{"api_version":"1","generated_at":"2026-10-02T12:49:51+00:00","cve":"CVE-2026-103880","urls":{"html":"https://cve.report/CVE-2026-103880","api":"https://cve.report/api/cve/CVE-2026-103880.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-103880","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-103880"},"summary":{"title":"Apache Directory LDAP API: Denial of service via excessive bcrypt cost factor in stored passwords","description":"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 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.","state":"PUBLISHED","assigner":"apache","published_at":"2026-10-02 10:17:06","updated_at":"2026-10-02 10:17:06"},"problem_types":["CWE-405","CWE-405 CWE-405 Asymmetric Resource Consumption (Amplification)"],"metrics":[],"references":[{"url":"https://lists.apache.org/thread.html/39q63m54v9go6xj7pqj7q18c3szn9go4","name":"https://lists.apache.org/thread.html/39q63m54v9go6xj7pqj7q18c3szn9go4","refsource":"security@apache.org","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-103880","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-103880","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Apache Software Foundation","product":"Apache Directory LDAP API","version":"affected 2.1.0 2.1.9 semver","platforms":[]}],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[{"source":"CNA","value":"Claude Security","lang":"en"},{"source":"CNA","value":"The Apache Software Foundation","lang":"en"}],"nvd_cpes":[],"vendor_comments":[],"enrichments":{"kev":null,"epss":null,"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"cna":{"affected":[{"collectionURL":"https://repo.maven.apache.org/maven2","defaultStatus":"unaffected","packageName":"org.apache.directory.api:api-ldap-model","packageURL":"pkg:maven/org.apache.directory.api/api-ldap-model","product":"Apache Directory LDAP API","vendor":"Apache Software Foundation","versions":[{"lessThan":"2.1.9","status":"affected","version":"2.1.0","versionType":"semver"}]}],"credits":[{"lang":"en","type":"tool","value":"Claude Security"},{"lang":"en","type":"finder","value":"The Apache Software Foundation"}],"descriptions":[{"lang":"en","supportingMedia":[{"base64":false,"type":"text/html","value":"<p>Asymmetric Resource Consumption&nbsp;vulnerability in Apache Directory LDAP API.</p><p>Storing 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&nbsp; run for hours checking the credentials. A bounded cost should be enforced to avoid a server DOS.</p><p>This issue affects Apache Directory LDAP API: from 2.1.0 before 2.1.9.</p><p>Users are recommended to upgrade to version 2.1.9, which fixes the issue.</p>"}],"value":"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 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."}],"metrics":[{"other":{"content":{"text":"important"},"type":"Textual description of severity"},"scenarios":[{"lang":"en","value":"GENERAL"}]}],"problemTypes":[{"descriptions":[{"cweId":"CWE-405","description":"CWE-405 Asymmetric Resource Consumption (Amplification)","lang":"en","type":"CWE"}]}],"providerMetadata":{"dateUpdated":"2026-10-02T10:03:48.296Z","orgId":"f0158376-9dc2-43b6-827c-5f631a4d8d09","shortName":"apache"},"references":[{"tags":["vendor-advisory"],"url":"https://lists.apache.org/thread.html/39q63m54v9go6xj7pqj7q18c3szn9go4"}],"source":{"discovery":"UNKNOWN"},"title":"Apache Directory LDAP API: Denial of service via excessive bcrypt cost factor in stored passwords","x_generator":{"engine":"Vulnogram 1.0.3"}}},"cveMetadata":{"assignerOrgId":"f0158376-9dc2-43b6-827c-5f631a4d8d09","assignerShortName":"apache","cveId":"CVE-2026-103880","datePublished":"2026-10-02T10:03:48.296Z","dateReserved":"2026-10-01T13:05:10.819Z","dateUpdated":"2026-10-02T10:03:48.296Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-10-02 10:17:06","lastModifiedDate":"2026-10-02 10:17:06","problem_types":["CWE-405","CWE-405 CWE-405 Asymmetric Resource Consumption (Amplification)"],"metrics":[],"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"103880","Ordinal":"1","Title":"Apache Directory LDAP API: Denial of service via excessive bcryp","CVE":"CVE-2026-103880","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"103880","Ordinal":"1","NoteData":"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 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.","Type":"Description","Title":"Apache Directory LDAP API: Denial of service via excessive bcryp"}]}}}