What is CVE-2026-115546?

CVE-2026-115546 is a high-severity vulnerability in Okta Access Gateway, classified under Improper Authentication. CVSS score: 8.1/10. Published 2026-10-23.

How severe is CVE-2026-115546?

High severity. CVSS v3 base score is 8.1 out of 10.

Auth bypass in Okta Access Gateway

CVE-2026-115546

Okta Access Gateway (OAG) does not validate the selected authentication source during sign-on. An authenticated user with an active session can modify the authentication source parameter, which may generate a SAML assertion granting access to the Admin Console.

Vulnerability class: Broken Authentication

Published 2026-10-23 · last modified 2026-10-23.

CVSS v3 metric

CVSS v3 base score 8.1 (High). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.

Affected products

Okta Access Gateway

Weakness classification (CWE)

References

trust.okta.com/security-advisories/authentication-source-verification-issue-in-…

Frequently asked questions

What is CVE-2026-115546?: CVE-2026-115546 is a high-severity vulnerability in Okta Access Gateway, classified under Improper Authentication. CVSS score: 8.1/10. Published 2026-10-23.
How severe is CVE-2026-115546?: High severity. CVSS v3 base score is 8.1 out of 10.