CVE-2026-8596

high

Published 2026-05-21 · Modified 2026-05-21

💬 Discuss on Community ✚ Propose mitigation

CVSS v3

7.2

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

CVSS v4 NEW

8.5

CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:N/VA:N/SC:H/SI:H/SA:H/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

VIR risk

7.2

Description

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

Predictions

Exploit likelihood

81%

Patch ETA

—

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

No mitigations published for this CVE yet.

The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.

✚ Propose a mitigation on Community → Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here with source_tier=community-verified.

Package impact

Ecosystem	Package	Vulnerable	Fixed
PyPI	sagemaker	`>=2.199.0,<2.257.2`	`2.257.2`
PyPI	sagemaker	`>=3.0.0,<3.8.0`	`3.8.0`
PIP	sagemaker	`>= 3.0.0, <= 3.7.1`	`3.8.0`
PIP	sagemaker	`>= 2.199.0, <= 2.257.1`	`2.257.2`

Application impact

Vendor	Product	Versions	Fixed
aws	sagemaker-python-sdk

References

CWEs

CWE-312

Community-verified mitigations for this CVE will appear above when contributors publish them.

Verify integrity in audit chain (admin only). AS-IS.