{"cve":"CVE-2026-42280","nvd":{"published":"2026-05-27T15:16:27.753","modified":"2026-10-26T11:10:00.157","status":"Analyzed","description":"Auth0.js is a client-side JavaScript library for Auth0. From 8.11.0 to 9.32.0, under specific preconditions, the Auth0.js SDK may improperly return user profile information using a valid access token when a specifically crafted invalid ID token is provided. This vulnerability is fixed in 10.0.0.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:N","score":7.1},"cwes":["CWE-863"],"references":["https://github.com/auth0/auth0.js/security/advisories/GHSA-8qjv-jj2q-x832"],"products":["auth0:auth0.js"],"source":"nvd","synced_at":"2026-10-26T11:33:08.859761529+00:00"},"epss":{"cve":"CVE-2026-42280","score":0.00211,"percentile":0.11262,"date":"2026-10-25"},"kev":null,"osv":[{"id":"GHSA-8qjv-jj2q-x832","url":"https://osv.dev/vulnerability/GHSA-8qjv-jj2q-x832","summary":"Auth.js SDK has Improper Permission Checking","modified":"2026-06-08T23:45:14.633172068Z","packages":[{"ecosystem":"npm","name":"auth0-js","purl":"pkg:npm/auth0-js","ranges":[">=8.11.0 <10.0.0"],"fixed":["10.0.0"]}]}],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}