CVE-2026-66391

Severity CVSS v4.0:

Pending analysis

Type:

CWE-330 Use of Insufficiently Random Value

Publication date:

27/07/2026

Last modified:

27/07/2026

Description

Use of Insufficiently Random Values, Protection Mechanism Failure vulnerability in Apache Wicket.<br /> <br /> This issue affects Apache Wicket: from 9.0.0 through 9.23.0, from 10.0.0 through 10.9.0.<br /> <br /> Users are recommended to upgrade to version 10.10.0, which fixes the issue.

Impact

Vector 3.x

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N CVSS v3.1 Severity and Metrics:

Base Score: 6.50 MEDIUM
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N

Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): Low
Integrity (I): Low
Availability (A): None

Base Score 3.x

6.50

Severity 3.x

MEDIUM

References to Advisories, Solutions, and Tools

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