{"id":"CVE-2026-78633","url":"https://www.cyber-defence.io/tools/cve/CVE-2026-78633","generatedAt":"2026-10-28T01:50:35.874Z","title":"A sub-attribute length of zero causes the parser to loop indefinitely, resulting in worker-thread exhaustion and denial of new RADIUS authentication requests.","description":"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.","published":"2026-10-13T21:18:22.000Z","lastModified":"2026-10-16T16:21:04.000Z","status":"Awaiting Analysis","sourceIdentifier":"psirt@okta.com","cvss":{"version":"3.1","score":6.5,"severity":"MEDIUM","vector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"},"cwe":["CWE-835"],"affected":[],"epss":{"score":0.00208,"percentile":0.10776,"date":"2026-10-26","history":[{"date":"2026-10-14","score":0.00208,"percentile":0.10139}]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"low","text":"Lower severity and a low EPSS score (0.21%). Track it; it rarely justifies an emergency change on its own."},"changes":[{"kind":"new","label":"New CVE","at":"2026-10-13T21:18:22.000Z","detail":{"score":"6.5","severity":"MEDIUM","publishedAt":"2026-10-13T21:18:21.853Z"},"summary":"New CVE, medium severity (CVSS 6.5)."}],"references":[{"url":"https://trust.okta.com/security-advisories/denial-of-service-in-okta-radius-agent-packet-parser-cve-2026-78633","source":"psirt@okta.com"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-78633","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}