What’s Vulnerable › Vulnerabilities

CVE-2024-29032: `qiskit_ibm_runtime.RuntimeDecoder` can execute arbitrary code

• Severity: high (CVSS 7.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.4% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2024-03-20 · updated 2026-06-17
• Weakness: CWE-502

Description

Qiskit IBM Runtime is an environment that streamlines quantum computations and provides optimal implementations of the Qiskit quantum computing SDK. Starting in version 0.1.0 and prior to version 0.21.2, deserializing json data using `qiskit_ibm_runtime.RuntimeDecoder` can lead to arbitrary code execution given a correctly formatted input string. Version 0.21.2 contains a fix for this issue.

Affected products

• qiskit-ibm-runtime: from 0.1.0 before 0.21.2 — fixed in 0.21.2

How to fix

Upgrade to a fixed version: qiskit-ibm-runtime 0.21.2. Check the vendor advisory for mitigations.

References

• https://github.com/Qiskit/qiskit-ibm-runtime/blob/16e90f475e78a9d2ae77daa139ef750cfa84ca82/qiskit_ibm_runtime/utils/json.py#L156-L159
• https://github.com/Qiskit/qiskit-ibm-runtime/commit/b78fca114133051805d00043a404b25a33835f4d
• https://github.com/Qiskit/qiskit-ibm-runtime/security/advisories/GHSA-x4x5-jv3x-9c7m
• https://github.com/Qiskit/qiskit-ibm-runtime/blob/16e90f475e78a9d2ae77daa139ef750cfa84ca82/qiskit_ibm_runtime/utils/json.py#L156-L159
• https://github.com/Qiskit/qiskit-ibm-runtime/commit/b78fca114133051805d00043a404b25a33835f4d
• https://github.com/Qiskit/qiskit-ibm-runtime/security/advisories/GHSA-x4x5-jv3x-9c7m

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