Is horovod affected by CVE-2026-31234?

PyPI horovod is affected in <=0.28.1.

Is CVE-2026-31234 being exploited?

Not on the CISA KEV list. EPSS exploit probability is 0.7%.

critical

CVE-2026-31234

Q: Is CVE-2026-31234 being exploited?

Not on the CISA KEV list. EPSS exploit probability is 0.7%.

PyPI · horovod

Summary

Horovod contains an insecure deserialization vulnerability in its KVStore HTTP server component

Severity: critical
EPSS: 0.7% (p48)
Also known as: GHSA-mf8f-x4r3-jm8c
Published: 2026-05-12

References

https://nvd.nist.gov/vuln/detail/CVE-2026-31234
https://github.com/horovod/horovod
https://www.notion.so/CVE-2026-31234-35d1e139318881d585cde508b9d2453c

Related advisories

CVE-2024-10190 — critical · PyPI/horovod

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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.