CVE-2026-84857: Sigoden Aichat

Medium severity, CVSS 5.3. EPSS: 0.6% chance of exploitation in the next 30 days.

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.

Affected products

• Sigoden Aichat: version 0.30.0 only; version 0.30.1 only; version 0.30.2 only; version 0.30.3 only; version 0.30.4 only

Published 2026-09-02. Last modified 2026-09-28.