CVE-2026-43646: Apache Wicket: crafted URLs can bypass PackageResourceGuard

Severity: high (CVSS 7.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.4% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-05-06 · updated 2026-10-26
Weakness: CWE-200

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.

Affected products

Apache Software Foundation Apache Wicket: from 8.0.0 through 8.17.0; from 9.0.0 through 9.22.0; from 10.0.0 before 10.9.0 — fixed in 10.9.0

How to fix

Upgrade to a fixed version: Apache Software Foundation Apache Wicket 10.9.0. Check the vendor advisory for mitigations.

References

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