# CVE-2026-19795

## Summary

- **CVE ID:** CVE-2026-19795
- **Severity:** MEDIUM
- **CVSS Score:** 6.2 (CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)
- **CWE:** CWE-502
- **Published:** Sep 3, 2026
- **Last Modified:** Sep 4, 2026

## Description

IBM Qiskit SDK 2.1.0 through 2.5.1 could allow a local attacker to cause a denial of service due to improper handling of a specially crafted object during deserialization. A malicious QPY payload can trigger a segmentation fault, causing the application to crash when deserializing untrusted input.

## Affected Products

- IBM — Qiskit SDK (2.1.0)

## References

- [CNA](https://www.ibm.com/support/pages/node/7285932)

## Exploitation Prediction (EPSS)

- **EPSS Score:** 0.11%
- **EPSS Percentile:** 1.5

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_Exported from OnDuty AI Vulnerability Intelligence on 2026-09-11._