{"schema":"threatline.record/2","record":{"id":"CVE-2026-78633","aliases":[],"summary":"Denial of Service in Okta RADIUS Agent Packet Parser","details":"The Okta RADIUS Agent does not validate the sub-attribute length when parsing a Vendor-Specific attribute. A sub-attribute length of zero causes the parser to loop indefinitely, resulting in worker-thread exhaustion and denial of new RADIUS authentication requests.","categories":["Identity & access"],"product":"Okta RADIUS Agent","vendor":"Okta","ecosystem":null,"affected_ranges":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-78633","source_modified_at":"2026-10-16T15:31:55.280Z","fetched_at":"2026-10-23T18:48:36.087640Z","product":"Okta RADIUS Agent","vendor":"Okta","versions":[{"version":"2.17.5","status":"affected","lessThan":"2.28.0","versionType":"semver"}],"defaultStatus":"unaffected"}],"fixed_versions":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-78633","source_modified_at":"2026-10-16T15:31:55.280Z","fetched_at":"2026-10-23T18:48:36.087640Z","package":{"name":"Okta RADIUS Agent","ecosystem":null},"version":"2.28.0","basis":"first unaffected version stated in the CVE record"}],"cvss":6.5,"severity":"Medium","kev":{"listed":false},"epss":{"probability":0.00208,"percentile":0.10325,"score_date":"2026-10-23"},"published_at":"2026-10-13T20:08:40.528Z","modified_at":"2026-10-16T15:31:55.280Z","provenance":[{"source":"CVE List","url":"https://www.cve.org/CVERecord?id=CVE-2026-78633","fetched_at":"2026-10-23T18:48:36.087640Z","source_modified_at":"2026-10-16T15:31:55.280Z"},{"source":"EPSS","url":"https://api.first.org/data/v1/epss?cve=CVE-2026-78633","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2026-10-23"}],"sources":["CVE List","EPSS"],"references":[{"source":"CVE List","url":"https://trust.okta.com/security-advisories/denial-of-service-in-okta-radius-agent-packet-parser-cve-2026-78633"}],"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":"2026-10-16T15:26:09.166312Z"},"classification":{"method":"product-first software-layer rules","rules_version":"2.1","matched_on":"product","confidence":"heuristic","reviewed":false},"change_timestamp":"2026-10-16T15:31:55.280Z","content_hash":"38a6dc865551ef0d38bc4a5a051c1f713406c6f8d468f167a0b7f32d11df5a24"}}