9.8
CRITICAL CVSS 3.1
CVE-2026-86124
AutoAgent Unauthenticated Remote Code Execution via the Sandbox TCP Command Server
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.

INFO

Published Date :

Sept. 5, 2026, 10:16 a.m.

Last Modified :

Sept. 5, 2026, 10:16 a.m.

Remotely Exploit :

Yes !
Affected Products

The following products are affected by CVE-2026-86124 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

No affected product recoded yet

CVSS Scores
The Common Vulnerability Scoring System is a standardized framework for assessing the severity of vulnerabilities in software and systems. We collect and displays CVSS scores from various sources for each CVE.
Score Version Severity Vector Exploitability Score Impact Score Source
CVSS 3.1 CRITICAL 83251b91-4cc7-4094-a5c7-464a1b83ea10
CVSS 3.1 CRITICAL [email protected]
CVSS 4.0 CRITICAL 83251b91-4cc7-4094-a5c7-464a1b83ea10
CVSS 4.0 CRITICAL [email protected]
Solution
Fix unauthenticated remote code execution in TCP server by disabling it or restricting access.
  • Disable the TCP server if not needed.
  • Restrict network access to the TCP server.
  • Update AutoAgent to the latest secure version.
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2026-86124 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2026-86124 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2026-86124 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • New CVE Received by [email protected]

    Sep. 05, 2026

    Action Type Old Value New Value
    Added 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.
    Added CVSS V4.0 AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
    Added CVSS V3.1 AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
    Added CWE CWE-306
    Added Affected New affected value received. <a href="https://github.com/CVEProject/cvelistV5/blob/main/cves/2026/86xxx/CVE-2026-86124.json">CVE-2026-86124</a>
    Added Reference https://github.com/HKUDS/AutoAgent
    Added Reference https://github.com/HKUDS/AutoAgent/blob/16c12b052ef2330a198063c62a07a7f9723031e3/autoagent/environment/docker_env.py
    Added Reference https://github.com/HKUDS/AutoAgent/blob/16c12b052ef2330a198063c62a07a7f9723031e3/autoagent/environment/tcp_server.py
    Added Reference https://github.com/HKUDS/AutoAgent/issues/96
    Added Reference https://www.vulncheck.com/advisories/autoagent-unauthenticated-remote-code-execution-via-the-sandbox-tcp-command-server
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.