CVE-2026-43646
Undergoing Analysis Undergoing Analysis - In Progress
Exposure of Sensitive Information in Apache Wicket

Publication date: 2026-05-06

Last updated on: 2026-05-06

Assigner: Apache Software Foundation

Description
Exposure of Sensitive Information to an Unauthorized Actor vulnerability in Apache Wicket. 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.
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Meta Information
Published
2026-05-06
Last Modified
2026-05-06
Generated
2026-06-16
AI Q&A
2026-05-06
EPSS Evaluated
2026-06-15
NVD
CVE-2026-43646
EUVD
EUVD-2026-27651
Affected Vendors & Products
Showing 3 associated CPEs
Vendor Product Version / Range
apache wicket From 10.0.0 (inc) to 10.9.0 (exc)
apache wicket From 8.0.0 (inc) to 8.17.0 (inc)
apache wicket From 9.0.0 (inc) to 9.22.0 (inc)
Helpful Resources
Exploitability
CWE
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KEV
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CWE ID Description
CWE-200 The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information.
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Compliance Impact

The vulnerability in Apache Wicket allows exposure of sensitive information to unauthorized actors by bypassing PackageResourceGuard. Such exposure of sensitive data can potentially lead to non-compliance with data protection regulations like GDPR and HIPAA, which require safeguarding personal and sensitive information from unauthorized access.

Organizations using affected versions of Apache Wicket may face increased risk of data breaches, which could result in regulatory penalties or legal consequences under these standards if the vulnerability is exploited.

Upgrading to Apache Wicket version 10.9.0 or later is recommended to mitigate this risk and help maintain compliance with relevant data protection regulations.

Executive Summary

CVE-2026-43646 is a critical vulnerability in Apache Wicket that allows crafted URLs to bypass the PackageResourceGuard mechanism.

This bypass leads to the exposure of sensitive information to unauthorized actors.

The vulnerability affects Apache Wicket versions 8.0.0 through 8.17.0, 9.0.0 through 9.22.0, and 10.0.0 through 10.8.0.

Users are recommended to upgrade to version 10.9.0 or later to fix this issue.

Impact Analysis

This vulnerability can lead to unauthorized access to sensitive information by attackers who exploit crafted URLs to bypass security controls.

Such exposure can compromise confidentiality and potentially lead to further security breaches depending on the nature of the exposed data.

Mitigation Strategies

The immediate step to mitigate this vulnerability is to upgrade Apache Wicket to version 10.9.0 or later, as this version contains the fix for the issue.

Detection Guidance

CVE-2026-43646 is a vulnerability in Apache Wicket that allows crafted URLs to bypass PackageResourceGuard, exposing sensitive information to unauthorized actors.

Detection would involve monitoring for suspicious or crafted URL requests targeting Apache Wicket applications running affected versions (8.0.0 through 8.17.0, 9.0.0 through 9.22.0, and 10.0.0 through 10.8.0).

However, no specific detection commands or signatures are provided in the available resources.

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