CVE-2026-9102— Path Traversal in Altium Enterprise Server ComparisonService Allows Arbitrary File Write
Possible ATT&CK Techniques 3AI
T1068 · Exploitation for Privilege Escalation T1048 · Exfiltration Over Alternative Protocol T1059 · Command and Scripting InterpreterAffected Version Matrix 1
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| Altium | Altium Enterprise Server | < 8.0.4 | affected |
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I. Basic Information for CVE-2026-9102
Vulnerability Information
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Vulnerability Title
Path Traversal in Altium Enterprise Server ComparisonService Allows Arbitrary File Write
Source: NVD (National Vulnerability Database)
Vulnerability Description
A path traversal vulnerability exists in the Altium Enterprise Server ComparisonService due to missing filename sanitization in the Gerber file upload APIs. A regular authenticated workspace user can supply a crafted filename in the multipart Content-Disposition header to escape the intended temporary upload directory and write arbitrary files to any location on the server filesystem. Because content-controlled files can be written to web-accessible directories, this can be escalated to remote code execution in the context of the service account. It can also be used to overwrite application binaries or configuration files, leading to service takeover or denial of service.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
对路径名的限制不恰当(路径遍历)
Source: NVD (National Vulnerability Database)
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Gerber文件上传API中缺少文件名清理，可能导致经过身份验证的工作区用户通过特制文件名逃逸临时上传目录，在服务器文件系统任意位置写入文件。
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-2026-9102
| # | POC Description | Source Link | Shenlong Link |
|---|
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IV. Related Vulnerabilities
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Same weakness: CWE-22
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V. Comments for CVE-2026-9102
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