CVE-2026-3693
Shy2593666979 AgentChat User Endpoint user.py update_user_info resource injection
- State
- Published
- Severity
- 6.9 Medium
- Published
- Mar 8, 2026
- Updated
- Mar 11, 2026
- Reserved
- Mar 7, 2026
Description
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 6.9 Medium | CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P | VulDB |
| 3.1 | 7.3 High | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R | VulDB |
| 3.0 | 7.3 High | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R | VulDB |
| 2.0 | 7.5 High | AV:N/AC:L/Au:N/C:P/I:P/A:P/E:POC/RL:ND/RC:UR | VulDB |
Weaknesses
- CWE-99 Improper Control of Resource Identifiers
Affected Products
| Product | Versions |
|---|---|
AgentChatShy2593666979 |
|
References
- VDB-349640 | Shy2593666979 AgentChat User Endpoint user.py update_user_info resource injectionvdb-entrytechnical-description
- VDB-349640 | CTI Indicators (IOB, IOC, IOA)signaturepermissions-required
- Submit #765589 | Shy2593666979 AgentChat <= v2.3.0 Authorization Bypassthird-party-advisory
- Submit #765590 | Shy2593666979 AgentChat <= v2.3.0 Authorization Bypass (Duplicate)third-party-advisory
- https://github.com/CC-T-454455/Vulnerabilities/tree/master/agent-chat/vulnerability-1related
- https://github.com/CC-T-454455/Vulnerabilities/tree/master/agent-chat/vulnerability-2exploit
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