{ "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": "2026-10-13T20:16:34.296Z" }, "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" } ] } } }