CVE-2026-116501 json
Qiskit SDK C API may trigger an out of bounds write on accessing the unitary matrix with qk_circuit_inst_unitary().
published 2026-11-08 10 h ago modified 2026-11-09 1 h ago also EUVD-2026-119683
- cvss
- 8.4
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- —
- no EPSS score yet
- public exploits
- 0
- none known
Summary
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.
Patch / fix
- ibm.com/support/pages/node/7295237 advisory
CISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- total
- Assessed
- 1 h ago
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 8.4 | CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
Affected products
- IBM Qiskit SDK
Classification
- Weakness
-
- CWE-787 Out-of-bounds Write
References
-
ibm.com
/support/pages/node/7295237
vendor-advisory, patch
Sources
- CVE List CVE-2026-116501
- NVD CVE-2026-116501
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