Vulnerability record · CVE-2026-4870 · published 12 June 2026

CVE-2026-4870: Ibm qiskit software development kit vulnerability

Ibm · Qiskit Software Development Kit

IBM Qiskit SDK 0.43.0 through 2.5.0 could allow an attacker to trigger a segmentation fault leading to a denial of service due to uncontrolled recursion in the parser.

7.5 CVSS 3.1 High EPSS 0.46% · top 62.6% CWE-674 · CWE-674

7.5CVSS 3.1 base score

0.46%EPSS exploitation probability, 30 days

NoNot in CISA KEV

1Affected product versions listed by NVD

1References

17 Jun 2026Last modified by NVD

Description

IBM Qiskit SDK 0.43.0 through 2.5.0 could allow an attacker to trigger a segmentation fault leading to a denial of service due to uncontrolled recursion in the parser.

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

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

Qiskit Software Development Kit Ibm

References

Link	Tags
https://www.ibm.com/support/pages/node/7276123	Vendor Advisory

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Source: NIST National Vulnerability Database (record CVE-2026-4870), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.