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    CVE-2026-118653

    Echo is a Go web framework. From 4.0.0 until 5.1.0, Context.RealIP falls back to client-supplied X-Forwarded-For or X-Real-IP values when Echo.IPExtractor is unset, and the default RateLimiter uses that result as its client identifier. A remote attacker can rotate arbitrary forwarded-address values to obtain new rate-limit buckets and bypass IP-based throttling used for controls such as brute-force or request-volume protection. This issue is fixed in Echo v5.1.0.

    Published:Oct 28, 2026
    Last Modified:Nov 2, 2026
    EPS:Oct 28, 2026
    EPSS Score:0.00415
    CVSS Score:5.3

    Affected Products

    Vendor
    Labstack
    Product
    Echo

    Exploits

    No exploit reference

    Related CVEs

    CVE-2026-118658 (CVSS 4.7) — Echo is a Go web framework. Prior to 4.15.2 and 5.1.1, Context.Scheme returns values from X-Forwarded-Proto, X…
    CVE-2026-118657 (CVSS 5.9) — Echo is a Go web framework. Prior to 4.16.0 and 5.4.0, Context.Scheme unconditionally trusts forwarded scheme …
    CVE-2026-118656 (CVSS 6.1) — Echo is a Go web framework. Prior to 4.16.0 and 5.4.0, sanitizeURI checks only the first two bytes of a redire…
    CVE-2026-118655 (CVSS 5.9) — Echo is a Go web framework. Prior to 4.15.3 and 5.2.0, middleware.Static can decode an already decoded Request…
    CVE-2026-118654 (CVSS 5.9) — Echo is a Go web framework. Prior to 4.16.0 and 5.4.0, Echo's static file handlers can normalize dot segments …
    CVE-2026-118652 (CVSS 6.1) — Echo is a Go web framework. Prior to 4.16.0 and 5.4.0, Context.JSONP and Context.JSONPBlob concatenate an unva…
    CVE-2026-118651 (CVSS 5.3) — Echo is a Go web framework. From 4.0.0 until 5.4.0, the Proxy middleware can preserve an attacker-supplied X-R…
    CVE-2026-118650 (CVSS 7.5) — Echo is a Go web framework. Prior to 4.16.0 and 5.4.0, a globally mounted middleware.Static instance can inter…
    CVE-2026-118266 (CVSS 5.3) — Echo is a Go web framework. Prior to 4.16.0 and 5.4.0, Echo's MethodOverride middleware accepts a safe HTTP me…
    CVE-2026-118265 (CVSS 5.3) — Echo is a Go web framework. From 5.0.0 until 5.4.1, Echo v5's ExtractIPFromRealIPHeader validates whether the …

    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