CVE-2026-72776

Critical

Description

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.

SeverityCritical
CVSS9.8
Exploit probability—
ProductAgenticSeek
PublishedAug 13, 2026
First seenAug 13, 2026

How to fix

Update
  • Fosowl AgenticSeekf1eb2cfc721f8a21dd16a8b048a9ca89f3259f6f or later

Affected products

ProductAffected versionsFixed in
Fosowl AgenticSeekv < f1eb2cfc721f8a21dd16a8b048a9ca89f3259f6ff1eb2cfc721f8a21dd16a8b048a9ca89f3259f6f

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