CVE-2026-86124 AutoAgent Unauthenticated Remote Code Execution via the Sandbox TCP Command Server

Critical 9.3 Published Updated

Unauthenticated attackers can execute arbitrary bash commands as root via the exposed TCP server, gaining access to host directories.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2026-86124?

CVE-2026-86124 is a critical command injection vulnerability in HKUDS AutoAgent, published on 5 Sep 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

AutoAgent contains an unauthenticated remote code execution vulnerability in the TCP server that binds to all interfaces and executes attacker-supplied commands as root. Attackers can connect to the exposed communication port and execute arbitrary bash commands within the container, gaining access to bind-mounted host workspace directories.

Weakness: CWE-306

Which versions are affected by CVE-2026-86124?

How do I fix CVE-2026-86124?

No fix has been published for CVE-2026-86124 yet. Limit exposure of the affected software until one is available.

Upgrade, and pass arguments to programs as a list instead of through a shell. More about Command injection.

Is CVE-2026-86124 being exploited?

There is no known exploitation of CVE-2026-86124 in the wild and no public exploit code.

Sources

Also known as GHSA-vmh4-qv5g-wc55.

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