# CVE-2026-115546: Authentication Source Verification Issue in Okta Access Gateway

> CVE-2026-115546: Authentication Source Verification Issue in Okta Access Gateway. CVSS 8.1 (CVSS 3.1).

Canonical: https://rewindex.com/cve/CVE-2026-115546
Last updated: 2026-10-23T16:44:17Z

- Published: 2026-10-23 03:06 UTC · Updated: 2026-10-23 16:44 UTC · Assigner: Okta
- CVSS: 8.1 (CVSS 3.1) · Severity: High · Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
- EPSS: 0.42%, 36th percentile (scored 2026-10-25)
- CISA KEV: no
- CWE: CWE-287, CWE-639

## 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.

## Affected vendors and products

- Okta: Okta Access Gateway

## Tracked companies

- [Okta](https://rewindex.com/company/okta.md)

## References

- [CVE record on cve.org](https://www.cve.org/CVERecord?id=CVE-2026-115546)
- [NVD entry](https://nvd.nist.gov/vuln/detail/CVE-2026-115546)
- [http://trust.okta.com/security-advisories/authentication-source-verification-issue-in-okta-access-gateway-cve-2026-115546](http://trust.okta.com/security-advisories/authentication-source-verification-issue-in-okta-access-gateway-cve-2026-115546)

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_Sources: CVE records from the CVE Program (cve.org). CVE® is a registered trademark of The MITRE Corporation. (https://www.cve.org/) This product uses data from the NVD API but is not endorsed or certified by the NVD. (https://nvd.nist.gov/) Known Exploited Vulnerabilities catalog from CISA. (https://www.cisa.gov/known-exploited-vulnerabilities-catalog) EPSS scores from FIRST (Exploit Prediction Scoring System). (https://www.first.org/epss/)_


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Canonical: https://rewindex.com/cve/CVE-2026-115546 · Markdown: https://rewindex.com/cve/CVE-2026-115546.md · JSON: https://rewindex.com/api/v1/cves/CVE-2026-115546 · Data licensed CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/) · Generated 2026-10-26T03:13:15.305Z