Vulnerability Details CVE-2026-66391
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.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.002
EPSS Ranking 9.5%
CVSS Severity
CVSS v3 Score 6.5
Products affected by CVE-2026-66391
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cpe:2.3:a:apache:wicket:10.0.0
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cpe:2.3:a:apache:wicket:10.1.0
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cpe:2.3:a:apache:wicket:10.2.0
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cpe:2.3:a:apache:wicket:10.3.0
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cpe:2.3:a:apache:wicket:10.4.0
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cpe:2.3:a:apache:wicket:10.5.0
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cpe:2.3:a:apache:wicket:10.9.0
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cpe:2.3:a:apache:wicket:9.0.0
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cpe:2.3:a:apache:wicket:9.1.0
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cpe:2.3:a:apache:wicket:9.10.0
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cpe:2.3:a:apache:wicket:9.11.0
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cpe:2.3:a:apache:wicket:9.12.0
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cpe:2.3:a:apache:wicket:9.13.0
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cpe:2.3:a:apache:wicket:9.14.0
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cpe:2.3:a:apache:wicket:9.15.0
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cpe:2.3:a:apache:wicket:9.16.0
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cpe:2.3:a:apache:wicket:9.17.0
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cpe:2.3:a:apache:wicket:9.18.0
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cpe:2.3:a:apache:wicket:9.19.0
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cpe:2.3:a:apache:wicket:9.2.0
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cpe:2.3:a:apache:wicket:9.20.0
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cpe:2.3:a:apache:wicket:9.21.0
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cpe:2.3:a:apache:wicket:9.22.0
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cpe:2.3:a:apache:wicket:9.23.0
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cpe:2.3:a:apache:wicket:9.3.0
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cpe:2.3:a:apache:wicket:9.4.0
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cpe:2.3:a:apache:wicket:9.5.0
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cpe:2.3:a:apache:wicket:9.6.0
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cpe:2.3:a:apache:wicket:9.7.0
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cpe:2.3:a:apache:wicket:9.8.0
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cpe:2.3:a:apache:wicket:9.9.0
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cpe:2.3:a:apache:wicket:9.9.1