Is sagemaker affected by CVE-2026-8596?

PyPI sagemaker is affected in >=2.199.0 =3.0.0 <3.8.0.

Is CVE-2026-8596 being exploited?

Not on the CISA KEV list. EPSS exploit probability is 0.4%.

high

CVE-2026-8596

Q: Is CVE-2026-8596 being exploited?

Not on the CISA KEV list. EPSS exploit probability is 0.4%.

PyPI · sagemaker

Summary

Cleartext storage of HMAC signing key in Amazon SageMaker Python SDK ModelBuilder/Serve path

Severity: high
EPSS: 0.4% (p35)
Also known as: GHSA-7hh5-prp2-mfh5
Published: 2026-05-21

References

https://github.com/aws/sagemaker-python-sdk/security/advisories/GHSA-7hh5-prp2-mfh5
https://nvd.nist.gov/vuln/detail/CVE-2026-8596
https://aws.amazon.com/security/security-bulletins/2026-031-aws

Related advisories

GHSA-5r2p-pjr8-7fh7 — high · PyPI/sagemaker
CVE-2026-1777 — high · PyPI/sagemaker
CVE-2026-1778 — high · PyPI/sagemaker
CVE-2026-8597 — medium · PyPI/sagemaker
CVE-2025-0508 — medium · PyPI/sagemaker

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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.