# IBM Qiskit SDK.

Every CVE that names IBM Qiskit SDK among its affected products, newest first. Vendors and products are as the CNA wrote them.

## Records, newest first

- [Qiskit SDK C API may trigger an out of bounds write on accessing the unitary matrix with qk_circuit_inst_unitary().](https://agentprime.io/advisories/CVE-2026-116501.md)
  `CVE-2026-116501` · CVE record: IBM Qiskit SDK · CVSS 8.4 High · Not analysed yet · Published 8 Nov 2026 · Tags: Memory corruption
- [Unbound Recursion in QPY deserialization can lead to denial of service](https://agentprime.io/advisories/CVE-2026-116500.md)
  `CVE-2026-116500` · CVE record: IBM Qiskit SDK · CVSS 6.2 Medium · Not analysed yet · Published 8 Nov 2026 · Tags: Insecure deserialization
- [Arbitrary Code Execution in Qiskit SDK QPY Deserialization](https://agentprime.io/advisories/CVE-2026-116499.md)
  `CVE-2026-116499` · CVE record: IBM Qiskit SDK · CVSS 8.4 High · Not analysed yet · Published 8 Nov 2026 · Tags: Insecure deserialization
- [Qiskit SDK is vulnerable when deserializing QPY Files and may overflow the available stack space.](https://agentprime.io/advisories/CVE-2026-19795.md)
  `CVE-2026-19795` · CVE record: IBM Qiskit SDK · CVSS 6.2 Medium · Not analysed yet · Published 3 Sept 2026 · Tags: Insecure deserialization
- [Qiskit SDK is vulnerable to specific functions may recurse too deeply and overflow the available stack space, when encountering certain classical expressions.](https://agentprime.io/advisories/CVE-2026-4870.md)
  `CVE-2026-4870` · CVE record: IBM Qiskit SDK · CVSS 7.5 High · Not analysed yet · Published 12 Jun 2026 · Tags: Denial of service

## Filters and formats

Filters are query parameters on this URL: `q` (words, as in a web search engine: `"a phrase"`, `OR`, `-word`; an id; a package or product name), `severity` (low, medium, high or critical), `critical=1`, `kev=1`, `ecosystem` (npm, pypi, packagist, go, maven, rubygems, crates, nuget, hex), `kind=package`, `assigner` (a CNA’s short name), `min_score` and `state`. Each record’s title links to its Markdown page.

- The same list as JSON: <https://api.agentprime.io/v1/advisories?technology=ibm-qiskit-sdk>
- Every list: <https://agentprime.io/advisories.md>, critical: <https://agentprime.io/advisories/critical.md>; by weakness: <https://agentprime.io/advisories/tag/sql-injection.md> and the other tags in <https://agentprime.io/llms.txt>; by technology: `/advisories/technology/<slug>.md` (`fortinet-fortimail`)

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The web page: <https://agentprime.io/advisories/technology/ibm-qiskit-sdk/>. Everything for agents: <https://agentprime.io/llms.txt>.