CVE-2026-78552: medium-severity vulnerability in Okta Access Gateway
Validation Bypass in Okta Access Gateway Custom Directives
Published · Updated
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13Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 6epss 0.4%
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/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:H/A:L
Affected products
Okta · Okta Access GatewayRelated CVEs — Okta Access Gateway
In the same product, most dangerous first.
CVE-2026-115547CRITICALCommand Execution via Admin Console Input in Okta Access GatewayEPSS 0.5%CVE-2026-78624MEDIUMImproper Path Validation in Okta Access Gateway Backup and Restore FunctionalityEPSS 0.5%CVE-2026-78623HIGHImproper Handling of SAML Assertion Attributes in Okta Access Gateway Advanced Mode DatastoresEPSS 0.4%CVE-2026-115546HIGHAuthentication Source Verification Issue in Okta Access GatewayEPSS 0.4%CVE-2026-78550MEDIUMImproper Input Handling in Okta Access Gateway Management Console Exception HandlerEPSS 0.4%CVE-2026-78545MEDIUMImproper Input Sanitization in Okta Access Gateway Application Label ConfigurationEPSS 0.4%