Description
Apache Wicket 10.10.0, 10.11.0 and 9.24.0 do not set the Content-Security-Policy headers on a page whose render request handler is wrapped in more than one IRequestHandlerDelegate. The framework unwraps only a single delegate level when deciding whether a request renders a page, so with a deeper chain, for example an application-provided delegating request mapper combined with CryptoMapper, the page is served without any CSP header even though CSP is enabled, and no error or warning is raised. The nonce-based protection Wicket applies to inline scripts and styles, together with any other CSP directives configured by the application, is thereby lost for those pages, exposing them to content injection the policy was meant to prevent. Applications on stock Wicket that do not wrap request handlers themselves are not affected. Versions before 10.10.0 and 9.24.0 handled nested delegates correctly. Users are recommended to upgrade to version 10.12.0 or 9.25.0, which fix the issue.
Published: 2026-11-01
Score: 2.3 Low
EPSS: n/a
KEV: No
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Remediation

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History

Mon, 02 Nov 2026 11:45:00 +0000

Type Values Removed Values Added
First Time appeared Apache
Apache wicket
Vendors & Products Apache
Apache wicket

Sun, 01 Nov 2026 22:45:00 +0000

Type Values Removed Values Added
Description Apache Wicket 10.10.0, 10.11.0 and 9.24.0 do not set the Content-Security-Policy headers on a page whose render request handler is wrapped in more than one IRequestHandlerDelegate. The framework unwraps only a single delegate level when deciding whether a request renders a page, so with a deeper chain, for example an application-provided delegating request mapper combined with CryptoMapper, the page is served without any CSP header even though CSP is enabled, and no error or warning is raised. The nonce-based protection Wicket applies to inline scripts and styles, together with any other CSP directives configured by the application, is thereby lost for those pages, exposing them to content injection the policy was meant to prevent. Applications on stock Wicket that do not wrap request handlers themselves are not affected. Versions before 10.10.0 and 9.24.0 handled nested delegates correctly. Users are recommended to upgrade to version 10.12.0 or 9.25.0, which fix the issue.
Title Apache Wicket: CSP headers silently omitted for pages served through nested request handler delegates
Weaknesses CWE-693
References
Metrics cvssV4_0

{'score': 2.3, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N/AU:N/RE:L'}


cve-icon MITRE

Status: PUBLISHED

Assigner: apache

Published:

Updated: 2026-11-01T22:28:35.032Z

Reserved: 2026-09-09T00:12:34.839Z

Link: CVE-2026-87718

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Deferred

Published: 2026-11-01T23:17:30.727

Modified: 2026-11-02T16:13:27.570

Link: CVE-2026-87718

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-11-02T11:30:14Z

Weaknesses