CVE-2026-78552CWE-693

CVE-2026-78552

Medium · published September 9, 2026

CVSS v3.1
6.0
EPSS
0%
Percentile
18.7
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
6.0 · MEDIUM
Vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:H/A:L
CVSS v4.0
Not supplied
EPSS
0.00274 · 18.7th percentile
Weakness
CWE-693 · Protection Mechanism Failure
Published
2026-09-09T00:18Z
Affected products (1)
ProductVersionsFixed in
okta/access_gateway< 2026.9.12026.9.1
References (1)
https://trust.okta.com/security-advisories/validation-bypass-in-okta-access-gateway-custom-directives-cve-2026-78552 · [email protected]
EPSS history
Timeline
  • 10 SEP 03:18Z
    EPSS moved — → 0%
    epss
  • 08 SEP 20:08Z
    Validation Bypass in Okta Access Gateway Custom Directives
    cvelistv5