CVE-2026-78633
Medium
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.
SeverityMedium
CVSS6.5
Exploit probability—
Product
Okta RADIUS Agent
PublishedOct 13, 2026
First seenOct 13, 2026
Weakness typeCWE-835CWE-835
How to fix
Update
- Okta Okta RADIUS Agent2.28.0 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| Okta Okta RADIUS Agent | 2.17.5 ≤ v < 2.28.0 | 2.28.0 |
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