CVE-2026-78633CWE-835

CVE-2026-78633

Medium · published October 14, 2026

CVSS v3.1
6.5
EPSS
0%
Percentile
10.3
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
6.5 · MEDIUM
Vector
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS v4.0
Not supplied
EPSS
0.00208 · 10.3th percentile
Weakness
CWE-835 · Loop with Unreachable Exit Condition ('Infinite Loop')
Published
2026-10-14T01:18Z
References (1)
https://trust.okta.com/security-advisories/denial-of-service-in-okta-radius-agent-packet-parser-cve-2026-78633 · [email protected]
EPSS history
Timeline
  • 15 OCT 03:34Z
    EPSS moved — → 0%
    epss
  • 13 OCT 20:08Z
    Denial of Service in Okta RADIUS Agent Packet Parser
    cvelistv5
  • 13 OCT 20:08Z
    Denial of Service in Okta RADIUS Agent Packet Parser
    cvelistv5