Qiskit SDK denial of service
Priority MEDIUM 44CWE-502Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Code execution
- Confidentiality · integrity · availability
- None · None · High
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA and GitHub. Impact type from CWE-502.
Summary
Qiskit SDK 0.45.0 through 1.2.4 could allow a remote attacker to cause a denial of service using a maliciously crafted QPY file containing a malformed symengine serialization stream which can cause a segfault within the symengine library.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.0072 54th percentileScored 2026-11-07
Fix Fixed qiskit (PyPI): 1.3.0
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- Yes
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| IBM | Qiskit SDK | 0.45.0 – 1.2.4 | — | No fix listed | CNA |
| — | qiskit (PyPI) | 0.45.0 to before 1.3.0 | 1.3.0 | Patch available | GHSA-fpmr-m242-xm7x |
| — | qiskit-terra (PyPI) | 0.45.0 – 0.46.3 | — | No fix listed | GHSA-fpmr-m242-xm7x |
- Qiskit SDK VendorIBM Affected 0.45.0 – 1.2.4 Fixed in — No fix listed CNA
- qiskit (PyPI) Vendor— Affected 0.45.0 to before 1.3.0 Fixed in 1.3.0 Patch available GHSA-fpmr-m242-xm7x
- qiskit-terra (PyPI) Vendor— Affected 0.45.0 – 0.46.3 Fixed in — No fix listed GHSA-fpmr-m242-xm7x
Remediation
- Fix · GHSA-fpmr-m242-xm7x qiskit (PyPI) Fixed in 1.3.0 Advisory →
Timeline
- 2026-10-02 Threatist record created from CVE-2025-1403
- 2026-10-03 Alias added: GHSA-fpmr-m242-xm7x
References
More IBM Qiskit vulnerabilities
- TI-2025-01739 Qiskit SDK code execution CVSS 3.1CRITICAL 9.8
Sources
- CVE-2025-1403 · CVE Program
- CVE-2025-1403 · NVD
- FIRST EPSS
- GHSA-fpmr-m242-xm7x · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences