{"id":"CVE-2026-78552","title":"The Okta Access Gateway does not apply its Lua directive restriction to the application-level custom configuration field","summary":"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 inject…","severity":"medium","cvss":6,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:H/A:L","cwe":["CWE-693"],"vendor":"Okta","product":"Okta Access Gateway","affected":["access_gateway < 2026.9.1"],"published":"2026-09-08","updated":"2026-09-10","sourceUpdated":"2026-09-10T18:18:08.237","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-78552","references":[{"url":"https://trust.okta.com/security-advisories/validation-bypass-in-okta-access-gateway-custom-directives-cve-2026-78552","label":"psirt@okta.com"}],"tags":["nvd","cve.org"],"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"partial","timestamp":"2026-09-10T17:49:35.554063Z"},"epss":0.00329,"epssPercentile":0.2621,"ingestedAt":"2026-09-08T21:11:12.319Z","slug":"CVE-2026-78552","body":"## Overview\n\nThe 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.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":33,"depthScoreParts":{"impact":33,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[]}