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CVE-2026-104019— OS command injection in the Studio Space startup validation script in Amazon SageMaker Distribution when running on Amazon SageMaker Unified Studio

Quick assessment

Affected
AWS sagemaker-distribution
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

以下是对该漏洞描述信息的中文翻译： 漏洞概述 在 Amazon SageMaker Distribution 2.x（2.14.12 之前版本）、3.x（3.9.12 之前版本）、4.0.x（4.0.11 之前版本）、4.1.x（4.1.11 之前版本）、4.2.x（4.2.8 之前版本）、4.3.x（4.3.5 之前版本）以及 4.4.x（4.4.3 之前版本）中，Amazon SageMaker Unified Studio 所使用的 Studio Space 启动验证脚本存在 OS 命令注入漏洞。攻击者可以通

CVSS 9.0 · Critical

Possible ATT&CK Techniques 1 AI

T1059 · Command and Scripting Interpreter
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I. Basic Information for CVE-2026-104019

Vulnerability Information
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Vulnerability Title
OS command injection in the Studio Space startup validation script in Amazon SageMaker Distribution when running on Amazon SageMaker Unified Studio
Source: CVE Program / CVE List V5
Vulnerability Description
OS command injection in the Studio Space startup validation script in Amazon SageMaker Distribution 2.x before 2.14.12, 3.x before 3.9.12, 4.0.x before 4.0.11, 4.1.x before 4.1.11, 4.2.x before 4.2.8, 4.3.x before 4.3.5, and 4.4.x before 4.4.3, as used by Amazon SageMaker Unified Studio, might allow an authenticated remote user with project contributor permissions to execute arbitrary commands in another project member's Studio Space and obtain that member's temporary execution role credentials via a crafted connection resource property that is interpolated into a shell invocation without neutralization. To remediate this issue, users should upgrade to version 2.14.12, 3.9.12, 4.0.11, 4.1.11, 4.2.8, 4.3.5, or 4.4.3, as applicable to the minor line in use. Users on minor lines that have reached end of support must move to a supported minor line, because no patched version will be released for those lines. In Amazon SageMaker Unified Studio, Studio Spaces adopt the latest patch of their minor line on restart once the patched images are deployed, so no version selection is required.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
OS命令中使用的特殊元素转义处理不恰当(OS命令注入)
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
AWS sagemaker-distribution 2.8.0 ~ 2.14.12 -

II. Public POCs for CVE-2026-104019

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III. Intelligence Information for CVE-2026-104019

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Vendor Advisories for CVE-2026-104019 (2)

Vendor Pages for CVE-2026-104019 (1)

Same Patch Batch · AWS · 2026-10-02 · 4 CVEs total

CVE-2026-103956 10.0 CRITICAL Missing authentication for critical function in Loom for AWS
CVE-2026-103958 7.6 HIGH Server-side request forgery in the tool server and remote agent connection handling in Loo
CVE-2026-103957 6.2 MEDIUM Server-side request forgery in the OAuth2 discovery handling in Loom for AWS

IV. Related Vulnerabilities

Same vendor: AWS
Same weakness: CWE-78

V. Comments for CVE-2026-104019

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