---
cve: "CVE-2026-1731"
severity: "CRITICAL"
cvss: 9.9
epss: "88.6%"
vendor: "BeyondTrust"
kev: true
exploited: true
published: "2026-02-06 22:16:11"
tags: [cve, security, critical]
source: tsecurity.de CVE-Dossier
exported: "2026-09-12T07:33:27+02:00"
---

# CVE-2026-1731

> 9.9 CRITICAL · ⚠️ CISA KEV (211 Tage) · 🔓 Exploited

## Beschreibung

BeyondTrust Remote Support (RS) and certain older versions of Privileged Remote Access (PRA) contain a critical pre-authentication remote code execution vulnerability. By sending specially crafted requests, an unauthenticated remote attacker may be able to execute operating system commands in the context of the site user.

## CVSS-Vektor

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

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

## Referenzen

- <https://beyondtrustcorp.service-now.com/csm?id=csm_kb_article&sysparm_article=KB0023293>
- <https://www.beyondtrust.com/trust-center/security-advisories/bt26-02>
- <https://github.com/win3zz/CVE-2026-1731>
- <https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-1731>
- <https://www.greynoise.io/blog/reconnaissance-beyondtrust-rce-cve-2026-1731>

---
_Exportiert aus dem [tsecurity.de CVE-Dossier](https://tsecurity.de/cve?cve=CVE-2026-1731) · Datenquellen: EUVD (ENISA), NVD, OSV, CISA KEV, FIRST EPSS, Exploit-DB, BSI BITS_