Critical severity · published Sep 5, 2026
CVE-2026-86124
AutoAgent Unauthenticated Remote Code Execution via the Sandbox TCP Command Server
9.8
CVSS
1%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.0% · higher than 62% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
AU
AutoAgent · HKUDS
through 16c12b052ef2330a198063c62a07a7f9723031e3 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-86124
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-86124
github.com
https://github.com/HKUDS/AutoAgent
github.com
https://github.com/HKUDS/AutoAgent/blob/16c12b052ef2330a198063c62a07a7f9723031e3/autoagent/environment/docker_env.py
github.com
https://github.com/HKUDS/AutoAgent/blob/16c12b052ef2330a198063c62a07a7f9723031e3/autoagent/environment/tcp_server.py
github.com
https://github.com/HKUDS/AutoAgent/issues/96
www.vulncheck.com
https://www.vulncheck.com/advisories/autoagent-unauthenticated-remote-code-execution-via-the-sandbox-tcp-command-server