CVE-2026-66391

MEDIUM

Apache Wicket: leaked and missing CSP headers

Title source: cna
STIX 2.1

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.

References (2)

Core 2

Scores

CVSS v3 6.5
EPSS 0.0020
EPSS Percentile 9.6%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N

CISA SSVC

Vulnrichment
Exploitation none
Automatable yes
Technical Impact partial

Details

CWE
CWE-330 CWE-693
Status published
Products (2)
Apache Software Foundation/Apache Wicket 10.0.0 - 10.9.0
Apache Software Foundation/Apache Wicket 9.0.0 - 9.23.0
Published Jul 27, 2026
Tracked Since Jul 27, 2026