{"id":"CVE-2026-91865","aliases":["EUVD-2026-83887","GHSA-6vm6-6w33-f874","RHLW-2026-5e3f8ccb11a37ba5"],"status":"published","title":"Apache Neethi: Crafted policy references cause exponential expansion during normalization leading to denial of service","description":"A small WS-Policy document using repeated policy references can force Neethi to re-expand the same references exponentially during normalization, consuming huge amounts of CPU and memory (denial of service).\nUsers are recommended to upgrade to version 3.2.4, which fixes this issue.","severity":{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"adp","from":"cve"},"epss":{"day":"2026-11-10","score":0.0074,"percentile":0.54937,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-770"],"published":"2026-09-21T11:26:52Z","modified":"2026-10-28T02:31:00Z","affected":[{"source":"osv","ecosystem":"Red Hat Lightwell:Maven","package":"org.apache.neethi:neethi","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.2.2.rhlw-00028"}]}],"versions":["2.0","2.0.1","2.0.2","2.0.3","2.0.4","2.0.5","3.0.0","3.0.1","3.0.2","3.0.3","3.1.0","3.1.1","3.2.0","3.2.1","3.2.2"],"bundled":4}],"products":[{"vendor":"apache","product":"neethi"},{"vendor":"apache software foundation","product":"apache neethi"}],"references":[{"url":"https://lists.apache.org/thread/l48btqh02rlpsgf5p6r5ltqk1cb69dtc","tags":["vendor-advisory","Mailing List","Vendor Advisory","advisory"]},{"url":"http://www.openwall.com/lists/oss-security/2026/09/18/12","tags":["Mailing List","Third Party Advisory","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-91865","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-6vm6-6w33-f874"},{"url":"https://repo.maven.apache.org/maven2","tags":["web"]},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/91xxx/CVE-2026-91865.json","tags":["advisory"]},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/91xxx/CVE-2026-91863.json","tags":["advisory"]},{"url":"https://lists.apache.org/thread/72kxj71lvrqqx90xxqqctvpbw0t8mpxw","tags":["advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-91863","tags":["advisory"]},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/91xxx/CVE-2026-91866.json","tags":["advisory"]},{"url":"https://lists.apache.org/thread/zbfxnomgvbmqchqjgc6lk5h0z76k3gh4","tags":["advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-91866","tags":["advisory"]},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/91xxx/CVE-2026-91867.json","tags":["advisory"]},{"url":"https://lists.apache.org/thread/dsr2ktf199mqhw2jtlbklyz7tzd86ycd","tags":["advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-91867","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2026-91865","title":"Apache Neethi: Crafted policy references cause exponential expansion during normalization leading to denial of service","description":"A small WS-Policy document using repeated policy references can force Neethi to re-expand the same references exponentially during normalization, consuming huge amounts of CPU and memory (denial of service).\nUsers are recommended to upgrade to version 3.2.4, which fixes this issue.","status":"published","published":"2026-09-21T11:26:52.788Z","modified":"2026-09-21T13:17:03.972Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"adp"}],"cwes":["CWE-770"],"updated_at":"2026-11-02T14:19:52.773089Z"}],"euvd":[{"id":"EUVD-2026-83887","description":"A small WS-Policy document using repeated policy references can force Neethi to re-expand the same references exponentially during normalization, consuming huge amounts of CPU and memory (denial of service).\nUsers are recommended to upgrade to version 3.2.4, which fixes this issue.","status":"published","published":"2026-09-21T11:26:52Z","modified":"2026-09-21T13:17:03Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"updated_at":"2026-11-02T17:28:05.72344Z"}],"ghsa":[{"id":"GHSA-6vm6-6w33-f874","title":"A small WS-Policy document using repeated policy references can force Neethi to re-expand the...","description":"A small WS-Policy document using repeated policy references can force Neethi to re-expand the same references exponentially during normalization, consuming huge amounts of CPU and memory (denial of service).\nUsers are recommended to upgrade to version 3.2.4, which fixes this issue.","status":"published","published":"2026-09-21T12:32:39Z","modified":"2026-09-21T15:33:07Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"cwes":["CWE-770"],"updated_at":"2026-11-02T15:12:15.376121Z"}],"nvd":[{"id":"CVE-2026-91865","description":"A small WS-Policy document using repeated policy references can force Neethi to re-expand the same references exponentially during normalization, consuming huge amounts of CPU and memory (denial of service).\nUsers are recommended to upgrade to version 3.2.4, which fixes this issue.","status":"published","published":"2026-09-21T12:17:24.903Z","modified":"2026-09-25T13:09:32.773Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"secondary"}],"cwes":["CWE-770"],"updated_at":"2026-11-02T14:12:50.043898Z"}],"osv":[{"id":"CVE-2026-91865","title":"Apache Neethi: Crafted policy references cause exponential expansion during normalization leading to denial of service","description":"A small WS-Policy document using repeated policy references can force Neethi to re-expand the same references exponentially during normalization, consuming huge amounts of CPU and memory (denial of service).\nUsers are recommended to upgrade to version 3.2.4, which fixes this issue.","status":"published","published":"2026-09-21T11:26:52.788Z","modified":"2026-10-28T02:31:00.060247049Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"updated_at":"2026-11-02T15:45:20.269367Z"},{"id":"RHLW-2026-5e3f8ccb11a37ba5","title":"Lightwell Security Advisory: neethi 3.2.2.rhlw-00028","description":"Red Hat Lightwell has released org.apache.neethi:neethi 3.2.2.rhlw-00028 with backported fixes for CVE-2026-91863, CVE-2026-91865, CVE-2026-91866, and CVE-2026-91867.\n\nCVE-2026-91863: Apache Neethi: Uncontrolled recursion while parsing crafted WS-Policy documents allows denial of service\n\nCVE-2026-91865: Apache Neethi: Crafted policy references cause exponential expansion during normalization leading to denial of service\n\nCVE-2026-91866: Apache Neethi: Crafted policies cause unbounded work during intersection leading to denial of service\n\nCVE-2026-91867: Apache Neethi: Remote policy fetch lacks a total timeout, allowing a slow server to hang the request indefinitely\n\nThis patched artifact is a drop-in replacement for org.apache.neethi:neethi 3.2.2 from Maven Central.","status":"published","published":"2026-10-20T11:56:50Z","modified":"2026-10-27T08:45:02.518267606Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"updated_at":"2026-11-02T15:52:58.636919Z"}]}}