critical · published January 23, 2026

CVSS v3.0
9.8
EPSS
2%
Percentile
84.0
In the wild
Unconfirmed
What it is

🚨 A simple string can turn your server into an attacker's playground! This CVE-2026-0761 vulnerability allows remote code execution without breaking a sweat, as no authentication is needed. 🔥 Think of it like a restaurant where the chef blindly follows any order that comes in, even if it’s just a scribble on a napkin. Any customer could write whatever they wanted—imagine the chaos in the kitchen! An attacker can execute arbitrary code on your installed service, potentially leading to complete system compromise. This means they could manipulate data, install malware, or even wipe everything clean, all while remaining undetected! The stakes are outrageously high!

Put simply

Think of it like a restaurant where the chef blindly follows any order that comes in, even if it’s just a scribble on a napkin. Any customer could write whatever they wanted—imagine the chaos in the kitchen! This vulnerability arises from the actionoutput_str_to_mapping function, which inadequately validates user-supplied strings before executing them as Python code. This oversight allows attackers to run arbitrary commands in the context of the service account without any authentication checks.

What to do

An attacker can execute arbitrary code on your installed service, potentially leading to complete system compromise. This means they could manipulate data, install malware, or even wipe everything clean, all while remaining undetected! The stakes are outrageously high! Immediate action is critical! Start by patching to the latest version that addresses this vulnerability and review your installation configurations for any other misconfigurations. Implement stringent input validation to avoid future issues like this. 🛡️ You've got this! Follow these steps, and you'll fortify your defenses 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
0.02413 · 84.0th percentile
Weakness
CWE-94 · Improper Control of Generation of Code ('Code Injection')
Published
2026-01-23T03:28Z
EPSS history
Timeline
  • 23 JAN 03:28Z
    Foundation Agents MetaGPT actionoutput_str_to_mapping Code Injection Remote Code Execution Vulnerability
    cvelistv5