{"schema":"threatline.record/2","record":{"id":"CVE-2026-104733","aliases":[],"summary":"User Impersonation/Authorization Bypass in XMPP Server ejabberd","details":"User Impersonation in ProcessOnes XMMP Server ejabberd <= 26.04 allows an attacker to impersonate arbitrary users via unvalidated authzid parameter in SASL-PLAIN mechanism.","categories":["Unclassified"],"product":"ejabberd","vendor":"ProcessOne","ecosystem":null,"affected_ranges":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-104733","source_modified_at":"2026-10-02T16:57:18.308Z","fetched_at":"2026-10-23T18:52:38.922436Z","product":"ejabberd","vendor":"ProcessOne","versions":[{"status":"affected","version":"0","lessThanOrEqual":"26.04","changes":[{"at":"26.07","status":"unaffected"}],"versionType":"custom"}],"defaultStatus":"unaffected"}],"fixed_versions":[],"cvss":7.4,"severity":"High","kev":{"listed":false},"epss":{"probability":0.00215,"percentile":0.11355,"score_date":"2026-10-23"},"published_at":"2026-10-02T12:19:10.635Z","modified_at":"2026-10-02T16:57:18.308Z","provenance":[{"source":"CVE List","url":"https://www.cve.org/CVERecord?id=CVE-2026-104733","fetched_at":"2026-10-23T18:52:38.922436Z","source_modified_at":"2026-10-02T16:57:18.308Z"},{"source":"EPSS","url":"https://api.first.org/data/v1/epss?cve=CVE-2026-104733","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2026-10-23"}],"sources":["CVE List","EPSS"],"references":[{"source":"CVE List","url":"https://www.nsideattacklogic.de/advisories/NSIDE-SA-2026-004/","tags":["third-party-advisory"]},{"source":"CVE List","url":"https://github.com/processone/ejabberd/releases#release-26.07","tags":["release-notes"]}],"locations":[],"motoko_assessment":{"status":"requires_architecture_review","automatic_remediation":false},"cve_state":"PUBLISHED","cvss_source":"CVE List","ssvc":{"exploitation":"none","automatable":"no","technical_impact":"partial","assessed_at":"2026-10-02T16:56:58.717189Z"},"classification":{"method":"product-first software-layer rules","rules_version":"2.1","matched_on":null,"confidence":"unknown","reviewed":false},"change_timestamp":"2026-10-02T16:57:18.308Z","content_hash":"8ada55e775308dea845c7d8e319ce12e8138f0a0239c7a53c9792cb682b1b435"}}