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Echo: Reverse Proxy Forwards Attacker-Supplied X-Real-IP to Upstream by Default

cve-program · CVE-2026-118651

Published

echo

Vendor product

Original vendor version evidence · not evaluated as a NuGet range
{
                    "vendor": "labstack",
                    "product": "echo",
                    "versions": [
                        {
                            "version": ">= 4.0.0, < 5.4.0",
                            "status": "affected"
                        }
                    ]
                }

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

euvd · EUVD-2026-112406

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: Oct 28, 2026, 7:30:01 PM

dateUpdated: Oct 29, 2026, 8:53:54 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-2026-118651

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: Undergoing Analysis

Weakness classifications: CWE-346

Original publisher date fields

published: 2026-10-28T20:17:22.073

lastModified: 2026-10-29T21:17:16.260

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

osv · GHSA-99jh-6h7p-pp36

Published

github.com/labstack/echo/v5

Go

SEMVER · introduced 0 → fixed 5.4.0

github.com/labstack/echo/v4

Go

SEMVER · introduced 4.0.0 → last_affected 4.16.2

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

osv · GO-2026-6875

Published

github.com/labstack/echo/v4

Go

SEMVER · introduced 4.0.0

github.com/labstack/echo/v5

Go

SEMVER · introduced 0 → fixed 5.4.0

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

ChangeIntel

An IT change radar: releases, security, known issues, retirements, documentation changes, and service status from public sources. Every item links to supporting evidence; dates and statuses can change after they are read.

Sources read 7 Nov 03:42 UTC · 275 of 275 readable · 274 fully read · documentation 469/469 current