CVE-2026-4870

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

7.5CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

EPSS

0.3% chance of exploitation in the next 30 days; higher than 18% of CVEs (scores of 2026-10-25)

CWE

CWE-674

Published

2026-06-12

Modified

2026-10-25

Record from

the NVD, synced 2026-10-25

Affected

• ibm:qiskit_software_development_kit

References

• https://www.ibm.com/support/pages/node/7276123

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