CVE-2026-78633Denial of Service in Okta RADIUS Agent Packet Parser

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.

Data: CVE.org, NVD, CISA KEV, FIRST EPSS, Ubuntu. Published as the sources state it, in English.

Affected products and versions

References and patches

• https://trust.okta.com/security-advisories/denial-of-service-in-okta-radius-agent-packet-parser-cve-2026-78633