Search vulnerabilities

Use the Query Builder to create your own search query, or check out the documentation to learn the search syntax.

Results 5

Export CSV
CVE-2026-116501

Qiskit SDK C API may trigger an out of bounds write on accessing the unitary matrix with qk_circuit_inst_unitary().

IBM Qiskit SDK 2.4.0 through 2.6.1 could allow a local attacker to execute arbitrary code due to an out-of-bounds write caused by improper input validation when accessing a corrupted unitary matrix.

CVSS 3.1 · 8.4 High EPSS < 1% KEV · Not listed
Vendors
Ibm
Products
Qiskit Sdk
CVE-2026-116499

Arbitrary Code Execution in Qiskit SDK QPY Deserialization

IBM Qiskit SDK 1.4.2 through 2.6.2 could allow a local attacker to execute arbitrary code due to deserialization of untrusted data.

CVSS 3.1 · 8.4 High EPSS < 1% KEV · Not listed
Vendors
Ibm
Products
Qiskit Sdk
CVE-2026-116500

Unbound Recursion in QPY deserialization can lead to denial of service

IBM Qiskit SDK 2.4.0 through 2.6.1 could allow a local attacker to cause a denial of service due to unbound recursion during deserialization of untrusted QPY payloads.

CVSS 3.1 · 6.2 Medium EPSS < 1% KEV · Not listed
Vendors
Ibm
Products
Qiskit Sdk
CVE-2026-19795

Qiskit SDK is vulnerable when deserializing QPY Files and may overflow the available stack space.

Qiskit could allow a local attacker to cause a denial of service due to a stack overflow during deserialization of QPY payloads. A malicious QPY payload can trigger a segmentation fault, causing the application to crash when deserializing untrusted input.

CVSS 3.1 · 6.2 Medium EPSS < 1% KEV · Not listed
Vendors
Ibm
Products
Qiskit Sdk
CVE-2026-4870

Qiskit SDK is vulnerable to specific functions may recurse too deeply and overflow the available stack space, when encountering certain classical expressions.

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 · 7.5 High EPSS < 1% KEV · Not listed
Vendors
Ibm
Products
Qiskit Qiskit Sdk Qiskit Software Development Kit