CVE-2026-118653

    Dashboard / Vulnerabilities / CVE-2026-118653

    CVE-2026-118653

    Published: 28 Oct 2026Last Modified: 5 Nov 2026

    Summary: Echo: Rate Limiter Bypass via Spoofed X-Forwarded-For Header in Default Configuration

    Details: 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.

    References: https://github.com/labstack/echo/releases/tag/v5.1.0, https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/118xxx/CVE-2026-118653.json, https://github.com/labstack/echo/security/advisories/GHSA-246p-cpwv-v3jq, https://nvd.nist.gov/vuln/detail/CVE-2026-118653, https://github.com/labstack/echo/commit/22e4b71109ef072ef011a489066ec662ca9565b2

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: GIT

    Events:

    Introduced- 6d9e043284aea2d07f5fcaf0d3a424eb7d9f6109
    Fixed -597b4faaa99b7995643f558c315993660c1e1f83

    Affected versions

    v5.0.4
    v5.0.3
    v5.0.2
    v5.0.1
    v5.0.0

    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
    CVE-2026-118653 | CVE-DB