CVE-2026-3693CWE-99

Shy2593666979 AgentChat User Endpoint user.py update_user_info resource injection

Medium · published March 8, 2026

CVSS v4.0
6.9
EPSS
1%
Percentile
46.0
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v4.0
6.9 · MEDIUM
Vector
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
EPSS
0.00563 · 46.0th percentile
Weakness
CWE-99 · Improper Control of Resource Identifiers ('Resource Injection')
Published
2026-03-08T00:32Z
EPSS history
Timeline
  • 08 MAR 00:32Z
    Shy2593666979 AgentChat User Endpoint user.py update_user_info resource injection
    cvelistv5