Home/CVE/Missing invocation of Servlet http web request method changeSessionId after session binding can be exploited for a sess
CVE

CVE-2026-40010

Missing invocation of Servlet http web request method changeSessionId after session binding can be exploited for a sess

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.

CRITICAL · CVSS 9.1 EPSS 0.00111
Schedule remediation
  • SSVC automatable: yes - attacks can be scripted at scale
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-384Session Fixation
CWE-384Session Fixation
▤

Affected Products & Versions

3
apache wicket>= 8.0.0 and <= 8.17.0
apache wicket>= 9.0.0 and <= 9.22.0
apache wicket>= 10.0.0 and < 10.9.0
▤

Affected Packages

1
Language-ecosystem packages (from OSV) tied to this CVE, with the version that fixes it - the dependency-level detail NVD doesn’t carry.
Maven org.apache.wicket:wicket-auth-roles CRITICAL
▣

Scoring & Timeline

9.1
CRITICAL · CVSS v3.1 · security@apache.org
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD06 May 2026 · 10:16 AM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
SSVC triage · cisa-vulnrichment
Exploitation
none
Automatable
yes
Technical impact
total
SSVC asks the questions that actually drive patch urgency: is it being exploited, can attacks be automated, and how total is the impact.
🔗

References & Sources

2
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://lists.apache.org/thread/61wsc0xdtfd5oozojfx7by9w3jwgkmv1Vendor Advisory
http://www.openwall.com/lists/oss-security/2026/05/06/1Mailing ListThird Party Advisory
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