CVE-2026-78552

medium

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.

References

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

Details

Source: Mitre, NVD

Published: 2026-09-08

Updated: 2026-09-10

Risk Information

CVSS v2

Base Score: 7.3

Vector: CVSS2#AV:N/AC:L/Au:M/C:P/I:C/A:P

Severity: High

CVSS v3

Base Score: 6

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

Severity: Medium

EPSS

EPSS: 0.00329