Vulnerability in Shy2593666979 Agentchat
CVE-2026-3693
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.
EPSS: 0.004 (33.5th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.3 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L.
Affected products
- Shy2593666979 Agentchat — versions 2.0, 2.1, 2.2
Weakness classification (CWE)
References
- cna@vuldb.com (technical-description, vdb-entry)
- cna@vuldb.com (signature, permissions-required)
- cna@vuldb.com (third-party-advisory)
- cna@vuldb.com (third-party-advisory)
- cna@vuldb.com (related)
- cna@vuldb.com (exploit)
Frequently asked questions
- What is CVE-2026-3693?
- CVE-2026-3693 is a high-severity vulnerability in Shy2593666979 Agentchat, classified under Resource Injection. CVSS score: 7.3/10. Published 2026-03-08.
- How severe is CVE-2026-3693?
- High severity. CVSS v3 base score is 7.3 out of 10.