{"id":"CVE-2026-108086","aliases":["EUVD-2026-104911","GHSA-r2j3-wmm2-x45c"],"status":"published","title":"Apache Cocoon: XEE could lead to SSRF and information disclosure","description":"** 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.","severity":{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high","assessor":"adp","from":"cve"},"epss":{"day":"2026-11-12","score":0.00416,"percentile":0.36401,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-776"],"published":"2026-10-20T10:24:53Z","modified":"2026-10-29T21:31:12Z","products":[{"vendor":"apache software foundation","product":"apache cocoon"}],"references":[{"url":"https://lists.apache.org/thread/mt0h1cpjzps76nq6op7714rmnq6pbtht","tags":["vendor-advisory"]},{"url":"http://www.openwall.com/lists/oss-security/2026/10/20/2"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-108086"},{"url":"https://github.com/advisories/GHSA-r2j3-wmm2-x45c"}],"sources":{"cve":[{"id":"CVE-2026-108086","title":"Apache Cocoon: XEE could lead to SSRF and information disclosure","description":"** 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.","status":"published","published":"2026-10-20T10:24:53.426Z","modified":"2026-10-29T18:19:05.421Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high","assessor":"adp"}],"cwes":["CWE-776"],"updated_at":"2026-11-02T14:20:10.510075Z"}],"euvd":[{"id":"EUVD-2026-104911","description":"** 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.","status":"published","published":"2026-10-20T10:24:53Z","modified":"2026-10-29T18:19:05Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high"}],"updated_at":"2026-11-02T16:59:15.391097Z"}],"ghsa":[{"id":"GHSA-r2j3-wmm2-x45c","title":"** UNSUPPORTED WHEN ASSIGNED ** Improper restriction of recursive entity references in DTDs ('XML...","description":"** 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.","status":"published","published":"2026-10-20T12:31:34Z","modified":"2026-10-29T21:31:12Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high"}],"cwes":["CWE-776"],"updated_at":"2026-11-02T15:14:40.528345Z"}],"nvd":[{"id":"CVE-2026-108086","description":"** 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.","status":"published","published":"2026-10-20T11:17:16.643Z","modified":"2026-10-29T19:17:15.517Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high","assessor":"secondary"}],"cwes":["CWE-776"],"updated_at":"2026-11-02T14:13:01.161484Z"}]}}