Skip to contentIbm Qiskit Sdk vulnerabilities
- ibm qiskit sdkQiskit SDK C API may trigger an out of bounds write on accessing the unitary matrix with qk_circuit_inst_unitary().CVE-2026-1165018.4 High
- ibm qiskit sdkUnbound Recursion in QPY deserialization can lead to denial of serviceCVE-2026-1165006.2 Medium
- ibm qiskit sdkArbitrary Code Execution in Qiskit SDK QPY DeserializationCVE-2026-1164998.4 High
- ibm qiskit sdkQiskit SDK is vulnerable when deserializing QPY Files and may overflow the available stack space.CVE-2026-197956.2 Medium
- ibm qiskit sdk, qiskit software development kit +1 moreQiskit SDK is vulnerable to specific functions may recurse too deeply and overflow the available stack space, when encountering certain classical expressions.CVE-2026-48707.5 High
- ibm qiskit, qiskit sdk +1 moreQiskit SDK code executionCVE-2025-2000Fix available9.8 Critical
- ibm qiskit, qiskit sdk +1 moreQiskit SDK denial of serviceCVE-2025-1403Fix available8.6 High