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CVE-2026-40010

37
FAUCET Score

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.

First published: May 6, 2026Last modified: May 7, 2026

Impacted Technologies

VendorProductVersion(s)CPE
>= 8.0.0, <= 8.17.0CPE matchmatch criteria
cpe:2.3:a:apache:wicket:*:*:*:*:*:*:*:*
>= 9.0.0, <= 9.22.0CPE matchmatch criteria
cpe:2.3:a:apache:wicket:*:*:*:*:*:*:*:*
>= 10.0.0, < 10.9.0CPE matchmatch criteria
cpe:2.3:a:apache:wicket:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

9.1CRITICAL

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 Impact
HIGH
Integrity Impact
HIGH
Availability Impact
NONE
Exploitability Score
3.9
Impact Score
5.2
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.38%
Probability of exploitation in next 30 days
EPSS Percentile
30.5%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0038 is in the 7th percentile among its peer group of 36,835 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.

Media Mentions

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (2)

mavenpatch availablevia ghsa
Product: org.apache.wicket:wicket-auth-rolesFixed in: 10.9.0
apachevendor investigatingvia vendor_rss
View patch

Vendor Advisories (2)

mavenGHSA-qpjw-p3jg-59j6critical

Apache Wicket has a Session Fixation issue

May 6, 2026
apacheapache:www.mail-archive.com/[email protected]/msg11057.html

CVE-2026-40010: Apache Wicket: possible session fixation using AuthenticatedWebSession

May 5, 2026

References

openwall.com / lists/oss-security/2026/05/06/1
Mailing ListThird Party Advisory
lists.apache.org / thread/61wsc0xdtfd5oozojfx7by9w3jwgkmv1
Vendor Advisory