https://seclists.org/oss-sec/2026/q2/415: CVE-2026-40010: Apache Wicket: possible session fixation using AuthenticatedWebSession
Published May 5, 2026
·Updated
Affected Software
1 affected component
Apache wicket>=10.0.0<=10.8.0, >=8.0.0<=8.17.0, >=9.0.0<=9.22.0
Frequently Asked Questions
1
What is the severity of CVE-2026-40010?
CVE-2026-40010 has been classified as a critical severity vulnerability.
2
Which versions of Apache Wicket are affected by CVE-2026-40010?
Affected versions include Apache Wicket 10.0.0 through 10.8.0, 8.0.0 through 8.17.0, and 9.0.0 through 9.22.0.
3
How do I fix CVE-2026-40010?
To fix CVE-2026-40010, upgrade to the latest version of Apache Wicket that is not vulnerable.
4
What type of attack does CVE-2026-40010 allow?
CVE-2026-40010 allows for a session fixation attack due to missing session ID changes.
5
What is the main issue with CVE-2026-40010 in Apache Wicket?
The main issue with CVE-2026-40010 is the missing invocation of the changeSessionId method after session binding.