CVE-2026-116499 – Arbitrary Code Execution in Qiskit SDK QPY Deserialization

​CVE ID :CVE-2026-116499

Published : Nov. 8, 2026, 5:16 p.m. | 1 hour, 3 minutes ago

Description :IBM Qiskit SDK 1.4.2 through 2.6.2 could allow a local attacker to execute arbitrary code due to deserialization of untrusted data.

Severity: 8.4 | HIGH

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