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CVE-2026-43975— Apache Wicket: Possible malicious path traversal in FolderUploadsFileManager

Quick assessment

Affected
Apache Software Foundation Apache Wicket
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.

Apache Wicket是美国阿帕奇（Apache）基金会的一套开源、轻量、基于组件的框架，它提供了一种面向对象的方式来开发基于Web的动态UI应用程序。 Apache Wicket 8.0.0版本至8.17.0版本、9.0.0版本至9.22.0版本和10.0.0版本至10.8.0版本存在路径遍历漏洞，该漏洞源于FolderUploadsFileManager未验证或清理uploadFieldId参数或clientFileName，可能导致任意文件写入或读取。

AI Predicted 8.2 Difficulty: Easy EPSS 1.00% · P62

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application

Affected Version Matrix 3

VendorProduct Version RangeStatus
Apache Software Foundation Apache Wicket 10.0.0≤ 10.8.0 affected
9.0.0≤ 9.22.0 affected
8.0.0≤ 8.17 affected
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I. Basic Information for CVE-2026-43975

Vulnerability Information
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Vulnerability Title
Apache Wicket: Possible malicious path traversal in FolderUploadsFileManager
Source: CVE Program / CVE List V5
Vulnerability Description
FolderUploadsFileManager in Apache Wicket does not validate or sanitize the uploadFieldId parameter or the clientFileName before constructing file paths, allowing an unauthenticated attacker to write arbitrary files outside the intended upload directory or read files from arbitrary locations on the server. This issue affects Apache Wicket: from 8.0.0 through 8.17.0, from 9.0.0 through 9.22.0, from 10.0.0 through 10.8.0. Users are recommended to upgrade to version 10.9.0, which fixes the issue.
Source: CVE Program / CVE List V5
CVSS Information
N/A
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
Apache Wicket 路径遍历漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Apache Wicket是美国阿帕奇（Apache）基金会的一套开源、轻量、基于组件的框架，它提供了一种面向对象的方式来开发基于Web的动态UI应用程序。 Apache Wicket 8.0.0版本至8.17.0版本、9.0.0版本至9.22.0版本和10.0.0版本至10.8.0版本存在路径遍历漏洞，该漏洞源于FolderUploadsFileManager未验证或清理uploadFieldId参数或clientFileName，可能导致任意文件写入或读取。
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
Apache Software Foundation Apache Wicket 10.0.0 ~ 10.8.0 -

II. Public POCs for CVE-2026-43975

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III. Intelligence Information for CVE-2026-43975

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Patches & Fixes for CVE-2026-43975 (1)

Mailing List Discussions for CVE-2026-43975 (1)

Same Patch Batch · Apache Software Foundation · 2026-05-06 · 4 CVEs total

CVE-2026-43646 Apache Wicket: crafted URLs can bypass PackageResourceGuard
CVE-2026-42509 Apache Wicket: crafted strings can break out of the JavaScript sequence
CVE-2026-40010 Apache Wicket: possible session fixation using AuthenticatedWebSession

IV. Related Vulnerabilities

Same product: Apache Wicket
Same vendor: Apache Software Foundation
Same weakness: CWE-22

V. Comments for CVE-2026-43975

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