9.8
Critical
CVE-2025-2000 A maliciously crafted QPY file can potential execute arbitrary-code embedded in the payload without privilege escalation…
Description
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.
Affected products and versions
| Product | Affected versions | Fixed in |
|---|---|---|
| Qiskit SDK 0.18 | 0.18.0 → 1.4.1 | No fix stated |
Other CVEs of Qiskit SDK
The 4 CVEs of Qiskit SDK →
CVE-2026-19795
Qiskit could allow a local attacker to cause a denial of service due to a stack overflow during deserialization of QPY…
6.2
Medium
CVE-2026-4870
IBM Qiskit SDK 0.43.0 through 2.5.0 could allow an attacker to trigger a segmentation fault leading to a denial of…
7.5
High
CVE-2025-1403
Qiskit SDK 0.45.0 through 1.2.4 could allow a remote attacker to cause a denial of service using a maliciously crafted…
8.6
High