CVE-2026-116500 json
Unbound Recursion in QPY deserialization can lead to denial of service
published 2026-11-08 10 h ago modified 2026-11-08 10 h ago also EUVD-2026-119684
- cvss
- 6.2
- 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 cause a denial of service due to unbound recursion during deserialization of untrusted QPY payloads.
Patch / fix
- ibm.com/support/pages/node/7295235 advisory
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 6.2 | CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
| NVD | 3.1 | 6.2 | CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
Affected products
- IBM Qiskit SDK
Classification
- Weakness
-
- CWE-502 Deserialization of Untrusted Data
References
-
ibm.com
/support/pages/node/7295235
vendor-advisory, patch
Sources
- CVE List CVE-2026-116500
- NVD CVE-2026-116500
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