CVE-2026-8597

HIGHNVD 7.27.2—
EchelonGraph scoreMEDIUM confidence

This high-severity CVE scores 7.2 under NVD CVSS v3. EPSS exploit probability: 0.4%, top 69% of all CVEs by exploit prediction. GitHub Security Advisory data not yet ingested — confidence will rise once GHSA publishes (typical lag: hours to days for open-source ecosystem CVEs; never for infrastructure-only CVEs).

Triggered by: NVD CVSS baseline
Sources: epss, nvd
7.2
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS: 0%CVSS: 7.2Exploit: NoneExposed: 0

No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.

Missing integrity verification in the Triton inference handler in Amazon SageMaker Python SDK v2 before v2.257.2 and v3 before v3.8.0 might allow a remote authenticated actor to achieve code execution in inference containers via replacement of model artifacts in S3 with a specially crafted pickle payload that is deserialized without verification. This issue requires a remote authenticated actor with S3 write access to the model artifact path.

To remediate this issue, we recommend upgrading to Amazon SageMaker Python SDK v2.257.2 or v3.8.0 and rebuild any Triton models previously created with ModelBuilder using the updated SDK.

CVSS v3
7.2
EG Score
7.2(medium)
EPSS
31.0%
KEV
Not listed

Published

May 14, 2026

Last Modified

May 15, 2026

Advisory Details (4)

Auto-updated May 15, 2026
Patch available. Sources: github.
github Patch Available

Missing integrity verification in Triton inference handler in Amazon SageMaker Python SDK · Advisory · aws/sagemaker-python-sdk · GitHub

https://github.com/aws/sagemaker-python-sdk/security/advisories/GHSA-rq6v-x3j8-7qgf
generic

Release v3.8.0 (2026-04-16) · aws/sagemaker-python-sdk · GitHub

https://github.com/aws/sagemaker-python-sdk/releases/tag/v3.8.0
generic

Release Release v2.257.2 · aws/sagemaker-python-sdk · GitHub

https://github.com/aws/sagemaker-python-sdk/releases/tag/v2.257.2
generic

CVE-2026-8596 and CVE-2026-8597: Issue with Amazon SageMaker Python SDK - Model artifact integrity verification issues

https://aws.amazon.com/security/security-bulletins/2026-031-aws/

Vendor Advisories for CVE-2026-8597(2)

These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.

Affected Packages

(1 across 1 ecosystem)
PyPI(1)
PackageVulnerable rangeFixed inDependents
sagemaker3.0 ... 3.7.1 (13 versions)3.8.0—

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Data Freshness Timeline

(refreshed 10× in last 7d / 61× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

  1. 2026-07-06 16:27 UTCEPSS rescore
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  1. 2026-06-21 01:59 UTCEPSS rescore
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  21. 2026-06-12 16:18 UTCEG score recompute
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Frequently asked(5)

What is CVE-2026-8597?
CVE-2026-8597 is a high vulnerability published on May 14, 2026. Missing integrity verification in the Triton inference handler in Amazon SageMaker Python SDK v2 before v2.257.2 and v3 before v3.8.0 might allow a remote authenticated actor to achieve code execution in inference containers via replacement of model artifacts in S3 with a specially crafted pickle…
When was CVE-2026-8597 disclosed?
CVE-2026-8597 was first published in the National Vulnerability Database on May 14, 2026, with the most recent update on May 15, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-8597 actively exploited?
CVE-2026-8597 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 31.0% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2026-8597?
CVE-2026-8597 has a CVSS v3 base score of 7.2 (NVD).
How do I remediate CVE-2026-8597?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-8597, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

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