CVE-2026-4870
Received Received - Intake
Segmentation Fault via Uncontrolled Recursion in IBM Qiskit SDK

Publication date: 2026-06-12

Last updated on: 2026-06-12

Assigner: IBM Corporation

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.
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Meta Information
Published
2026-06-12
Last Modified
2026-06-12
Generated
2026-06-13
AI Q&A
2026-06-13
EPSS Evaluated
N/A
NVD
CVE-2026-4870
Affected Vendors & Products
Showing 1 associated CPE
Vendor Product Version / Range
ibm qiskit_sdk From 0.43.0 (inc) to 2.5.0 (inc)
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Exploitability
CWE
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KEV
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CWE ID Description
CWE-UNKNOWN
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Executive Summary

This vulnerability exists in IBM Qiskit SDK versions 0.43.0 through 2.5.0. It allows an attacker to cause a segmentation fault by exploiting uncontrolled recursion in the parser component of the software.

The segmentation fault can lead to a denial of service condition, meaning the software could crash or become unavailable.

Impact Analysis

The primary impact of this vulnerability is a denial of service (DoS) attack. An attacker can exploit the uncontrolled recursion to cause the software to crash, making the IBM Qiskit SDK unavailable for legitimate users.

There is no indication that this vulnerability affects confidentiality or integrity, but availability is impacted.

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