SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityUndergoing Analysis

CVE-2026-78552

The field is interpolated directly into the nginx server block without inspection, resulting in execution of injected directives.

MEDIUM 6.0EPSS 0.33%

Does this matter?

Lower severity and a low EPSS score (0.33%). Track it; it rarely justifies an emergency change on its own.

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.

CVSS 3.1
6.0 MEDIUMCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:H/A:L
EPSS
0.33% probability · 26th percentile
CISA KEV
Not listed
Weakness
CWE-693
Source
psirt@okta.com

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.