CVE-2026-3693
HIGHCVSS Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
Lifecycle Timeline
2Description
A flaw has been found in Shy2593666979 AgentChat up to 2.3.0. This issue affects the function get_user_info/update_user_info of the file /src/backend/agentchat/api/v1/user.py of the component User Endpoint. This manipulation of the argument user_id causes improper control of resource identifiers. It is possible to initiate the attack remotely. The exploit has been published and may be used. The vendor was contacted early about this disclosure but did not respond in any way.
Analysis
Improper resource identifier validation in Shy2593666979 AgentChat versions up to 2.3.0 allows unauthenticated remote attackers to manipulate the user_id parameter in the user endpoint, potentially gaining unauthorized access to or modifying user data. Public exploit code exists for this vulnerability, and the vendor has not responded to disclosure attempts. …
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Remediation
Within 24 hours: Inventory all systems running AgentChat versions up to 2.3.0 and assess exposure. Within 7 days: Implement network segmentation to isolate affected systems and deploy compensating controls. …
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External POC / Exploit Code
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