CVE-2026-78552

The Okta Access Gateway does not apply its Lua directive restriction to the application-level custom configuration field. The field is interpolated directly into the nginx server block without inspection, resulting in execution of injected directives.

CVSS v3 6.0 MEDIUM

6.0^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 1.2 / Impact : 4.7

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required HIGH

User Interaction NONE

Confidentiality Impact LOW

Integrity Impact HIGH

Availability Impact LOW

Scope UNCHANGED

References

Link	Resource
https://trust.okta.com/security-advisories/validation-bypass-in-okta-access-gateway-custom-directives-cve-2026-78552	Vendor Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:okta:access_gateway:*:*:*:*:*:*:*:*

History

23 Sep 2026, 17:51

Type	Values Removed	Values Added
First Time		Okta access Gateway Okta
CPE		cpe:2.3:a:okta:access_gateway::::::::
References	~~() https://trust.okta.com/security-advisories/validation-bypass-in-okta-access-gateway-custom-directives-cve-2026-78552 -~~	() https://trust.okta.com/security-advisories/validation-bypass-in-okta-access-gateway-custom-directives-cve-2026-78552 - Vendor Advisory

Information

Published : 2026-09-08 20:18

Updated : 2026-09-23 17:51

NVD link : CVE-2026-78552

Mitre link : CVE-2026-78552

CVE.ORG link : CVE-2026-78552

JSON object : View

Products Affected

okta

access_gateway

CWE

CWE-693

Protection Mechanism Failure

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