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CVE-2026-44332
MEDIUM(5.3)CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Risk Signal Score23/100 — NIEDRIG
- CVSS 5.3 — Mittel
- Weniger als 24 Stunden alt
Beschreibung
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.
GitHub Advisories
GHSA-g5vh-55hw-rxm8MEDIUM
GoFiber Vulnerable to Username Enumeration via Timing Oracle in BasicAuth Default Authorizer
go/github.com/gofiber/fiber/v3→ 3.3.0
GitHub Advisory