CVE-2026-108086

High

Description

** 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.

SeverityHigh
CVSS7.5
Exploit probability—
ProductApache Cocoon
PublishedOct 20, 2026
First seenOct 20, 2026
Weakness typeCWE-776CWE-776

How to fix

Affected products

ProductAffected versionsFixed in
Apache Software Foundation Apache Cocoon0—

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