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CVE-2026-9129— Path Traversal in Altium Enterprise Server Viewer StorageController Allows Arbitrary File Read

Quick assessment

Affected
Altium Altium Enterprise Server
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.

Altium Enterprise Server是美国Altium公司的一款本地化数据管理服务器。 Altium Enterprise Server存在路径遍历漏洞，该漏洞源于文件路径路由参数处理不当，可能导致经过身份验证的用户通过URL编码的绝对路径读取服务器文件系统任意文件。

AI Predicted 9.1 Difficulty: Easy EPSS 0.24% · P15

Possible ATT&CK Techniques 1 AI

T1530 · Data from Cloud Storage

Affected Version Matrix 1

VendorProduct Version RangeStatus
Altium Altium Enterprise Server < 8.0.4 affected
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I. Basic Information for CVE-2026-9129

Vulnerability Information
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Vulnerability Title
Path Traversal in Altium Enterprise Server Viewer StorageController Allows Arbitrary File Read
Source: CVE Program / CVE List V5
Vulnerability Description
A path traversal vulnerability exists in the Altium Enterprise Server Viewer StorageController due to improper handling of file path route parameters. On on-premise deployments that use local filesystem storage, a regular authenticated user can supply a URL-encoded absolute path (such as an encoded drive letter) in a Viewer storage API request, causing the configured storage root to be discarded and allowing arbitrary files to be read from the server filesystem. Because the readable files include the server's master configuration, which stores database credentials, signing key locations, certificate passwords, and OAuth secrets, exploitation can lead to disclosure of all server secrets and full compromise of the server and its data. Cloud deployments are not affected, as they use object storage and do not enable this component.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H
Source: CVE Program / CVE List V5
Vulnerability Type
对路径名的限制不恰当(路径遍历)
Source: CVE Program / CVE List V5
Vulnerability Title
Altium Enterprise Server 路径遍历漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Altium Enterprise Server是美国Altium公司的一款本地化数据管理服务器。 Altium Enterprise Server存在路径遍历漏洞，该漏洞源于文件路径路由参数处理不当，可能导致经过身份验证的用户通过URL编码的绝对路径读取服务器文件系统任意文件。
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
Altium Altium Enterprise Server 0 ~ 8.0.4 -

II. Public POCs for CVE-2026-9129

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III. Intelligence Information for CVE-2026-9129

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IV. Related Vulnerabilities

Same product: Altium Enterprise Server
Same vendor: Altium
Same weakness: CWE-22

V. Comments for CVE-2026-9129

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