CVE-2026-115546

Authentication Source Verification Issue in Okta Access Gateway

Published Oct 23, 2026 CVSS 3.1 · 8.1 High EPSS < 1% KEV · Not listed
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.

Remediation

Vendor Solution

Upgrade the Okta Access Gateway appliance to version 2026.10.2 or greater.

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
First Time appeared Okta
Okta access Gateway
Vendors & Products Okta
Okta access Gateway
Type Values Removed Values Added
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.
Title Authentication Source Verification Issue in Okta Access Gateway
Weaknesses CWE-287
CWE-639
References
Metrics cvssV3_1

{'score': 8.1, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
Okta
Published
Updated
Oct 23, 2026, 10:56 AM
Reserved
Oct 22, 2026, 8:55 PM
Status
Awaiting Analysis
Published
Oct 23, 2026, 4:18 AM
Modified
Oct 23, 2026, 4:44 PM