CVE-2026-84857
sigoden aichat API Endpoint serve.rs memory allocation
- State
- Published
- Severity
- 6.9 Medium
- Published
- Sep 2, 2026
- Updated
- Sep 3, 2026
- Reserved
- Sep 2, 2026
Description
A flaw has been found in sigoden aichat up to 0.30.4. This affects an unknown function of the file src/serve.rs of the component API Endpoint. This manipulation causes uncontrolled memory allocation. The attack can be initiated 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:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P | VulDB |
| 3.1 | 5.3 Medium | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:P/RL:X/RC:R | VulDB |
| 3.0 | 5.3 Medium | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:P/RL:X/RC:R | VulDB |
| 2.0 | 5.0 Medium | AV:N/AC:L/Au:N/C:N/I:N/A:P/E:POC/RL:ND/RC:UR | VulDB |
Weaknesses
Affected Products
| Product | Versions |
|---|---|
aichatsigoden |
|
References
- VDB-398132 | sigoden aichat API Endpoint serve.rs memory allocationvdb-entry
- VDB-398132 | CTI Indicators (IOB, IOC, IOA)signaturepermissions-required
- CVE-2026-84857 | CVE Analysis and Reportthird-party-advisory
- Submit #886265 | sigoden AIChat 0.30.0 Denial of Servicethird-party-advisory
- https://github.com/outlookgp/CVE/tree/main/AIChat_Serve_Request_Body_DoS_Reportexploit
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