Is pyo3 affected by GHSA-47qc-857f-7w7f?

crates.io pyo3 is affected in >=0.28.0 <0.28.2.

Is GHSA-47qc-857f-7w7f being exploited?

Not on the CISA KEV list. EPSS exploit probability is not available.

high

GHSA-47qc-857f-7w7f

Q: Is GHSA-47qc-857f-7w7f being exploited?

Not on the CISA KEV list. EPSS exploit probability is not available.

crates.io · pyo3

Summary

PyO3 has type confusion when accessing data from sublasses of subclasses of native types with `abi3` feature

Severity: high
Also known as: RUSTSEC-2026-0013
Published: 2026-02-19

References

https://github.com/PyO3/pyo3/pull/5807#issuecomment-3913251784
https://github.com/PyO3/pyo3/commit/75abd8602896b350fd8c778e52e0a74b4644ccca
https://github.com/PyO3/pyo3

Related advisories

GHSA-36hh-v3qg-5jq4 — high · crates.io/pyo3
GHSA-chgr-c6px-7xpp — medium · crates.io/pyo3
GHSA-pph8-gcv7-4qj5 — medium · crates.io/pyo3
GHSA-vxcf-c7mx-pg53 — medium · crates.io/pyo3
CVE-2024-9979 — medium · crates.io/pyo3

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Sources: CISA KEV (public domain), OSV.dev & GitHub Advisory Database (CC-BY-4.0), FIRST EPSS, NVD/CWE (public domain). Served live from the Stateward advisory database.