Product by Labstack

    Echo

    20 known vulnerabilities in Echo (Labstack), 0 of them actively exploited (CISA KEV).

    Key figures

    20

    Vulnerabilities

    0

    Actively exploited (KEV)

    0

    Used by ransomware

    2

    Critical

    Vulnerabilities

    Actively exploited vulnerabilities (CISA KEV) first, then by priority. Click a column header to re-sort the table.

    Vulnerabilities in Echo (Labstack)
    CriticalCVE-2022-40083

    Labstack Echo: Server-Side Request Forgery (SSRF)

    also in 1 other product

    9.6
    CriticalCVE-2026-118264

    Echo: Rejected WebSocket upgrades can bypass Echo route-level access controls

    also in 2 other products

    —
    HighCVE-2026-118261

    Echo: Decompress permits unbounded gzip expansion in v4

    also in 1 other product

    —
    HighCVE-2026-118260

    Echo: BodyDump captures request and response bodies without size limits in v4

    also in 1 other product

    —
    HighCVE-2026-118650

    Labstack Echo: Improper Handling of URL Encoding (Hex Encoding)

    also in 2 other products

    7.5
    HighCVE-2026-118262

    Echo: WebSocket proxy can retain connections and handlers after client disconnect

    also in 2 other products

    —
    HighCVE-2026-55677

    Echo: Encoded slash (%2F) bypasses route-level protection and exposes static files

    also in 2 other products

    7.5
    MediumCVE-2020-36565

    Directory traversal on Windows in github.com/labstack/echo/v4

    also in 1 other product

    5.3
    MediumCVE-2026-118263

    Echo: BodyDump can discard BodyLimit overflow errors for unknown-length requests

    also in 1 other product

    —
    MediumCVE-2026-118653

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

    also in 2 other products

    5.3
    MediumCVE-2026-118654

    Echo static file middleware route protection bypass via encoded dot-dot traversal

    also in 2 other products

    5.9
    MediumCVE-2026-118655

    Echo: Static Middleware Double-Unescape Path Traversal

    also in 2 other products

    5.9
    MediumCVE-2026-118652

    Labstack Echo: Cross-site Scripting

    also in 2 other products

    6.1
    MediumCVE-2026-118656

    Echo: Open Redirect via Control-Character Prefix Defeating sanitizeURI

    also in 2 other products

    6.1
    MediumCVE-2026-118657

    Echo: HTTPS Redirect and HSTS Bypass via Unconditional Trust of Forwarded Scheme Headers

    also in 2 other products

    5.9
    MediumCVE-2026-118651

    Echo: Reverse Proxy Forwards Attacker-Supplied X-Real-IP to Upstream by Default

    also in 2 other products

    5.3
    MediumCVE-2026-118266

    Echo: CSRF Protection Bypass via MethodOverride Rewriting POST to Safe Method

    also in 2 other products

    5.3
    MediumCVE-2026-118265

    Echo: X-Real-IP extractor trusts the header value instead of the sending peer

    also in 1 other product

    5.3
    MediumCVE-2026-118658

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

    also in 2 other products

    4.7
    MediumCVE-2026-25766

    Echo has a Windows path traversal via backslash in middleware.Static default filesystem

    also in 1 other product

    5.3

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