{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-78552", "assignerOrgId": "59b22baa-87b2-4371-8e4a-e080df12f74a", "state": "PUBLISHED", "assignerShortName": "Okta", "dateReserved": "2026-08-24T19:22:41.548Z", "datePublished": "2026-09-08T20:08:58.455Z", "dateUpdated": "2026-09-08T20:08:58.455Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "59b22baa-87b2-4371-8e4a-e080df12f74a", "shortName": "Okta", "dateUpdated": "2026-09-08T20:08:58.455Z"}, "title": "Validation Bypass in Okta Access Gateway Custom Directives", "problemTypes": [{"descriptions": [{"lang": "en", "description": "Protection Mechanism Failure", "cweId": "CWE-693"}]}], "affected": [{"vendor": "Okta", "product": "Okta Access Gateway", "versions": [{"version": "0", "status": "affected", "lessThan": "2026.9.1", "versionType": "semver"}], "defaultStatus": "unaffected"}], "descriptions": [{"lang": "en", "value": "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."}], "metrics": [{"cvssV3_1": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:H/A:L", "baseScore": 6, "baseSeverity": "MEDIUM", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "HIGH", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "LOW", "integrityImpact": "HIGH", "availabilityImpact": "LOW"}}], "solutions": [{"lang": "en", "value": "Upgrade the Okta Access Gateway appliance to version 2026.9.1 or greater."}], "references": [{"url": "https://trust.okta.com/security-advisories/validation-bypass-in-okta-access-gateway-custom-directives-cve-2026-78552"}]}}}

{}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Okta Access Gateway", "vendor": "Okta", "versions": [{"lessThan": "2026.9.1", "status": "affected", "version": "0", "versionType": "semver"}]}], "source": "psirt@okta.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "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."}], "id": "CVE-2026-78552", "lastModified": "2026-09-08T21:13:32.293", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "LOW", "baseScore": 6.0, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "HIGH", "privilegesRequired": "HIGH", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:H/A:L", "version": "3.1"}, "exploitabilityScore": 1.2, "impactScore": 4.7, "source": "psirt@okta.com", "type": "Secondary"}]}, "published": "2026-09-08T20:18:36.073", "references": [{"source": "psirt@okta.com", "url": "https://trust.okta.com/security-advisories/validation-bypass-in-okta-access-gateway-custom-directives-cve-2026-78552"}], "sourceIdentifier": "psirt@okta.com", "vulnStatus": "Awaiting Analysis", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-693"}], "source": "psirt@okta.com", "type": "Secondary"}]}

{}

{}