{"schema":"threatline.record/2","record":{"id":"CVE-2026-113682","aliases":[],"summary":"Networknt light-4j 2.1.5 before 2.4.0 Authentication Bypass via Empty LDAP Password","details":"Networknt light-4j from 2.1.5 before 2.4.0 contains an authentication bypass vulnerability in BasicAuthHandler that allows unauthenticated attackers to log in as LDAP/AD-delegated users. Attackers can send a Basic Authorization header with a known username and empty password, triggering an unauthenticated LDAP bind that is accepted as successful authentication.","categories":["Unclassified"],"product":"light-4j","vendor":"networknt","ecosystem":null,"affected_ranges":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-113682","source_modified_at":"2026-10-23T13:51:42.196Z","fetched_at":"2026-10-23T18:42:43.628194Z","product":"light-4j","vendor":"networknt","versions":[{"version":"2.1.5","lessThan":"2.4.0","status":"affected","versionType":"semver"}],"defaultStatus":"unaffected"}],"fixed_versions":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-113682","source_modified_at":"2026-10-23T13:51:42.196Z","fetched_at":"2026-10-23T18:42:43.628194Z","package":{"name":"light-4j","ecosystem":null},"version":"2.4.0","basis":"first unaffected version stated in the CVE record"}],"cvss":9.1,"severity":"Critical","kev":{"listed":false},"epss":{"probability":0.00477,"percentile":0.40224,"score_date":"2026-10-23"},"published_at":"2026-10-20T15:40:42.500Z","modified_at":"2026-10-23T13:51:42.196Z","provenance":[{"source":"CVE List","url":"https://www.cve.org/CVERecord?id=CVE-2026-113682","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2026-10-23T13:51:42.196Z"},{"source":"EPSS","url":"https://api.first.org/data/v1/epss?cve=CVE-2026-113682","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2026-10-23"}],"sources":["CVE List","EPSS"],"references":[{"source":"CVE List","url":"https://github.com/networknt/light-4j/issues/2804","tags":["issue-tracking"]},{"source":"CVE List","url":"https://github.com/networknt/light-4j/pull/2805","tags":["patch","issue-tracking"]},{"source":"CVE List","url":"https://github.com/networknt/light-4j/commit/54743badb34260b76ed131d8b6a4f60210cc3673","tags":["patch"]},{"source":"CVE List","url":"https://github.com/networknt/light-4j/releases/tag/2.4.0","tags":["release-notes"]},{"source":"CVE List","url":"https://github.com/networknt/light-4j/blob/2.3.7/basic-auth/src/main/java/com/networknt/basicauth/BasicAuthHandler.java#L189-L200","tags":["technical-description"]},{"source":"CVE List","url":"https://github.com/networknt/light-4j/blob/2.3.7/ldap-util/src/main/java/com/networknt/ldap/LdapUtil.java#L152-L173","tags":["technical-description"]},{"source":"CVE List","url":"https://www.vulncheck.com/advisories/networknt-light-4j-2.1.5-before-2.4.0-authentication-bypass-via-empty-ldap-password","tags":["third-party-advisory"]}],"locations":[],"motoko_assessment":{"status":"requires_architecture_review","automatic_remediation":false},"cve_state":"PUBLISHED","cvss_source":"CVE List","ssvc":{"exploitation":"none","automatable":"no","technical_impact":"total","assessed_at":"2026-10-23T13:51:32.935118Z"},"classification":{"method":"product-first software-layer rules","rules_version":"2.1","matched_on":null,"confidence":"unknown","reviewed":false},"change_timestamp":"2026-10-23T13:51:42.196Z","content_hash":"b96588344e1dcc15644babb919c560eb512ecdee0e0e406cfe9e3d279983920b"}}