---
cve: "CVE-2026-19795"
severity: "MEDIUM"
cvss: 6.2
epss: "3.1%"
vendor: "Generic Security"
kev: false
exploited: false
published: "2026-09-03 20:17:19"
tags: [cve, security, medium]
source: tsecurity.de CVE-Dossier
exported: "2026-09-07T21:04:12+02:00"
---

# CVE-2026-19795

> 6.2 MEDIUM

## Beschreibung

Qiskit could allow a local attacker to cause a denial of service due to a stack overflow during deserialization of QPY payloads. A malicious QPY payload can trigger a segmentation fault, causing the application to crash when deserializing untrusted input.

## CVSS-Vektor

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

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

## Referenzen

- <https://www.ibm.com/support/pages/node/7285932>

---
_Exportiert aus dem [tsecurity.de CVE-Dossier](https://tsecurity.de/cve?cve=CVE-2026-19795) · Datenquellen: EUVD (ENISA), NVD, OSV, CISA KEV, FIRST EPSS, Exploit-DB, BSI BITS_