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Vulnerability Details :

CVE-2026-8597

Summary
Assigner-AMZN
Assigner Org ID-ff89ba41-3aa1-4d27-914a-91399e9639e5
Published At-14 May, 2026 | 19:37
Updated At-16 May, 2026 | 03:56
Rejected At-
Credits

Missing integrity verification in Triton inference handler in Amazon SageMaker Python SDK

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.

Vendors
-
Not available
Products
-
Metrics (CVSS)
VersionBase scoreBase severityVector
Weaknesses
Attack Patterns
Solution/Workaround
References
HyperlinkResource Type
EPSS History
Score
Latest Score
-
N/A
No data available for selected date range
Percentile
Latest Percentile
-
N/A
No data available for selected date range
Stakeholder-Specific Vulnerability Categorization (SSVC)
▼Common Vulnerabilities and Exposures (CVE)
cve.org
Assigner:AMZN
Assigner Org ID:ff89ba41-3aa1-4d27-914a-91399e9639e5
Published At:14 May, 2026 | 19:37
Updated At:16 May, 2026 | 03:56
Rejected At:
▼CVE Numbering Authority (CNA)
Missing integrity verification in Triton inference handler in Amazon SageMaker Python SDK

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.

Affected Products
Vendor
Amazon SageMaker Python SDK
Product
AWS
Default Status
unaffected
Versions
Affected
  • From 2.199.0 through 2.257.1 (custom)
  • From 3.0.0 through 3.7.1 (custom)
Problem Types
TypeCWE IDDescription
CWECWE-354CWE-354 Improper validation of integrity check value
Type: CWE
CWE ID: CWE-354
Description: CWE-354 Improper validation of integrity check value
Metrics
VersionBase scoreBase severityVector
3.17.2HIGH
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
4.06.4MEDIUM
CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:N/VI:N/VA:N/SC:H/SI:H/SA:H
Version: 3.1
Base score: 7.2
Base severity: HIGH
Vector:
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Version: 4.0
Base score: 6.4
Base severity: MEDIUM
Vector:
CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:N/VI:N/VA:N/SC:H/SI:H/SA:H
Metrics Other Info
Impacts
CAPEC IDDescription
CAPEC-586CAPEC-586 Object Injection
CAPEC ID: CAPEC-586
Description: CAPEC-586 Object Injection
Solutions

Configurations

Workarounds

Exploits

Credits

Timeline
EventDate
Replaced By

Rejected Reason

References
HyperlinkResource
https://github.com/aws/sagemaker-python-sdk/releases/tag/v2.257.2
patch
https://github.com/aws/sagemaker-python-sdk/releases/tag/v3.8.0
patch
https://aws.amazon.com/security/security-bulletins/2026-031-aws/
vendor-advisory
https://github.com/aws/sagemaker-python-sdk/security/advisories/GHSA-rq6v-x3j8-7qgf
third-party-advisory
Hyperlink: https://github.com/aws/sagemaker-python-sdk/releases/tag/v2.257.2
Resource:
patch
Hyperlink: https://github.com/aws/sagemaker-python-sdk/releases/tag/v3.8.0
Resource:
patch
Hyperlink: https://aws.amazon.com/security/security-bulletins/2026-031-aws/
Resource:
vendor-advisory
Hyperlink: https://github.com/aws/sagemaker-python-sdk/security/advisories/GHSA-rq6v-x3j8-7qgf
Resource:
third-party-advisory
▼Authorized Data Publishers (ADP)
CISA ADP Vulnrichment
Affected Products
Metrics
VersionBase scoreBase severityVector
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions

Configurations

Workarounds

Exploits

Credits

Timeline
EventDate
Replaced By

Rejected Reason

References
HyperlinkResource
Information is not available yet
▼National Vulnerability Database (NVD)
nvd.nist.gov
Source:ff89ba41-3aa1-4d27-914a-91399e9639e5
Published At:14 May, 2026 | 20:17
Updated At:15 May, 2026 | 14:10

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.

CISA Catalog
Date AddedDue DateVulnerability NameRequired Action
N/A
Date Added: N/A
Due Date: N/A
Vulnerability Name: N/A
Required Action: N/A
Metrics
TypeVersionBase scoreBase severityVector
Secondary4.06.4MEDIUM
CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:N/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
Secondary3.17.2HIGH
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Type: Secondary
Version: 4.0
Base score: 6.4
Base severity: MEDIUM
Vector:
CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:N/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
Type: Secondary
Version: 3.1
Base score: 7.2
Base severity: HIGH
Vector:
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
CPE Matches

Weaknesses
CWE IDTypeSource
CWE-354Secondaryff89ba41-3aa1-4d27-914a-91399e9639e5
CWE ID: CWE-354
Type: Secondary
Source: ff89ba41-3aa1-4d27-914a-91399e9639e5
Evaluator Description

Evaluator Impact

Evaluator Solution

Vendor Statements

References
HyperlinkSourceResource
https://aws.amazon.com/security/security-bulletins/2026-031-aws/ff89ba41-3aa1-4d27-914a-91399e9639e5
N/A
https://github.com/aws/sagemaker-python-sdk/releases/tag/v2.257.2ff89ba41-3aa1-4d27-914a-91399e9639e5
N/A
https://github.com/aws/sagemaker-python-sdk/releases/tag/v3.8.0ff89ba41-3aa1-4d27-914a-91399e9639e5
N/A
https://github.com/aws/sagemaker-python-sdk/security/advisories/GHSA-rq6v-x3j8-7qgfff89ba41-3aa1-4d27-914a-91399e9639e5
N/A
Hyperlink: https://aws.amazon.com/security/security-bulletins/2026-031-aws/
Source: ff89ba41-3aa1-4d27-914a-91399e9639e5
Resource: N/A
Hyperlink: https://github.com/aws/sagemaker-python-sdk/releases/tag/v2.257.2
Source: ff89ba41-3aa1-4d27-914a-91399e9639e5
Resource: N/A
Hyperlink: https://github.com/aws/sagemaker-python-sdk/releases/tag/v3.8.0
Source: ff89ba41-3aa1-4d27-914a-91399e9639e5
Resource: N/A
Hyperlink: https://github.com/aws/sagemaker-python-sdk/security/advisories/GHSA-rq6v-x3j8-7qgf
Source: ff89ba41-3aa1-4d27-914a-91399e9639e5
Resource: N/A

Change History

0
Information is not available yet

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Improper Validation of Integrity Check Value
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Matching Score-4
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Known To Be Used In Ransomware Campaigns?-Not Available
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EPSS-0.26% / 49.02%
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7 Day CHG~0.00%
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Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

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Details not found