CVE-2026-78552

4.9 mediumEPSS 0.4%

Medium (4.9) in okta access gateway. EPSS 0.4% chance of exploitation in the next 30 days.

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.

Severity

CVSS 3.1

4.9 medium

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

EPSS: 0.4% chance of exploitation in the next 30 days; higher than 32% of CVEs (scores of 2026-10-31)
CWE: CWE-693
Published: 2026-09-08
Modified: 2026-09-23
Record from: the NVD, synced 2026-10-19

Affected

okta:access_gateway

References

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

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