Severity: moderate
Affected versions:
- Apache Cocoon: all versions
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.
Credit:
Tiago Abreu (finder)
References:
https://attic.apache.org/projects/cocoon.html
https://www.cve.org/CVERecord?id=CVE-2026-108086