{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-78633","assignerOrgId":"59b22baa-87b2-4371-8e4a-e080df12f74a","state":"PUBLISHED","assignerShortName":"Okta","dateReserved":"2026-08-24T22:04:00.475Z","datePublished":"2026-10-13T20:08:40.528Z","dateUpdated":"2026-10-16T15:31:55.280Z"},"containers":{"cna":{"providerMetadata":{"orgId":"59b22baa-87b2-4371-8e4a-e080df12f74a","shortName":"Okta","dateUpdated":"2026-10-13T20:16:34.296Z"},"title":"Denial of Service in Okta RADIUS Agent Packet Parser","problemTypes":[{"descriptions":[{"lang":"en","description":"Loop with Unreachable Exit Condition ('Infinite Loop')","cweId":"CWE-835"}]}],"affected":[{"vendor":"Okta","product":"Okta RADIUS Agent","versions":[{"version":"2.17.5","status":"affected","lessThan":"2.28.0","versionType":"semver"}],"defaultStatus":"unaffected"}],"descriptions":[{"lang":"en","value":"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."}],"metrics":[{"cvssV3_1":{"version":"3.1","vectorString":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","baseScore":6.5,"baseSeverity":"MEDIUM","attackVector":"ADJACENT_NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"HIGH"}}],"solutions":[{"lang":"en","value":"Upgrade the Okta RADIUS Agent to version 2.28.0 or greater."}],"references":[{"url":"https://trust.okta.com/security-advisories/denial-of-service-in-okta-radius-agent-packet-parser-cve-2026-78633"}]},"adp":[{"metrics":[{"other":{"type":"ssvc","content":{"id":"CVE-2026-78633","role":"CISA Coordinator","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"version":"2.0.3","timestamp":"2026-10-16T15:26:09.166312Z"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2026-10-16T15:31:55.280Z"}}]}}