{"id":"CVE-2026-108086","title":"Apache Cocoon: XEE could lead to SSRF and information disclosure","summary":"** UNSUPPORTED WHEN ASSIGNED ** Improper restriction of recursive entity references in DTDs ('XML entity expansion') vulnerability in Apache Cocoon.\n\n\n\nThis issue affects Apache Cocoon: all versions. XEE in the fp: form processor could l…","severity":"high","cvss":7.5,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","cvssSource":"adp","cwe":["CWE-776"],"vendor":"Apache Software Foundation","product":"Apache Cocoon","affected":["apache_cocoon <= *"],"ssvc":{"exploitation":"none","automatable":"yes","technicalImpact":"partial","timestamp":"2026-10-29T18:17:47.758455Z"},"published":"2026-10-20","updated":"2026-10-29","sourceUpdated":"2026-10-29T18:19:05.421Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-108086","references":[{"url":"https://lists.apache.org/thread/mt0h1cpjzps76nq6op7714rmnq6pbtht"}],"tags":["cve.org"],"epss":0.00416,"epssPercentile":0.35922,"ingestedAt":"2026-10-20T12:05:07.339Z","slug":"CVE-2026-108086","body":"## Overview\n\n** UNSUPPORTED WHEN ASSIGNED ** Improper restriction of recursive entity references in DTDs ('XML entity expansion') vulnerability in Apache Cocoon.\n\n\n\nThis 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\n\n\n\nAs 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.\n\n\n\nNOTE: This vulnerability only affects products that are no longer supported by the maintainer.\n\n## Affected\n\n- `apache_cocoon <= *`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"twilight","depthScore":41,"depthScoreParts":{"impact":41.3,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[{"seq":231982,"id":"CVE-2026-108086","ts":1793574265657,"field":"cvss","old":null,"new":"7.5"},{"seq":231981,"id":"CVE-2026-108086","ts":1793574265657,"field":"severity","old":"none","new":"high"}]}