---
cve: "CVE-2026-48851"
severity: "LOW"
cvss: 3.1
epss: "22%"
vendor: "PuTTY"
kev: false
exploited: false
published: "2026-05-25 21:16:35"
tags: [cve, security, low]
source: tsecurity.de CVE-Dossier
exported: "2026-09-08T14:48:15+02:00"
---

# CVE-2026-48851

> 3.1 LOW

## Beschreibung

PuTTY 0.77 before 0.84 uses a copy of the PuTTY icon as a trust indication for TELNET data but the trust status is not cleared between proxy authentication and the main session.

## CVSS-Vektor

```
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:L/A:N
```

| Metrik | Wert | Bewertung |
|---|---|---|
| AV Angriffsvektor | Netzwerk | bad |
| AC Komplexität | Hoch | good |
| PR Privilegien | Keine | bad |
| UI Interaktion | Erforderlich | good |
| S Scope | Unverändert | good |
| C Vertraulichkeit | Keine | good |
| I Integrität | Gering | warn |
| A Verfügbarkeit | Keine | good |

## Referenzen

- <https://lists.tartarus.org/pipermail/putty-announce/2026/000042.html>
- <https://www.chiark.greenend.org.uk/~sgtatham/putty/wishlist/telnet-trust-sigil.html>

---
_Exportiert aus dem [tsecurity.de CVE-Dossier](https://tsecurity.de/cve?cve=CVE-2026-48851) · Datenquellen: EUVD (ENISA), NVD, OSV, CISA KEV, FIRST EPSS, Exploit-DB, BSI BITS_