What is CVE-2026-8596?

CVE-2026-8596 is a high-severity vulnerability in Amazon Sagemaker Python Sdk Aws, classified under Cleartext Storage of Sensitive Information. CVSS score: 7.2/10. Published 2026-05-14.

How severe is CVE-2026-8596?

High severity. CVSS v3 base score is 7.2 out of 10.

Vulnerability in Amazon Sagemaker Python Sdk Aws

CVE-2026-8596

Cleartext storage of sensitive information in the ModelBuilder/Serve component in Amazon SageMaker Python SDK before v2.257.2 and v3 before v3.8.0 might allow a remote authenticated actor to extract the HMAC signing key from SageMaker API…

EPSS: 0.001 (17.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.2 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H.

Affected products

Amazon Sagemaker Python Sdk Aws — versions 2.199.0, 3.0.0

Weakness classification (CWE)

CWE-312 — Cleartext Storage of Sensitive Information

References

ff89ba41-3aa1-4d27-914a-91399e9639e5 (vendor-advisory)
ff89ba41-3aa1-4d27-914a-91399e9639e5 (patch)
ff89ba41-3aa1-4d27-914a-91399e9639e5 (patch)
ff89ba41-3aa1-4d27-914a-91399e9639e5 (third-party-advisory)

Frequently asked questions

What is CVE-2026-8596?: CVE-2026-8596 is a high-severity vulnerability in Amazon Sagemaker Python Sdk Aws, classified under Cleartext Storage of Sensitive Information. CVSS score: 7.2/10. Published 2026-05-14.
How severe is CVE-2026-8596?: High severity. CVSS v3 base score is 7.2 out of 10.