{"schema":"threatline.record/2","record":{"id":"CVE-2026-103877","aliases":[],"summary":"Apache Directory LDAP API: Unsafe loading of Java code from LDAP schema elements","details":"Deserialization of Untrusted Data vulnerability in Apache Directory LDAP API.\n\n\n\nA rogue/compromised LDAP server (or pre-TLS MITM) can answer a client's loadSchema() subschema search with a schema object that contains a serialized Java class, allowing some potential RCE. \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.","categories":["Unclassified"],"product":"Apache Directory LDAP API","vendor":"Apache Software Foundation","ecosystem":null,"affected_ranges":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-103877","source_modified_at":"2026-10-07T22:07:09.152Z","fetched_at":"2026-10-23T18:48:36.087640Z","product":"Apache Directory LDAP API","vendor":"Apache Software Foundation","versions":[{"status":"affected","version":"2.1.0","lessThan":"2.1.9","versionType":"semver"}],"defaultStatus":"unaffected"}],"fixed_versions":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-103877","source_modified_at":"2026-10-07T22:07:09.152Z","fetched_at":"2026-10-23T18:48:36.087640Z","package":{"name":"Apache Directory LDAP API","ecosystem":null},"version":"2.1.9","basis":"first unaffected version stated in the CVE record"}],"cvss":9.8,"severity":"Critical","kev":{"listed":false},"epss":{"probability":0.00572,"percentile":0.46605,"score_date":"2026-10-23"},"published_at":"2026-10-02T10:08:42.494Z","modified_at":"2026-10-07T22:07:09.152Z","provenance":[{"source":"CVE List","url":"https://www.cve.org/CVERecord?id=CVE-2026-103877","fetched_at":"2026-10-23T18:48:36.087640Z","source_modified_at":"2026-10-07T22:07:09.152Z"},{"source":"EPSS","url":"https://api.first.org/data/v1/epss?cve=CVE-2026-103877","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2026-10-23"}],"sources":["CVE List","EPSS"],"references":[{"source":"CVE List","url":"https://lists.apache.org/thread.html/sys8l881blqfgoc3o724jl32bmjl8pvw","tags":["vendor-advisory"]}],"locations":[],"motoko_assessment":{"status":"requires_architecture_review","automatic_remediation":false},"cve_state":"PUBLISHED","cvss_source":"CISA ADP","ssvc":{"exploitation":"none","automatable":"yes","technical_impact":"total","assessed_at":"2026-10-07T20:54:06.776749Z"},"classification":{"method":"product-first software-layer rules","rules_version":"2.1","matched_on":null,"confidence":"unknown","reviewed":false},"change_timestamp":"2026-10-07T22:07:09.152Z","content_hash":"aedddc3a5434da6e9e6d600051b2dc94399bd4520d11c261a85ceb349a66d45c"}}