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CVE-2026-40010

Apache Wicket vulnerability

9.1 CRITICALEPSS 0.61%
  1. Published6 May 2026

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 3.1 breakdown

Attack vectorNetwork
Attack complexityLow
Privileges requiredNone
User interactionNone
ScopeUnchanged
ConfidentialityHigh
IntegrityHigh
AvailabilityNone
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

Affected products

Apache Wicket≥ 10.0.0 < 10.9.0 · ≥ 8.0.0 ≤ 8.17.0 · ≥ 9.0.0 ≤ 9.22.0

Remediation

Fixed in
Apache Wicket≥ 10.9.0

References

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Frequently asked

Is CVE-2026-40010 being actively exploited?

CVE-2026-40010 is not in the CISA KEV catalog. Its EPSS exploit probability is 0.61%.

How severe is CVE-2026-40010?

CVE-2026-40010 has a CVSS 3.1 base score of 9.1, rated critical. EPSS estimates a 0.61% probability of exploitation.

Which products are affected by CVE-2026-40010?

Affected products include Apache Wicket.

How do I fix CVE-2026-40010?

Upgrade affected software to a fixed version, for example Apache Wicket 10.9.0 or later, then confirm no affected versions remain in your inventory.

How Secuno handles this

Secuno correlates vulnerabilities like CVE-2026-40010 against the real software inventory on every managed device, every day. Rather than a static severity, each match is scored in context: exploit availability, EPSS, the asset's exposure, and business criticality decide where it lands in the queue. If an affected version is present anywhere across your portfolio, it surfaces automatically with a prioritised remediation path.

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Data from the NVD, CISA KEV catalog and FIRST EPSS. CVSS 3.1 base score shown where available.