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MediumVulnerabilityCVE-2026-118655updated 29 Oct 2026, 15:24 UTC

Echo has a Static Middleware Double-Unescape Path Traversal

Fix availableOfficial, 2 sources
SeverityMediumCVSS 5.9 of 10
Being exploited?UnclearNo reports either way yet
Fix available?Yesgithub.com/labstack/echo/v5 5.2.0, github.com/labstack/echo/v4 4.15.3 · 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< 5.2.05.2.0
github.com/labstack/echo/v4 · go< 4.15.34.15.3

Timeline

  1. 28 Oct 2026, 20:17 UTC
    Publicly disclosed
  2. 28 Oct 2026, 21:04 UTC
    Reported by GitHub Advisory · GitHub Advisory
  3. 28 Oct 2026, 21:05 UTC
    Picked up by Zero Radar
  4. 29 Oct 2026, 15:24 UTC
    NVD reported on it · NVD

Sources 2 reports, oldest first

Official vendor, government CERT or advisory database

Technical details

ID
CVE-2026-118655 · GHSA-xwq5-6cqp-vx96
CVSS
5.9 / 10
Disclosed
28 Oct 2026, 20:17 UTC
On Zero Radar
28 Oct 2026, 21:05 UTC (48 min after disclosure)
Last change
29 Oct 2026, 15:24 UTC

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Echo has a Static Middleware Double-Unescape Path Traversal · Zero Radar