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CVE-2026-14439— Path Traversal in Altium Git Service Allows Remote Code Execution

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 8.1.1之前版本存在安全漏洞，该漏洞源于Git Service组件未对用户提供的路径进行验证，允许经过身份验证且具有基本git访问权限的攻击者将任意文件移动到预期仓库区域之外，并利用此文件移动原语将攻击者控制的脚本内容放入后续由服务执行的目录中，导致远程代码执行。

AI Predicted 9.8 Difficulty: Easy EPSS 0.71% · P52

Affected Version Matrix 2

VendorProduct Version RangeStatus
Altium Altium 365 unspecified affected
Altium Altium Enterprise Server < 8.1.1 affected
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I. Basic Information for CVE-2026-14439

Vulnerability Information
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Vulnerability Title
Path Traversal in Altium Git Service Allows Remote Code Execution
Source: CVE Program / CVE List V5
Vulnerability Description
A path traversal vulnerability exists in the Git Service component shared by Altium Enterprise Server and Altium 365. The service accepts a sequence of post-clone file-manipulation operations that use user-supplied paths without validation, allowing an authenticated user with basic git access to move arbitrary files outside the intended repository area. This file-move primitive can be used to place attacker-controlled script content into directories where it is later executed by the service, resulting in remote code execution under the Git Service account. On multi-tenant Altium 365 deployments, this could have allowed access to data belonging to other tenants on the same infrastructure node. Altium Enterprise Server is fixed in 8.1.1; the issue has been remediated in Altium 365 (commercial and government cloud) at the service level.
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 8.1.1之前版本存在安全漏洞，该漏洞源于Git Service组件未对用户提供的路径进行验证，允许经过身份验证且具有基本git访问权限的攻击者将任意文件移动到预期仓库区域之外，并利用此文件移动原语将攻击者控制的脚本内容放入后续由服务执行的目录中，导致远程代码执行。
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 ~ 8.1.1 -
Altium Altium 365 unspecified -

II. Public POCs for CVE-2026-14439

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III. Intelligence Information for CVE-2026-14439

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IV. Related Vulnerabilities

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

V. Comments for CVE-2026-14439

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