CVE-2026-108086
Apache Cocoon: XEE could lead to SSRF and information disclosure
- State
- Published
- Severity
- 7.5 High
- Published
- Oct 20, 2026
- Updated
- Oct 29, 2026
- Reserved
- Oct 9, 2026
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 3.1 | 7.5 High | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N | CISA-ADP |
Weaknesses
- CWE-776 Improper restriction of recursive entity references in DTDs ('XML entity expansion')
Affected Products
| Product | Versions |
|---|---|
Apache CocoonApache Software Foundation |
|
References
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