CVE-2026-78633

mediumpriority · track · 0EPSS 0.002 · 10 %ile

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

0.21% (10th) EPSS

CVSS 6.5 · medium

Is it mine?

0 products

Check your exposure

Who says so?

— sources

EPSS · scored 2026-10-22

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.

01

cvss

Technical severity, 0–10. One row per scoring source.

6.5

010

base score 0–10 · higher = more severe · hover a vector to decode

v3.16.5mediumCVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:Hsecondary · psirt@okta.comexploitability 2.8 · impact 3.6

v3.16mediumCVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:Usecondary · CVSS-BT (t0sche)

02

weaknesses

The CWE weakness classes this flaw belongs to.

03

affected products

Products and version ranges known to be affected.

No affected products recorded.

04

sources

Which sources assert this record, and when.

NVD CVE.org MITRE

published 2026-10-13modified 2026-10-16

05

references (1) nvd

External citations — patches, advisories, analysis.

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

scry

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