CVE-2026-78633
Denial of Service in Okta RADIUS Agent Packet Parser
CVSS Score
6.5
EPSS Score
0.0%
EPSS Percentile
0th
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.
| CWE | CWE-835 |
| Vendor | okta |
| Product | okta radius agent |
| Published | Oct 13, 2026 |
| Last Updated | Oct 13, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Attack Vector
Adjacent
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High
Affected Versions
Okta / Okta RADIUS Agent
2.17.5 < 2.28.0