CVE-2026-78552

{"id": "CVE-2026-78552", "cveTags": [], "metrics": {"ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-78552", "role": "CISA Coordinator", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "version": "2.0.3", "timestamp": "2026-09-10T17:49:35.554063Z"}}], "cvssMetricV31": [{"type": "Secondary", "source": "psirt@okta.com", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 6.0, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:H/A:L", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "LOW", "privilegesRequired": "HIGH", "confidentialityImpact": "LOW"}, "impactScore": 4.7, "exploitabilityScore": 1.2}]}, "affected": [{"source": "psirt@okta.com", "affectedData": [{"vendor": "Okta", "product": "Okta Access Gateway", "versions": [{"status": "affected", "version": "0", "lessThan": "2026.9.1", "versionType": "semver"}], "defaultStatus": "unaffected"}]}], "published": "2026-09-08T20:18:36.073", "references": [{"url": "https://trust.okta.com/security-advisories/validation-bypass-in-okta-access-gateway-custom-directives-cve-2026-78552", "source": "psirt@okta.com"}], "vulnStatus": "Undergoing Analysis", "weaknesses": [{"type": "Secondary", "source": "psirt@okta.com", "description": [{"lang": "en", "value": "CWE-693"}]}], "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."}], "lastModified": "2026-09-10T18:18:08.237", "sourceIdentifier": "psirt@okta.com"}