Reference page — cumulative record through Sunday, October 4, 2026 UTC. Reference pages update as the archive grows; only dated daily editions are immutable pages of record.
AV AC AT PR UI VC VI VA CVSS EPSS %ile KEV N L N N N N N L 5.5 .0064 48.7 —
AFFECTED Product Versions Fixed aichat 0.30.0 – —
TIMELINE Sep 2 Reserved by VulDB Sep 2 Published (CNA: VulDB) Sep 3 EXPLOIT PUBLISHED — CVE-2026-84857 (sigoden aichat). Public exploit reference added.
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.
| Date | Event | Detail |
|---|---|---|
| September 2, 2026 | Reserved | Reserved by VulDB |
| September 2, 2026 | Published | Published (CNA: VulDB) |
| September 3, 2026 | EXPLOIT PUBLISHED | EXPLOIT PUBLISHED — CVE-2026-84857 (sigoden aichat). Public exploit reference added. |
| Vendor | Product / Package | Ecosystem | Version introduced | Fixed |
|---|---|---|---|---|
| sigoden | aichat | — | 0.30.0 | — |
Authoritative record: CVE-2026-84857 at cve.org
Vendors: sigoden
This is a reference page, not a dated page of record. It assembles the complete lifecycle of CVE-2026-84857 from the CVE Program record, NVD enrichment, the CISA KEV catalog, EPSS, and OSV advisories. The box score's numbers (CVSS, EPSS, KEV status) are current as of Sunday, October 4, 2026 UTC and are re-derived as the archive grows; only dated daily editions are immutable pages of record. The authoritative source for this identifier is cve.org.
