# github.com/gofiber/fiber/v3 (Go) vulnerabilities

8 known vulnerabilities (2 high, 6 medium), with the versions each affects and the releases that fix them.

## At a glance

- Latest release: not known (cve.now hasn't read this package's releases)
- Newest unaffected release: not known without release data
- Registry: https://pkg.go.dev/github.com/gofiber/fiber/v3

## Advisories (8)

### [CVE-2026-44332](https://cve.now/CVE-2026-44332): Fiber: Username Enumeration via Timing Oracle in BasicAuth Default Authorizer

- Severity: Medium 5.3
- Published: Jul 8, 2026
- Affected: fixed in 3.3.0.

### [CVE-2026-53624](https://cve.now/CVE-2026-53624): Fiber: HSTS header never set in helmet middleware due to incorrect protocol check

- Severity: Medium 4.8
- Published: Jul 8, 2026
- Affected: fixed in 3.4.0.

### [CVE-2026-45045](https://cve.now/CVE-2026-45045): Fiber: X-Real-IP Spoofing via Header.Add() in BalancerForward

- Severity: Medium 5.3
- Published: Jul 8, 2026
- Affected: fixed in 3.3.0.

### [CVE-2026-42554](https://cve.now/CVE-2026-42554): Fiber: XSS in AutoFormat Content Negotiation

- Severity: Medium 5.3
- Published: May 11, 2026
- Affected: fixed in 3.2.0.

### [CVE-2026-30246](https://cve.now/CVE-2026-30246): github.com/gofiber/fiber/v3 cache middleware can mix responses across query parameters

- Severity: Medium 6.5
- Published: May 5, 2026
- Affected: fixed in 3.2.0.

### [CVE-2026-25899](https://cve.now/CVE-2026-25899): Fiber is Vulnerable to Denial of Service via Flash Cookie Unbounded Allocation

- Severity: High 7.5
- Published: Feb 24, 2026
- Affected: fixed in 3.1.0.

### [CVE-2026-25891](https://cve.now/CVE-2026-25891): Fiber has an Arbitrary File Read in Static Middleware on Windows

- Severity: High 7.7
- Published: Feb 24, 2026
- Affected: fixed in 3.1.0.

### [CVE-2026-25882](https://cve.now/CVE-2026-25882): Fiber has a Denial of Service Vulnerability via Route Parameter Overflow

- Severity: Medium 5.5
- Published: Feb 24, 2026
- Affected: fixed in 3.1.0.

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