{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-107369", "assignerOrgId": "59b22baa-87b2-4371-8e4a-e080df12f74a", "state": "PUBLISHED", "assignerShortName": "Okta", "dateReserved": "2026-10-07T20:59:17.368Z", "datePublished": "2026-10-13T20:08:00.543Z", "dateUpdated": "2026-10-13T20:15:54.239Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "59b22baa-87b2-4371-8e4a-e080df12f74a", "shortName": "Okta", "dateUpdated": "2026-10-13T20:15:54.239Z"}, "title": "Improper Validation of Post-Login Redirect URL in nextjs-auth0", "problemTypes": [{"descriptions": [{"lang": "en", "description": "URL Redirection to Untrusted Site ('Open Redirect')", "cweId": "CWE-601"}]}], "affected": [{"vendor": "Auth0", "product": "nextjs-auth0", "versions": [{"version": "0", "status": "affected", "lessThan": "4.32.0", "versionType": "semver"}], "defaultStatus": "unaffected"}], "descriptions": [{"lang": "en", "value": "The auth0/nextjs-auth0 SDK validates that the returnTo parameter is a same-origin URL. The SDK then stores this value and, in a later step, reconstructs it for the post-authentication redirect. The reconstruction logic can produce a URL that browsers interpret as an absolute or scheme-relative path, leading to a redirect to an unintended domain."}], "metrics": [{"cvssV3_1": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N", "baseScore": 6.1, "baseSeverity": "MEDIUM", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "REQUIRED", "scope": "CHANGED", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "availabilityImpact": "NONE"}}], "solutions": [{"lang": "en", "value": "Upgrade auth0/nextjs-auth0 to version 4.32.0 or greater."}], "references": [{"url": "https://trust.okta.com/security-advisories/improper-validation-of-post-login-redirect-url-in-nextjs-auth0-cve-2026-107369"}, {"url": "https://github.com/auth0/nextjs-auth0/security/advisories/GHSA-5vvp-h2v6-59j6"}]}}}

{}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "nextjs-auth0", "vendor": "Auth0", "versions": [{"lessThan": "4.32.0", "status": "affected", "version": "0", "versionType": "semver"}]}], "source": "psirt@okta.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "The auth0/nextjs-auth0 SDK validates that the returnTo parameter is a same-origin URL. The SDK then stores this value and, in a later step, reconstructs it for the post-authentication redirect. The reconstruction logic can produce a URL that browsers interpret as an absolute or scheme-relative path, leading to a redirect to an unintended domain."}], "id": "CVE-2026-107369", "lastModified": "2026-10-13T21:17:32.093", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 6.1, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "NONE", "scope": "CHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 2.7, "source": "psirt@okta.com", "type": "Secondary"}]}, "published": "2026-10-13T21:17:32.093", "references": [{"source": "psirt@okta.com", "url": "https://github.com/auth0/nextjs-auth0/security/advisories/GHSA-5vvp-h2v6-59j6"}, {"source": "psirt@okta.com", "url": "https://trust.okta.com/security-advisories/improper-validation-of-post-login-redirect-url-in-nextjs-auth0-cve-2026-107369"}], "sourceIdentifier": "psirt@okta.com", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-601"}], "source": "psirt@okta.com", "type": "Secondary"}]}

{}

{}