{"id":"CVE-2026-91866","title":"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…","summary":"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…","severity":"high","cvss":7.5,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","cwe":["CWE-770"],"vendor":"Apache Software Foundation","product":"org.apache.neethi:neethi","affected":["org.apache.neethi:neethi < 3.2.4"],"published":"2026-09-21","updated":"2026-09-21","sourceUpdated":"2026-09-21T18:10:30.343","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-91866","references":[{"url":"https://lists.apache.org/thread/zbfxnomgvbmqchqjgc6lk5h0z76k3gh4","label":"security@apache.org"},{"url":"http://www.openwall.com/lists/oss-security/2026/09/18/13","label":"af854a3a-2127-422b-91ae-364da2661108"}],"tags":["nvd","cve.org"],"ssvc":{"exploitation":"none","automatable":"yes","technicalImpact":"partial","timestamp":"2026-09-21T13:16:11.074135Z"},"ingestedAt":"2026-09-21T11:35:54.434Z","slug":"CVE-2026-91866","body":"## Overview\n\nA 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.\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,"exploitation":0,"ransomware":0},"changes":[{"seq":208361,"id":"CVE-2026-91866","ts":1789997910285,"field":"cvss","old":null,"new":"7.5"},{"seq":208360,"id":"CVE-2026-91866","ts":1789997910285,"field":"severity","old":"none","new":"high"}]}