{"id":"EUVD-2026-42358","revision":"14831c521475465baf19aa0c1e7f4e4e","records":[{"revision":"14831c521475465baf19aa0c1e7f4e4e","observedAt":"2026-10-28T06:07:18.84+00:00","statement":{"source":"euvd","id":"EUVD-2026-42358","aliases":["CVE-2026-44332","GHSA-g5vh-55hw-rxm8"],"title":"Fiber is an Express inspired web framework written in Go. Prior to 3.3.0, the default Authorizer function in the BasicAuth middleware in middleware/basicauth/config.go uses short-circuit evaluation that skips password hash comparison for no…","description":"Fiber is an Express inspired web framework written in Go. Prior to 3.3.0, the default Authorizer function in the BasicAuth middleware in middleware/basicauth/config.go uses short-circuit evaluation that skips password hash comparison for non-existent usernames, enabling reliable remote username enumeration through response timing differences. This issue is fixed in version 3.3.0.","state":0,"publishedAt":null,"modifiedAt":null,"affected":[],"metrics":[{"system":"EUVD CVSS 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,"severity":null}],"references":["https://github.com/gofiber/fiber/security/advisories/GHSA-g5vh-55hw-rxm8","https://github.com/gofiber/fiber/pull/4245","https://github.com/gofiber/fiber/commit/c7ac00edd19f9669b1aebbec6e229658baaa059e","https://github.com/gofiber/fiber/releases/tag/v3.3.0"],"sourceUrl":"https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-42358","license":"ENISA EUVD · source terms and attribution apply","enrichment":{"sourceStatus":null,"weaknesses":[],"productCriteria":[],"sourceDates":{"datePublished":"Jul 8, 2026, 7:32:15 PM","dateUpdated":"Jul 9, 2026, 2:33:29 PM"},"relatedAdvisories":[],"note":"EUVD source date text has no stated timezone and is retained without inventing a UTC instant. Related bulletin membership is not an alias, common cause or applicability claim. A missing vector with a zero score is treated as unrated. Complete vendor/product and underlying source evidence remains in the original JSON."},"key":"euvd:EUVD-2026-42358","identifiers":["EUVD-2026-42358","CVE-2026-44332","GHSA-g5vh-55hw-rxm8"]},"retained":false,"historicalAffected":[]}],"coverage":[]}