Vulnerability · Published Sep 5, 2026 · Assigned by VulnCheck
CVE-2026-86124AutoAgent Unauthenticated Remote Code Execution via the Sandbox TCP Command Server
Critical 9.8
In plain English
A critical-severity missing authentication in AutoAgent from HKUDS. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.0% (higher than 62% of all known vulnerabilities).
Severity (CVSS 3.1)9.8Critical
Exploit odds (30 days)1.0%top 37.5% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
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.
Affected products (as reported)
Weakness: CWE-306 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
References
- GitHub Issue #96 issue-tracking
- tcp_server.py: 0.0.0.0 bind, no auth, shell execution technical-description
- docker_env.py: docker run --user root, -p publishes on 0.0.0.0 technical-description
- https://github.com/HKUDS/AutoAgent product
- VulnCheck Advisory: AutoAgent Unauthenticated Remote Code Execution via the Sandbox TCP Command Server third-party-advisory