CVE Feed

    Dashboard / CVE / CVE-2026-44332

    CVE-2026-44332

    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.

    Published:Jul 8, 2026
    Last Modified:Jul 9, 2026
    EPS:Jul 8, 2026
    EPSS Score:0.00516
    CVSS Score:5.3

    Affected Products

    Vendor
    Gofiber
    Product
    Fiber

    Exploits

    https://github.com/gofiber/fiber/security/advisories/GHSA-g5vh-55hw-rxm8

    Common Weakness Enumeration

    CWE-203 Observable Discrepancy

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-189 Black Box Reverse Engineering

    Related CVEs

    CVE-2026-53624 (CVSS 4.8) — Fiber is an Express inspired web framework written in Go. Prior to 3.4.0, the helmet middleware in middleware/…
    CVE-2026-45045 (CVSS 5.3) — Fiber is an Express inspired web framework written in Go. Prior to 3.3.0 and 2.52.14, the BalancerForward prox…
    CVE-2026-42554 (CVSS 5.3) — Fiber is a web framework for Go. Prior to 2.52.12 and 3.1.0, Cross-Site Scripting vulnerability in Go Fiber al…
    CVE-2026-30246 (CVSS 6.5) — Fiber is a web framework for Go. In github.com/gofiber/fiber/v3 versions through 3.1.0, the default key genera…
    CVE-2026-25899 (CVSS 7.5) — Fiber is an Express inspired web framework written in Go. In versions on the v3 branch prior to 3.1.0, the use…
    CVE-2026-25891 (CVSS 7.7) — Fiber is an Express inspired web framework written in Go. A Path Traversal (CWE-22) vulnerability in Fiber all…
    CVE-2026-25882 (CVSS 5.5) — Fiber is an Express inspired web framework written in Go. A denial of service vulnerability exists in Fiber v2…
    CVE-2025-66630 (CVSS 9.2) — Fiber is an Express inspired web framework written in Go. Before 2.52.11, on Go versions prior to 1.24, the un…
    CVE-2025-54801 (CVSS 8.7) — Fiber is an Express inspired web framework written in Go. In versions 2.52.8 and below, when using Fiber's Ctx…
    CVE-2025-48075 (CVSS 7.7) — Fiber is an Express-inspired web framework written in Go. Starting in version 2.52.6 and prior to version 2.52…

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High