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CVE-2026-100520— Laranode before 1.2.1 Path Traversal in File Manager Upload Endpoint

Quick assessment

Affected
crivion Laranode
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.

Laranode 1.2.1 之前的版本在 POST /filemanager/upload-file 端点中存在路径遍历漏洞，允许经过身份验证的用户在其主目录之外写入任意文件。攻击者可以通过在 path 参数中提供目录遍历序列，将 PHP 文件写入其他租户的 Web 根目录，并模拟这些租户执行代码。

CVSS 8.8 · High EPSS 0.94% · P59
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I. Basic Information for CVE-2026-100520

Vulnerability Information
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Vulnerability Title
Laranode before 1.2.1 Path Traversal in File Manager Upload Endpoint
Source: CVE Program / CVE List V5
Vulnerability Description
Laranode versions before 1.2.1 contain a path traversal vulnerability in the POST /filemanager/upload-file endpoint that allows authenticated users to write arbitrary files outside their home directory. Attackers can supply directory traversal sequences in the path parameter to write PHP files into other tenants' web roots and execute code as those tenants.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A: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

Affected Products

Vendor Product Affected Versions CPE Subscribe
crivion Laranode 0 ~ 1.2.1 -

II. Public POCs for CVE-2026-100520

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III. Intelligence Information for CVE-2026-100520

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Patches & Fixes for CVE-2026-100520 (2)

Vendor Advisories for CVE-2026-100520 (2)

Other References for CVE-2026-100520 (1)

IV. Related Vulnerabilities

Same weakness: CWE-22

V. Comments for CVE-2026-100520

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