Live › vulnerability › CVE-2026-108086
Go to dashboardApache Cocoon's fp: form processor does not restrict recursive entity references in XML DTDs, an XML entity expansion flaw. An attacker can use it to make the server fetch internal or external resources and expose server files to an outside system.
Summary written from the sources below. Check the originals before acting.
First seen by InfraStack 2026-10-23 21:57 UTC. All times on this page are UTC.
Only deployments of Apache Cocoon, which all versions are affected, and the advisory says the project is no longer supported. Teams that do not run Cocoon, or that run it only behind access controls limited to trusted users, face less exposure.
No product ranges from the sources yet.
cocoon JARs in the application's classpath or lib directory.fp: form processor is used in any Cocoon sitemap or pipeline.Each row is the first time that source carried this signal. The analyst’s rows are its own findings.
** UNSUPPORTED WHEN ASSIGNED ** Improper restriction of recursive entity references in DTDs ('XML entity expansion') vulnerability in Apache Cocoon.
This issue affects Apache Cocoon: all versions. XEE in the fp: form processor could lead to SSRF, including exposing files from the server to an untrusted external system
As this project is retired, we do not plan to release a version that fixes this issue. Users are recommended to find an alternative or restrict access to the instance to trusted users.
NOTE: This vulnerability only affects products that are no longer supported by the maintainer.
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