CVE-2026-115546

High

Description

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.

SeverityHigh

CVSS8.1

Exploit probability—

Product

Okta Access Gateway

PublishedOct 23, 2026

First seenOct 23, 2026

Weakness typeCWE-639Authorization bypass through user-controlled key CWE-287Improper authentication

How to fix

Update

Okta Okta Access Gateway2026.10.2 or later

Affected products

Product	Affected versions	Fixed in
Okta Okta Access Gateway	v < 2026.10.2	2026.10.2

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