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MediumVulnerabilityCVE-2026-118658updated 28 Oct 2026, 21:17 UTC

Echo has Arbitrary Scheme Injection in WWWRedirect/NonWWWRedirect Middlewares via X-Forwarded-Proto

Fix availableOfficial, 2 sources
SeverityMediumCVSS 4.7 of 10
Being exploited?UnclearNo reports either way yet
Fix available?Yesgithub.com/labstack/echo/v5 5.1.1, github.com/labstack/echo/v4 4.15.2 · since 28 Oct 2026
How sure is this?Official, 2 sourcesBacked by an official source

Are you affected?

Package / productAffected versionsFixed in
github.com/labstack/echo/v5 · go< 5.1.15.1.1
github.com/labstack/echo/v4 · go< 4.15.24.15.2

Timeline

  1. 28 Oct 2026, 21:04 UTC
    Publicly disclosed
  2. 28 Oct 2026, 21:04 UTC
    Reported by GitHub Advisory · GitHub Advisory
  3. 28 Oct 2026, 21:04 UTC
    Picked up by Zero Radar
  4. 28 Oct 2026, 21:17 UTC
    NVD reported on it · NVD

Sources 2 reports, oldest first

Official vendor, government CERT or advisory database

Technical details

ID
CVE-2026-118658 · GHSA-23wf-92cp-8pcj
CVSS
4.7 / 10
EPSS
0.2% chance of exploitation within 30 days
Disclosed
28 Oct 2026, 21:04 UTC
On Zero Radar
28 Oct 2026, 21:04 UTC (0 min after disclosure)
Last change
28 Oct 2026, 21:17 UTC

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Echo has Arbitrary Scheme Injection in WWWRedirect/NonWWWRedirect Middlewares via X-Forwarded-Proto · Zero Radar