Vulnerability in Okta Access Gateway
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 metric
CVSS v3 base score 6.0 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:H/A:L.
Affected products
Weakness classification (CWE)
References
Frequently asked questions
- What is CVE-2026-78552?
- CVE-2026-78552 is a medium-severity vulnerability in Okta Access Gateway, classified under Protection Mechanism Failure. CVSS score: 6.0/10. Published 2026-09-08.
- How severe is CVE-2026-78552?
- Medium severity. CVSS v3 base score is 6.0 out of 10.