CVE-2025-2000 CRITICAL

CVE-2025-2000: Qiskit SDK code execution

Vendor Ibm
Product Qiskit SDK
Weakness CWE-502 · Unsafe deserialization
Published March 14, 2025
Last update February 26, 2026

CVSS base score

9.8/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality High
Integrity High

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

What the vulnerability does

01Description

A maliciously crafted QPY file can potential execute arbitrary-code embedded in the payload without privilege escalation when deserialising QPY formats < 13. A python process calling Qiskit 0.18.0 through 1.4.1's `qiskit.qpy.load()` function could potentially execute any arbitrary Python code embedded in the correct place in the binary file as part of specially constructed payload.

Key dates

02Disclosure timeline

March 14, 2025 CVE published
February 26, 2026 Record updated