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 L N N N L 2.1 .0052 42.2 —
AFFECTED Product Versions Fixed hermes-agent 0.18.0 – —
TIMELINE Sep 1 Reserved by VulDB Sep 1 Published (CNA: VulDB) Sep 3 EXPLOIT PUBLISHED — CVE-2026-84287 (NousResearch hermes-agent). Public exploit reference added.
A flaw has been found in NousResearch hermes-agent 0.18.0. Affected by this issue is some unknown functionality of the file gateway/platforms/api_server.py of the component Session Chat Interface. This manipulation causes denial of service. The attack is possible to be carried out 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 1, 2026 | Reserved | Reserved by VulDB |
| September 1, 2026 | Published | Published (CNA: VulDB) |
| September 3, 2026 | EXPLOIT PUBLISHED | EXPLOIT PUBLISHED — CVE-2026-84287 (NousResearch hermes-agent). Public exploit reference added. |
| Vendor | Product / Package | Ecosystem | Version introduced | Fixed |
|---|---|---|---|---|
| NousResearch | hermes-agent | — | 0.18.0 | — |
Authoritative record: CVE-2026-84287 at cve.org
Vendors: nousresearch
Weaknesses: CWE-404
This is a reference page, not a dated page of record. It assembles the complete lifecycle of CVE-2026-84287 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.
