EUVD-2026-42351Published

Fiber: X-Real-IP Spoofing via Header.Add() in BalancerForward

cve-program · CVE-2026-45045

Published

fiber

Vendor product

Original vendor version evidence · not evaluated as a NuGet range

{
                    "vendor": "gofiber",
                    "product": "fiber",
                    "versions": [
                        {
                            "version": ">= 3.0.0-beta.2, < 3.3.0",
                            "status": "affected"
                        },
                        {
                            "version": "< 2.52.14",
                            "status": "affected"
                        }
                    ]
                }

Original source record · Cite this exact observation · Complete original publisher JSON

euvd · EUVD-2026-42351

Published

EUVD source date text has no stated timezone and is retained without inventing a UTC instant. Related bulletin membership is not an alias, common cause or applicability claim. A missing vector with a zero score is treated as unrated. Complete vendor/product and underlying source evidence remains in the original JSON.

Original publisher date fields

datePublished: Jul 8, 2026, 7:26:26 PM

dateUpdated: Jul 9, 2026, 1:20:08 PM

No normalized affected-package data is projected for this source revision. The original publisher record may contain additional product and version evidence; this does not establish that a package is unaffected.

Original source record · Cite this exact observation · Complete original publisher JSON

nvd · CVE-2026-45045

Published

NVD analysis and CPE criteria are source context, not proof that a package or your environment is affected. Complete affected data, logical configurations and SSVC are retained in the original JSON.

Source analysis status: Analyzed

Weakness classifications: CWE-290

Original publisher date fields

published: 2026-07-08T20:16:50.060

lastModified: 2026-10-25T17:10:00.197

1 source CPE criteria · context only

cpe:2.3:a:gofiber:fiber:*:*:*:*:*:go:*:*

The original JSON retains the logical configuration operators, exclusions and version bounds.

Original source record · Cite this exact observation · Complete original publisher JSON

osv · GHSA-gcfq-8gqf-4876

Published

github.com/gofiber/fiber/v3

SEMVER · introduced 0 → fixed 3.3.0

github.com/gofiber/fiber/v2

SEMVER · introduced 0 → fixed 2.52.14

Original source record · Cite this exact observation · Complete original publisher JSON

osv · GO-2026-5887

Published

github.com/gofiber/fiber/v3

SEMVER · introduced 0 → fixed 3.3.0

Original source record · Cite this exact observation · Complete original publisher JSON