Vulnerability DatabaseCVE-2026-116501
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CVE-2026-116501
Published:November 08, 2026
Updated:November 09, 2026
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.
Affected Packages
qiskit (CONDA):
Affected version(s) >=2.4.0 <2.6.2
Fix Suggestion:
Update to version 2.6.2
https://github.com/Qiskit/qiskit.git (GITHUB):
Affected version(s) >=2.4.0rc1 <2.6.2
Fix Suggestion:
Update to version 2.6.2
qiskit (PYTHON):
Affected version(s) >=2.4.0rc1 <2.6.2
Fix Suggestion:
Update to version 2.6.2
Related Resources (1)
https://www.ibm.com/support/pages/node/7295237
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CVSS v4
Base Score:
8.6
Attack Vector
LOCAL
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
NONE
User Interaction
NONE
Vulnerable System Confidentiality
HIGH
Vulnerable System Integrity
HIGH
Vulnerable System Availability
HIGH
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
8.4
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Weakness Type (CWE)
Out-of-bounds Write
CWE-787