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CVE-2025-3048— Path Traversal in AWS SAM CLI allows file copy to local cache

Quick assessment

Affected
AWS AWS Serverless Application Model Command Line Interface
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.

AWS SAM CLI是Amazon Web Services开源的一个使用 AWS SAM 构建、测试、调试和部署无服务器应用程序的 CLI 工具。 AWS SAM CLI存在安全漏洞，该漏洞源于符号链接内容可能被复制到本地工作区缓存。

CVSS 6.5 · Medium EPSS 0.66% · P50

Possible ATT&CK Techniques 1 AI

T1552.007 · Container API
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I. Basic Information for CVE-2025-3048

Vulnerability Information
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Vulnerability Title
Path Traversal in AWS SAM CLI allows file copy to local cache
Source: CVE Program / CVE List V5
Vulnerability Description
After completing a build with AWS Serverless Application Model Command Line Interface (SAM CLI) which include symlinks, the content of those symlinks are copied to the cache of the local workspace as regular files or directories. As a result, a user who does not have access to those symlinks outside of the Docker container would now have access via the local workspace. Users should upgrade to version 1.134.0 and ensure any forked or derivative code is patched to incorporate the new fixes. After upgrading, users must re-build their applications using the sam build --use-container to update the symlinks.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
CWE-61
Source: CVE Program / CVE List V5
Vulnerability Title
AWS SAM CLI 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
AWS SAM CLI是Amazon Web Services开源的一个使用 AWS SAM 构建、测试、调试和部署无服务器应用程序的 CLI 工具。 AWS SAM CLI存在安全漏洞，该漏洞源于符号链接内容可能被复制到本地工作区缓存。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
AWS AWS Serverless Application Model Command Line Interface 1.9.0 ~ 1.134.0 -

II. Public POCs for CVE-2025-3048

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III. Intelligence Information for CVE-2025-3048

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Other References for CVE-2025-3048 (1)

IV. Related Vulnerabilities

Same product: AWS Serverless Application Model Command Line Interface
Same vendor: AWS
Same weakness: CWE-61

V. Comments for CVE-2025-3048

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