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CVE-2026-116499 ibm qiskit sdk: Deserialization of Untrusted Data

8.4 highEPSS 0.3%

High (8.4) in ibm qiskit sdk. EPSS 0.3% estimated probability of exploitation activity in the next 30 days.

On this page
IBM Qiskit SDK 1.4.2 through 2.6.2 could allow a local attacker to execute arbitrary code due to deserialization of untrusted data.

Severity

CVSS 3.1

8.4 high
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS
0.3% estimated probability of exploitation activity in the next 30 days; 17th percentile. Scored 2026-11-13. A forecast for this CVE across the internet, not for your own systems.
CISA's assessment (SSVC)
Exploitation: none · Automatable: no · Technical impact: total, assessed 2026-11-09. From CISA's Vulnrichment in the CVE List: whether it is exploited, whether exploiting it can be automated, and how much control it gives.
CWE
CWE-502 Deserialization of Untrusted Data
OWASP Top 10
A08:2025 Software or Data Integrity Failures
Published
Modified
Assigned by
ibm (CNA)
NVD analysis
Awaiting analysis
Record from
the NVD, synced

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Affected

  • ibm:qiskit sdk

Versions

From the CNA's record in the CVE List.

ProductAffected
IBM Qiskit SDKfrom 1.4.2 through 2.6.2

Attack patterns (CAPEC)

  • CAPEC-586 Object Injection Likelihood: Medium · Severity: High

The attack patterns MITRE's CAPEC relates to this record's weaknesses, as MITRE names them. Credits.

References

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