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2026年10月20日

CVE-2026-108086 – ** UNSUPPORTED WHEN ASSIGNED ** Improper restriction of recursive entity references in DTD

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** 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.