---
cve: "CVE-2026-18993"
severity: "MEDIUM"
cvss: 5.3
epss: "0.2%"
vendor: "NousResearch"
kev: false
exploited: false
published: "2026-08-06 05:16:41"
tags: [cve, security, medium]
source: tsecurity.de CVE-Dossier
exported: "2026-09-22T00:27:52+02:00"
---

# CVE-2026-18993

> 5.3 MEDIUM · 🧪 PoC

## Beschreibung

A vulnerability was detected in NousResearch hermes-agent up to 0.16.0. Affected by this issue is some unknown functionality of the file hermes-agent/model_tools.py of the component Memory Toolset. The manipulation results in improper access controls. The attack can be executed remotely. The exploit is now public and may be used.

## CVSS-Vektor

```
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P
```

| Metrik | Wert | Bewertung |
|---|---|---|
| AV Angriffsvektor | Netzwerk | bad |
| AC Komplexität | Gering | bad |
| PR Privilegien | Gering | warn |
| UI Interaktion | Keine | bad |

## Referenzen

- <https://vuldb.com/vuln/386377>
- <https://vuldb.com/vuln/386377/cti>
- <https://vuldb.com/cve/CVE-2026-18993>
- <https://vuldb.com/submit/862610>
- <https://github.com/NousResearch/hermes-agent/issues/46171>
- <https://github.com/NousResearch/hermes-agent/pull/46185>
- <https://github.com/NousResearch/hermes-agent/issues/48181>
- <https://github.com/NousResearch/hermes-agent/>

---
_Exportiert aus dem [tsecurity.de CVE-Dossier](https://tsecurity.de/cve?cve=CVE-2026-18993) · Datenquellen: EUVD (ENISA), NVD, OSV, CISA KEV, FIRST EPSS, Exploit-DB, BSI BITS_