VulnerabilityAnalyzed

CVE-2026-66391

Use of Insufficiently Random Values, Protection Mechanism Failure vulnerability in Apache Wicket.

MEDIUM 6.5EPSS 0.40%

Does this matter?

Lower severity and a low EPSS score (0.40%). Track it; it rarely justifies an emergency change on its own.

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.

CVSS 3.1: 6.5 MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
EPSS: 0.40% probability · 34th percentile
CISA KEV: Not listed
Weakness: CWE-330, CWE-693
Affected: apache/wicket
Source: security@apache.org

References

https://lists.apache.org/thread/hfzcgjsbmmthzchtb8b8nv47d95scmqkMailing List, Vendor Advisory
http://www.openwall.com/lists/oss-security/2026/07/27/5Mailing List, Third Party Advisory

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.