CVE-2026-40010 — CRITICAL (9.1)

Q: How severe is CVE-2026-40010?

CVE-2026-40010 has been rated CRITICAL with a CVSS base score of 9.1/10. This is considered a critical vulnerability requiring immediate attention.

Q: Is there a patch for CVE-2026-40010?

Check the references section above for vendor advisories and patch information. Affected products include: Apache Wicket.

Vulnerability Description

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.

CVSS Score

9.1

CRITICAL

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

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

NONE

Affected Products

Vendor	Product	Versions
Apache	Wicket	>= 8.0.0, <= 8.17.0

Related Weaknesses (CWE)

CWE-384

References

https://lists.apache.org/thread/61wsc0xdtfd5oozojfx7by9w3jwgkmv1Vendor Advisory
http://www.openwall.com/lists/oss-security/2026/05/06/1Mailing ListThird Party Advisory

FAQ

What is CVE-2026-40010?

CVE-2026-40010 is a vulnerability with a CVSS score of 9.1 (CRITICAL). 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...

How severe is CVE-2026-40010?

CVE-2026-40010 has been rated CRITICAL with a CVSS base score of 9.1/10. This is considered a critical vulnerability requiring immediate attention.

Is there a patch for CVE-2026-40010?

Check the references section above for vendor advisories and patch information. Affected products include: Apache Wicket.