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 v3 6.5 MEDIUM

6.5^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 3.9 / Impact : 2.5

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact LOW

Integrity Impact LOW

Availability Impact NONE

Scope UNCHANGED

References

Link	Resource
https://lists.apache.org/thread/hfzcgjsbmmthzchtb8b8nv47d95scmqk	Mailing List Vendor Advisory
http://www.openwall.com/lists/oss-security/2026/07/27/5	Mailing List Third Party Advisory

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:apache:wicket::::::::
	cpe:2.3:a:apache:wicket::::::::

History

05 Aug 2026, 18:41

Type	Values Removed	Values Added
First Time		Apache Apache wicket
References	~~() https://lists.apache.org/thread/hfzcgjsbmmthzchtb8b8nv47d95scmqk -~~	() https://lists.apache.org/thread/hfzcgjsbmmthzchtb8b8nv47d95scmqk - Mailing List, Vendor Advisory
References	~~() http://www.openwall.com/lists/oss-security/2026/07/27/5 -~~	() http://www.openwall.com/lists/oss-security/2026/07/27/5 - Mailing List, Third Party Advisory
CPE		cpe:2.3:a:apache:wicket::::::::

27 Jul 2026, 19:17

Type	Values Removed	Values Added
References		() http://www.openwall.com/lists/oss-security/2026/07/27/5 -

27 Jul 2026, 18:17

Type	Values Removed	Values Added
CVSS	v2 : ~~unknown~~ v3 : ~~unknown~~	v2 : unknown v3 : 6.5

27 Jul 2026, 17:16

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-07-27 17:16

Updated : 2026-08-05 18:41

NVD link : CVE-2026-66391

Mitre link : CVE-2026-66391

CVE.ORG link : CVE-2026-66391

JSON object : View

Products Affected

apache

wicket

CWE

CWE-330

Use of Insufficiently Random Values

CWE-693

Protection Mechanism Failure

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