CVE-2026-78560Improper Authentication Validation in Okta Access Gateway Pass-Through Authentication Source

Description

The Okta Access Gateway includes an optional pass-through authentication source that accepts user identity from a client-supplied HTTP header without cryptographic validation. In architectures where this optional source is enabled without an upstream reverse proxy or firewall configured to sanitize and enforce client headers, an unauthenticated user can supply an arbitrary identity value to initiate a session.

Data: CVE.org, NVD, CISA KEV, FIRST EPSS, Ubuntu. Published as the sources state it, in English.

Affected products and versions

References and patches

• https://trust.okta.com/security-advisories/improper-authentication-validation-in-okta-access-gateway-pass-thr… Vendor Advisory