{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-103880", "assignerOrgId": "f0158376-9dc2-43b6-827c-5f631a4d8d09", "state": "PUBLISHED", "assignerShortName": "apache", "dateReserved": "2026-10-01T13:05:10.819Z", "datePublished": "2026-10-02T10:03:48.296Z", "dateUpdated": "2026-10-02T10:03:48.296Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "f0158376-9dc2-43b6-827c-5f631a4d8d09", "shortName": "apache", "dateUpdated": "2026-10-02T10:03:48.296Z"}, "title": "Apache Directory LDAP API: Denial of service via excessive bcrypt cost factor in stored passwords", "problemTypes": [{"descriptions": [{"description": "CWE-405 Asymmetric Resource Consumption (Amplification)", "lang": "en", "cweId": "CWE-405", "type": "CWE"}]}], "source": {"discovery": "UNKNOWN"}, "affected": [{"vendor": "Apache Software Foundation", "product": "Apache Directory LDAP API", "packageURL": "pkg:maven/org.apache.directory.api/api-ldap-model", "versions": [{"status": "affected", "version": "2.1.0", "lessThan": "2.1.9", "versionType": "semver"}], "defaultStatus": "unaffected", "collectionURL": "https://repo.maven.apache.org/maven2", "packageName": "org.apache.directory.api:api-ldap-model"}], "descriptions": [{"value": "Asymmetric Resource Consumption\u00a0vulnerability 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\u00a0 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.", "lang": "en", "supportingMedia": [{"type": "text/html", "base64": false, "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>"}]}], "references": [{"url": "https://lists.apache.org/thread.html/39q63m54v9go6xj7pqj7q18c3szn9go4", "tags": ["vendor-advisory"]}], "metrics": [{"other": {"type": "Textual description of severity", "content": {"text": "important"}}, "scenarios": [{"lang": "en", "value": "GENERAL"}]}], "credits": [{"lang": "en", "value": "Claude Security", "type": "tool"}, {"lang": "en", "value": "The Apache Software Foundation", "type": "finder"}], "x_generator": {"engine": "Vulnogram 1.0.3"}}}}

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{"affected": [{"affectedData": [{"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"}]}], "source": "security@apache.org"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Asymmetric Resource Consumption\u00a0vulnerability 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\u00a0 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."}], "id": "CVE-2026-103880", "lastModified": "2026-10-02T14:30:28.440", "metrics": {}, "published": "2026-10-02T10:17:06.700", "references": [{"source": "security@apache.org", "url": "https://lists.apache.org/thread.html/39q63m54v9go6xj7pqj7q18c3szn9go4"}], "sourceIdentifier": "security@apache.org", "vulnStatus": "Deferred", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-405"}], "source": "security@apache.org", "type": "Primary"}]}

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{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[2.1.0,2.1.9)"}}], "enrichment": {"confidence": 88.0, "confidence_source": "matching", "scores": [{"score": 95.0, "source": "inferred"}, {"score": 88.0, "source": "matching"}]}, "original": {"product": "Apache Directory LDAP API", "source": "cna", "vendor": "Apache Software Foundation"}, "product": "directory_ldap_api", "vendor": "apache"}], "created": "2026-10-02T11:30:18.295728+00:00", "updated": "2026-10-02T14:15:14.565361+00:00", "vendors": ["apache", "apache$PRODUCT$directory_ldap_api"]}