CVE-2026-66391
Received Received - Intake

Insufficient Randomness in Apache Wicket

Publication date: 2026-07-27

Last updated on: 2026-07-27

Assigner: Apache Software Foundation

Description
Use of Insufficiently Random Values, Protection Mechanism Failure vulnerability in Apache Wicket. This issue affects Apache Wicket: from 9.0.0 through 9.23.0, from 10.0.0 through 10.9.0. Users are recommended to upgrade to version 10.10.0, which fixes the issue.

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Meta Information

Published
2026-07-27
Last Modified
2026-07-27
Generated
2026-07-27
AI Q&A
2026-07-27
EPSS Evaluated
N/A
NVD
CVE-2026-66391
EUVD
EUVD-2026-49368

Affected Vendors & Products

Showing 3 associated CPEs
Vendor Product Version / Range
apache wicket From 9.0.0 (inc) to 9.23.0 (inc)
apache wicket From 10.0.0 (inc) to 10.9.0 (inc)
apache wicket 10.10.0

Helpful Resources

Exploitability

CWE
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KEV
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CWE ID Description
CWE-330 The product uses insufficiently random numbers or values in a security context that depends on unpredictable numbers.
CWE-693 The product does not use or incorrectly uses a protection mechanism that provides sufficient defense against directed attacks against the product.

Attack-Flow Graph

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Executive Summary

This vulnerability in Apache Wicket is due to the use of insufficiently random values, which can lead to protection mechanism failures. It affects versions from 9.0.0 through 9.23.0 and 10.0.0 through 10.9.0.

Impact Analysis

The vulnerability may allow attackers to bypass security mechanisms by exploiting predictable values, potentially leading to unauthorized access or data breaches. Users should upgrade to version 10.10.0 or later to mitigate this risk.

Mitigation Strategies

Upgrade Apache Wicket to version 10.10.0 or later to address the vulnerability.

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