{"id":"CVE-2026-103880","title":"Asymmetric Resource Consumption vulnerability in Apache Directory LDAP API.\n\n\n\nStoring a password using the bcrypt algorithm with a high force like 30 in a LDAP server that supports this algorithm will cause the server CPU to  run for ho…","summary":"Asymmetric Resource Consumption vulnerability in Apache Directory LDAP API.\n\n\n\nStoring a password using the bcrypt algorithm with a high force like 30 in a LDAP server that supports this algorithm will cause the server CPU to  run for ho…","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-405"],"vendor":"Apache Software Foundation","product":"org.apache.directory.api:api-ldap-model","affected":["org.apache.directory.api:api-ldap-model >= 2.1.0 < 2.1.9"],"published":"2026-10-02","updated":"2026-10-05","sourceUpdated":"2026-10-05T19:17:14.160","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-103880","references":[{"url":"https://lists.apache.org/thread.html/39q63m54v9go6xj7pqj7q18c3szn9go4","label":"security@apache.org"},{"url":"http://www.openwall.com/lists/oss-security/2026/10/02/7","label":"af854a3a-2127-422b-91ae-364da2661108"}],"tags":["nvd","cve.org"],"ssvc":{"exploitation":"none","automatable":"yes","technicalImpact":"partial","timestamp":"2026-10-05T18:46:46.577864Z"},"epss":0.00433,"epssPercentile":0.37437,"ingestedAt":"2026-10-02T10:15:55.900Z","slug":"CVE-2026-103880","body":"## Overview\n\nAsymmetric Resource Consumption vulnerability in Apache Directory LDAP API.\n\n\n\nStoring a password using the bcrypt algorithm with a high force like 30 in a LDAP server that supports this algorithm will cause the server CPU to  run for hours checking the credentials. A bounded cost should be enforced to avoid a server DOS.\n\n\n\nThis issue affects Apache Directory LDAP API: from 2.1.0 before 2.1.9.\n\n\n\nUsers are recommended to upgrade to version 2.1.9, which fixes the 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":0.1,"exploitation":0,"ransomware":0},"changes":[{"seq":216012,"id":"CVE-2026-103880","ts":1791228729701,"field":"cvss","old":null,"new":"7.5"},{"seq":216011,"id":"CVE-2026-103880","ts":1791228729701,"field":"severity","old":"none","new":"high"}]}