CVE-2026-78552

MediumCVSS 4.9/10Last modified Sep 23, 2026

Description

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.

Metrics

CVSS 3.1 4.9/10CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:N

Weakness enumeration

CWE-693

Affected software

Vendor	Product	Versions
Okta	Okta Access Gateway	< 2026.9.1

References

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

Timeline

Published: Sep 8, 2026
Last modified: Sep 23, 2026
NVD status: Analyzed

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