CVE-2026-44332 | BDVDB-2026-346207 Detail

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.

Impact#

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Exploit#

History#

1. Version 12026-07-08Record published in the CVE List.
2. Version 22026-07-09Most recent update recorded in the CVE List.