Fosowl AgenticSeek up to 2.41.1 BashInterpreter subprocess.Popen os command injection

Summaryinfo

A vulnerability has been found in Fosowl AgenticSeek up to 2.41.1 and classified as critical. This affects the function subprocess.Popen of the component BashInterpreter. The manipulation leads to os command injection. This vulnerability is listed as CVE-2026-72776. The attack may be initiated remotely. There is no available exploit.

Detailsinfo

A vulnerability was found in Fosowl AgenticSeek up to 2.41.1 and classified as critical. This issue affects the function subprocess.Popen of the component BashInterpreter. The manipulation with an unknown input leads to a os command injection vulnerability. Using CWE to declare the problem leads to CWE-78. The product constructs all or part of an OS command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended OS command when it is sent to a downstream component. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

AgenticSeek (commit fc242c7) contains an unauthenticated remote code execution vulnerability that allows any network-adjacent attacker to execute arbitrary commands by submitting crafted queries to the unprotected POST /query API endpoint bound to 0.0.0.0:7777 with wildcard CORS. Attackers can send unauthenticated HTTP requests that cause the autonomous agent to generate and execute shell commands through BashInterpreter using subprocess.Popen with shell=True and safety=False, bypassing the incomplete command blocklist to achieve full host-level code execution.

It is possible to read the advisory at github.com. The identification of this vulnerability is CVE-2026-72776 since 08/10/2026. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Technical details of the vulnerability are known, but there is no available exploit. The attack technique deployed by this issue is T1202 according to MITRE ATT&CK.

Applying the patch fc242c7 is able to eliminate this problem.

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Productinfo

Vendor

• Fosowl

Name

• AgenticSeek

Version

• 2.41.0
• 2.41.1

Website

• Product: https://github.com/Fosowl/agenticSeek/

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CPE 2.2info

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