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CVE-2026-73244— kkFileView: Unauthenticated path traversal in POST /listFiles allows arbitrary directory listing

Quick assessment

Affected
kekingcn kkFileView
Exploitation
Public or AI PoC available; prioritize validation
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

kekingcn kkFileView是kekingcn组织的一款文件预览中间件。 kekingcn kkFileView 5.0.1之前版本存在路径遍历漏洞，该漏洞源于未认证的POST /listFiles端点将用户控制的路径参数传递给Files.newDirectoryStream且未限制在demo目录，可能导致目录枚举。

CVSS 5.3 · Medium EPSS 0.44% · P36

Possible ATT&CK Techniques 1 AI

T1083 · File and Directory Discovery

Affected Version Matrix 1

VendorProduct Version RangeStatus
kekingcn kkFileView < 5.0.1 affected
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I. Basic Information for CVE-2026-73244

Vulnerability Information
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Vulnerability Title
kkFileView: Unauthenticated path traversal in POST /listFiles allows arbitrary directory listing
Source: CVE Program / CVE List V5
Vulnerability Description
kkFileView is a universal file online preview project based on Spring Boot. Prior to 5.0.1, the unauthenticated POST /listFiles endpoint in server/src/main/java/cn/keking/web/controller/FileController.java passes the user-controlled path parameter from FileController#getFiles to Files.newDirectoryStream without confinement to the demo directory, allowing directory enumeration outside the intended root. This issue is fixed in version 5.0.1.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
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
kekingcn kkFileView 路径遍历漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
kekingcn kkFileView是kekingcn组织的一款文件预览中间件。 kekingcn kkFileView 5.0.1之前版本存在路径遍历漏洞，该漏洞源于未认证的POST /listFiles端点将用户控制的路径参数传递给Files.newDirectoryStream且未限制在demo目录，可能导致目录枚举。
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
kekingcn kkFileView < 5.0.1 -

II. Public POCs for CVE-2026-73244

# POC Description Source Link Shenlong Link
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default-local-qwen3.6 · 3723 chars
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III. Intelligence Information for CVE-2026-73244

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Patches & Fixes for CVE-2026-73244 (1)

Vendor Advisories for CVE-2026-73244 (1)

Vendor Pages for CVE-2026-73244 (1)

IV. Related Vulnerabilities

Same product: kkFileView
Same vendor: kekingcn
Same weakness: CWE-22

V. Comments for CVE-2026-73244

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