data/osv/GO-2026-5887.json

{
  "schema_version": "1.3.1",
  "id": "GO-2026-5887",
  "modified": "0001-01-01T00:00:00Z",
  "published": "0001-01-01T00:00:00Z",
  "aliases": [
    "CVE-2026-45045",
    "GHSA-gcfq-8gqf-4876"
  ],
  "summary": "GoFiber Vulnerable to X-Real-IP Spoofing via Header.Add() in BalancerForward in github.com/gofiber/fiber",
  "details": "GoFiber Vulnerable to X-Real-IP Spoofing via Header.Add() in BalancerForward in github.com/gofiber/fiber",
  "affected": [
    {
      "package": {
        "name": "github.com/gofiber/fiber/v3",
        "ecosystem": "Go"
      },
      "ranges": [
        {
          "type": "SEMVER",
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "3.3.0"
            }
          ]
        }
      ],
      "ecosystem_specific": {
        "imports": [
          {
            "path": "github.com/gofiber/fiber/v3/middleware/proxy",
            "symbols": [
              "Balancer",
              "BalancerForward"
            ]
          }
        ]
      }
    }
  ],
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://github.com/gofiber/fiber/security/advisories/GHSA-gcfq-8gqf-4876"
    },
    {
      "type": "FIX",
      "url": "https://github.com/gofiber/fiber/pull/4260"
    }
  ],
  "database_specific": {
    "url": "https://pkg.go.dev/vuln/GO-2026-5887",
    "review_status": "REVIEWED"
  }
}