CVE-2026-43646
Exposure of Sensitive Information in Apache Wicket
Publication date: 2026-05-06
Last updated on: 2026-05-06
Assigner: Apache Software Foundation
Description
Description
CVSS Scores
EPSS Scores
| Probability: | |
| Percentile: |
Meta Information
Affected Vendors & Products
| 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 ID | Description |
|---|---|
| CWE-200 | The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. |
Attack-Flow Graph
AI Powered Q&A
Can you explain this vulnerability to me?
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.
How can this vulnerability impact me? :
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.
What immediate steps should I take to mitigate this vulnerability?
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.
How can this vulnerability be detected on my network or system? Can you suggest some commands?
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.
How does this vulnerability affect compliance with common standards and regulations (like GDPR, HIPAA)?:
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.