Security Advisory
CVE-2026-19795
6.2
MEDIUM
Vulnerability Description
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.
Published Date
September 3, 2026
Official Source
NIST NVD Advisory