GO-2026-6293

    Dashboard / Vulnerabilities / GO-2026-6293

    GO-2026-6293

    Published: 26 Aug 2026Last Modified: 26 Aug 2026

    Summary: Encoded slash (%2F) bypasses route-level protection and exposes static files in github.com/labstack/echo/v4 and github.com/labstack/echo/v5

    Details: Encoded slash (%2F) bypasses route-level protection and exposes static files in github.com/labstack/echo/v4 and github.com/labstack/echo/v5

    References: https://github.com/labstack/echo/security/advisories/GHSA-vfp3-v2gw-7wfq, https://nvd.nist.gov/vuln/detail/CVE-2026-55677, https://github.com/labstack/echo/commit/8d1ae9d3360a71672418856d58753af25f2c3986, https://github.com/labstack/echo/commit/c3fa2a27ff92b2b8db360de614f999ef1da24725, https://github.com/labstack/echo/pull/3009, https://github.com/labstack/echo/pull/3011, https://github.com/labstack/echo/releases/tag/v4.15.3, https://github.com/labstack/echo/releases/tag/v5.2.0

    Affected packages

    Package

    Name: github.com/labstack/echo/v4

    Purl: pkg:golang/github.com/labstack/echo/v4

    Affected ranges

    Type: SEMVER

    Events:

    Introduced- 0
    Fixed -4.15.3

    Affected versions

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High