{"id":"CVE-2026-42280","revision":"a0a5fa56e1cf4569a0cc92fb98e4a9da","records":[{"revision":"a0a5fa56e1cf4569a0cc92fb98e4a9da","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-42280","aliases":[],"title":"Improper Permission Checking in Auth.js SDK","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.","state":0,"publishedAt":"2026-05-27T14:39:15.789+00:00","modifiedAt":"2026-05-28T15:36:56.102+00:00","affected":[{"ecosystem":"Vendor product","name":"auth0.js","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"auth0\",\n                    \"product\": \"auth0.js\",\n                    \"versions\": [\n                        {\n                            \"version\": \">= 8.11.0 , <= 9.32.0\",\n                            \"status\": \"affected\"\n                        }\n                    ]\n                }"}],"metrics":[{"system":"CVSS 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,"severity":"HIGH"}],"references":["https://github.com/auth0/auth0.js/security/advisories/GHSA-8qjv-jj2q-x832"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-42280","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-42280","identifiers":["CVE-2026-42280"]},"retained":false,"historicalAffected":[]}],"coverage":[]}