{"api_version":"1","generated_at":"2026-11-10T23:06:04+00:00","cve":"CVE-2026-126129","urls":{"html":"https://cve.report/CVE-2026-126129","api":"https://cve.report/api/cve/CVE-2026-126129.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-126129","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-126129"},"summary":{"title":"CVE-2026-126129","description":"The Auth0 ASP.NET Core Authentication SDK incorrectly determines a session's OIDC Back-Channel Logout status, which may result in a logged-out session being accepted for access to protected endpoints.","state":"PUBLISHED","assigner":"Okta","published_at":"2026-11-10 22:18:31","updated_at":"2026-11-10 22:18:31"},"problem_types":["CWE-287","CWE-807","CWE-1254","CWE-807 CWE-807: Reliance on Untrusted Inputs in a Security Decision","CWE-287 CWE-287: Improper Authentication","CWE-1254 CWE-1254: Incorrect Comparison Logic Granularity"],"metrics":[],"references":[{"url":"https://trust.okta.com/security-advisories/improper-backchannel-session-revocation-in-the-auth0-asp-net-core-authentication-sdk-cve-2026-126129","name":"https://trust.okta.com/security-advisories/improper-backchannel-session-revocation-in-the-auth0-asp-net-core-authentication-sdk-cve-2026-126129","refsource":"psirt@okta.com","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-126129","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-126129","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Auth0","product":"Auth0 ASP.NET Core Authentication","version":"affected 1.12.0 semver","platforms":[]}],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[],"vendor_comments":[],"enrichments":{"kev":null,"epss":null,"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"cna":{"affected":[{"defaultStatus":"unaffected","product":"Auth0 ASP.NET Core Authentication","vendor":"Auth0","versions":[{"lessThan":"1.12.0","status":"affected","version":"0","versionType":"semver"}]}],"descriptions":[{"lang":"en","value":"The Auth0 ASP.NET Core Authentication SDK incorrectly determines a session's OIDC Back-Channel Logout status, which may result in a logged-out session being accepted for access to protected endpoints."}],"problemTypes":[{"descriptions":[{"cweId":"CWE-807","description":"CWE-807: Reliance on Untrusted Inputs in a Security Decision","lang":"en","type":"CWE"}]},{"descriptions":[{"cweId":"CWE-287","description":"CWE-287: Improper Authentication","lang":"en","type":"CWE"}]},{"descriptions":[{"cweId":"CWE-1254","description":"CWE-1254: Incorrect Comparison Logic Granularity","lang":"en","type":"CWE"}]}],"providerMetadata":{"dateUpdated":"2026-11-10T21:14:09.582Z","orgId":"59b22baa-87b2-4371-8e4a-e080df12f74a","shortName":"Okta"},"references":[{"url":"https://trust.okta.com/security-advisories/improper-backchannel-session-revocation-in-the-auth0-asp-net-core-authentication-sdk-cve-2026-126129"}],"x_generator":{"engine":"cvelib 1.8.0"}}},"cveMetadata":{"assignerOrgId":"59b22baa-87b2-4371-8e4a-e080df12f74a","assignerShortName":"Okta","cveId":"CVE-2026-126129","datePublished":"2026-11-10T21:14:09.582Z","dateReserved":"2026-11-10T18:52:30.790Z","dateUpdated":"2026-11-10T21:14:09.582Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-11-10 22:18:31","lastModifiedDate":"2026-11-10 22:18:31","problem_types":["CWE-287","CWE-807","CWE-1254","CWE-807 CWE-807: Reliance on Untrusted Inputs in a Security Decision","CWE-287 CWE-287: Improper Authentication","CWE-1254 CWE-1254: Incorrect Comparison Logic Granularity"],"metrics":[],"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"126129","Ordinal":"1","Title":"CVE-2026-126129","CVE":"CVE-2026-126129","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"126129","Ordinal":"1","NoteData":"The Auth0 ASP.NET Core Authentication SDK incorrectly determines a session's OIDC Back-Channel Logout status, which may result in a logged-out session being accepted for access to protected endpoints.","Type":"Description","Title":"CVE-2026-126129"}]}}}