{"cve":"CVE-2022-40482","nvd":{"published":"2023-04-25T19:15:10.180","modified":"2026-06-17T05:01:26.353","status":"Analyzed","description":"The authentication method in Laravel 8.x through 9.x before 9.32.0 was discovered to be vulnerable to user enumeration via timeless timing attacks with HTTP/2 multiplexing. This is caused by the early return inside the hasValidCredentials method in the Illuminate\\Auth\\SessionGuard class when a user is found to not exist.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","score":5.3},"cwes":["CWE-203"],"references":["https://ephort.dk/blog/laravel-timing-attack-vulnerability/","https://github.com/ephort/laravel-user-enumeration-demo","https://github.com/laravel/framework/pull/44069","https://github.com/laravel/framework/releases/tag/v9.32.0","https://ephort.dk/blog/laravel-timing-attack-vulnerability/"],"products":["laravel:framework"],"source":"nvd","synced_at":"2026-10-19T21:38:05.473481323+00:00"},"epss":{"cve":"CVE-2022-40482","score":0.00888,"percentile":0.59324,"date":"2026-10-31"},"kev":null,"osv":[],"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."]}