CVE-2026-116500

MediumCVSS 6.2/10Last modified Nov 12, 2026

Description

IBM Qiskit SDK 2.4.0 through 2.6.1 could allow a local attacker to cause a denial of service due to unbound recursion during deserialization of untrusted QPY payloads.

Metrics

CVSS 3.1 6.2/10CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Weakness enumeration

CWE-502

Affected software

Source: the vendor's advisory (CNA). NVD analysis pending.

Vendor	Product	Versions
IBM	Qiskit SDK	>= 2.4.0, <= 2.6.1

References

https://www.ibm.com/support/pages/node/7295235

Timeline

Published: Nov 8, 2026
Last modified: Nov 12, 2026
NVD status: Awaiting Analysis

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