CVE-2026-43646 Apache Wicket: crafted URLs can bypass PackageResourceGuard
Attackers can bypass resource guards to access sensitive information in applications using the Apache Wicket framework.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2026-43646?
CVE-2026-43646 is a high-severity vulnerability in Apache Wicket, published on 6 May 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official 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.
Weakness: CWE-200
Which versions are affected by CVE-2026-43646?
6 open source packages ship an affected version, including org.apache.wicket:wicket-parent. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
org.apache.wicket:wicket-parent Maven | From 10.0.0-M1 | 10.9.0 |
org.apache.wicket:wicket-parent Maven | From 10.0.0-M1 | 10.9.0 |
org.apache.wicket:wicket-parent Maven | From 8.0.0-M1 to 8.17.0 | None |
org.apache.wicket:wicket-parent Maven | From 8.0.0-M1 to 8.17.0 | None |
org.apache.wicket:wicket-parent Maven | From 9.0.0-M1 to 9.22.0 | None |
org.apache.wicket:wicket-parent Maven | From 9.0.0-M1 to 9.22.0 | None |
Products include Apache Wicket.
How do I fix CVE-2026-43646?
Upgrade org.apache.wicket:wicket-parent to 10.9.0 or later.
Is CVE-2026-43646 being exploited?
There is no known exploitation of CVE-2026-43646 in the wild and no public exploit code.
Other vulnerabilities in Apache Wicket
- CVE-2024-36522 Apache Wicket: Remote code execution via XSLT injection
- CVE-2026-40010 Apache Wicket: possible session fixation using AuthenticatedWebSession
- CVE-2016-6793 Deserialization in n/a
- CVE-2016-6806 Apache Wicket vulnerable to CSRF attacks
- CVE-2026-71257 Apache Wicket: Configured file upload limits are not enforced when the multipart request has already been parsed
Sources
Also known as GHSA-jvv4-8wxx-m5r6.