CVE-2026-115546: Authorization Bypass Through User-Controlled Key in Okta Okta Access Gateway
Description
Okta Access Gateway (OAG) contains an authorization bypass vulnerability where the system does not validate the authentication source parameter during sign-on. An authenticated user with an active session can modify this parameter to generate a SAML assertion that grants unauthorized access to the Admin Console. This vulnerability affects versions prior to 2026.10.2 and has a high severity rating.
CVSS v3.1
Score 8.1high
Affected software
Okta
Okta Access Gateway
pkg:github/okta/okta-access-gatewayRun on your own infrastructure? Check whether these packages are installed with threat-finder — our free open-source scanner.
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-115546 describes an authorization bypass vulnerability in Okta Access Gateway. The product fails to validate the selected authentication source during user sign-on. This flaw allows an authenticated user with an active session to manipulate the authentication source parameter, potentially causing the system to issue a SAML assertion that grants access to the Admin Console without proper authorization. The vulnerability is present in versions before 2026.10.2.
Potential Impact
Successful exploitation can lead to unauthorized administrative access to the Okta Access Gateway Admin Console, compromising confidentiality, integrity, and availability of the system. The CVSS 3.1 base score is 8.1 (high), reflecting network attack vector, high impact on confidentiality, integrity, and availability, and requiring no privileges or user interaction.
Mitigation Recommendations
A fix is available in Okta Access Gateway version 2026.10.2. Users should upgrade to this version or later to remediate the vulnerability. Since this is not a cloud service, remediation depends on applying the official patch provided by Okta.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- Okta
- Date Reserved
- 2026-10-22T20:55:19.371Z
- Cvss Version
- 3.1
- State
- PUBLISHED
Threat ID: 6adad4f24d27ba8daabf51fa
Added to database: 10/23/2026, 03:30:58 UTC
Last enriched: 10/23/2026, 03:45:20 UTC
Last updated: 10/23/2026, 03:45:51 UTC
Views: 4
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