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.

CVSS 3.1

6.5CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N

EPSS

0.6% chance of exploitation in the next 30 days; higher than 50% of CVEs (scores of 2026-10-25)

CWEs

CWE-330, CWE-693

Published

2026-07-27

Modified

2026-10-24

Record from

the NVD, synced 2026-10-24

Affected

• apache:wicket

References

• https://lists.apache.org/thread/hfzcgjsbmmthzchtb8b8nv47d95scmqk
• http://www.openwall.com/lists/oss-security/2026/07/27/5

Check your stackJSON