{"id":"CVE-2026-91866","summary":"Apache Neethi: Crafted policies cause unbounded work during intersection leading to denial of service","details":"A specially crafted pair of WS-Policy documents can force Neethi's policy-intersection to do exponential amounts of work, pinning the CPU for a long time (denial of service).\nUsers are recommended to upgrade to version 3.2.4, which fixes this issue.","modified":"2026-09-27T03:47:29.987744003Z","published":"2026-09-21T11:27:15.767Z","database_specific":{"unresolved_ranges":[{"extracted_events":[{"fixed":"3.2.4"}],"source":"AFFECTED_FIELD"}],"cna_assigner":"apache","osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/91xxx/CVE-2026-91866.json"},"references":[{"type":"WEB","url":"http://www.openwall.com/lists/oss-security/2026/09/18/13"},{"type":"WEB","url":"https://repo.maven.apache.org/maven2"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/91xxx/CVE-2026-91866.json"},{"type":"ADVISORY","url":"https://lists.apache.org/thread/zbfxnomgvbmqchqjgc6lk5h0z76k3gh4"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-91866"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/apache/ws-neethi","events":[{"introduced":"0"},{"fixed":"901c6bffad2a040925887202816ceb089347003a"}],"database_specific":{"source":"CPE_RANGE","cpe":"cpe:2.3:a:apache:neethi:*:*:*:*:*:*:*:*","extracted_events":[{"introduced":"0"},{"fixed":"3.2.4"}]}}],"versions":["neethi-3.2.3","neethi-3.2.2","neethi-3.2.1","neethi-3.2.0","neethi-3.0.2@1310942","neethi-3.0.1@1145220","3.0.0@1088365","2.0.5@787316","2.0.4@649060","2.0.3@646794","2_0_2@556647","2_0_2@553081","2_0_1@529482","2_0@474163","1_0_1@398892","neethi-3.0.2@398891","neethi-3.0.1@398891","3.0.0@398891","2_0_2@398891-","2_0_2@398891","2_0_1@398891","2_0@398891","2.0.5@398891","2.0.4@398891","2.0.3@398891","1_0_1@398891","1_01_RC@392334","neethi-3.0.2@388355","neethi-3.0.1@388355","3.0.0@388355","2_0_2@388355-","2_0_2@388355","2_0_1@388355","2_0@388355","2.0.5@388355","2.0.4@388355","2.0.3@388355","1_0_1@388355","1_01_RC@388355","1_0@388063","0_90@383288","neethi-3.0.2@374083","neethi-3.0.1@374083","3.0.0@374083","2_0_2@374083--","2_0_2@374083-","2_0_1@374083","2_0@374083","2.0.5@374083","2.0.4@374083","2.0.3@374083","1_0_1@374083","1_0@374083","1_01_RC@374083","0_90@374083","2_0_2@374083","neethi-3.0.2@331547","neethi-3.0.1@331547","3.0.0@331547","2_0_2@331547--","2_0_2@331547-","2_0_2@331547","2_0_1@331547","2_0@331547","2.0.5@331547","2.0.4@331547","2.0.3@331547","1_0_1@331547","1_0@331547","1_01_RC@331547","0_90@331547"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-91866.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"}]}