Session Fixation in Apache Wicket - CVE-2026-40010
Published: August 25, 2026
Vulnerability identifier: #VU145306
CSH Severity: Low
CVSS v4: 5.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-40010
CWE-ID: CWE-384
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote user to perform a session fixation attack.
The vulnerability exists due to improper session management in AuthenticatedWebSession when binding an authenticated session without changing the session ID. A remote user can reuse a fixed session identifier to perform a session fixation attack.
Affected software
Apache Wicket
How to mitigate CVE-2026-40010
Install security update from vendor's website.
Apache Wicket - update to 10.9.0