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

CVE-2026-78560

Improper Authentication Validation in Okta Access Gateway Pass-Through Authentication Source PUBLISHED

Description (CNA)

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.

Affected (CNA)

Vendor / product	Versions
Okta / Okta Access Gateway	affected 0 before 2026.9.1

CWE

CWE-287

References

https://trust.okta.com/security-advisories/improper-authentication-validation-in-okta-access-gateway-pass-through-authentication-source-cve-2026-78560

ADP enrichment

CISA-ADP

No English description supplied.

No references supplied.