CVE-2026-40010

CRITICAL9.1

Apache Wicket: possible session fixation using AuthenticatedWebSession

Published May 6, 2026

Modified 3 weeks ago

Details

Missing invocation of Servlet http web request method changeSessionId after session binding can be exploited for a session fixation attack in Apache Wicket.

This issue affects Apache Wicket: from 8.0.0 through 8.17.0, 9.0.0, from 10.0.0 through 10.8.0.

Users are recommended to upgrade to version 10.9.0, which fixes the issue.

References

WEB

http://www.openwall.com/lists/oss-security/2026/05/06/1

ADVISORY

https://lists.apache.org/thread/61wsc0xdtfd5oozojfx7by9w3jwgkmv1

ADVISORY

https://www.cve.org/CVERecord?id=CVE-2026-40010

CVSS Analysis

CVSS v3.1

9.1

Exploitability

Attack Vector

NetworkAV:N

Attack Complexity

LowAC:L

Privileges Required

NonePR:N

User Interaction

NoneUI:N

Scope

UnchangedS:U

Impact

Confidentiality

HighC:H

Integrity

HighI:H

Availability

NoneA:N

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

Ecosystems

Timeline

PublishedMay 6, 2026

ModifiedMay 7, 2026