CVE-2026-66391

EUVD-2026-49368
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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
6.5 MEDIUM
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
Base Score
CVSS 3.x
EPSS Score
Percentile: 33.85%
Affected Products (NVD)
VendorProductVersion
apachewicket
9.0.0 ≤
𝑥
≤ 9.23.0
apachewicket
10.0.0 ≤
𝑥
< 10.10.0
𝑥
= Vulnerable software versions
Common Weakness Enumeration
References
https://lists.apache.org/thread/hfzcgjsbmmthzchtb8b8nv47d95scmqk
http://www.openwall.com/lists/oss-security/2026/07/27/5