Vendor

    HackerOne

    72 known vulnerabilities in products by HackerOne, 0 of them actively exploited (CISA KEV).

    Key figures

    72

    Vulnerabilities

    0

    Actively exploited (KEV)

    0

    Used by ransomware

    15

    Critical

    Vulnerabilities

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

    Vulnerabilities in HackerOne
    HighCVE-2022-39288

    Denial of service in Fastify via Content-Type header

    7.5
    CriticalCVE-2021-21321

    Prefix escape

    10.0
    CriticalCVE-2021-21322

    Prefix escape

    10.0
    HighCVE-2021-23597

    Denial of Service (DoS)

    7.5
    CriticalCVE-2026-85184

    @fastify/middie vulnerable to path-scoped middleware bypass via absolute-form request target

    also in 1 other product

    9.1
    HighCVE-2026-85124

    @fastify/http-proxy vulnerable to prefix escape via backslash dot-segments

    also in 1 other product

    7.5
    HighCVE-2018-3711

    HackerOne fastify node module: Allocation of Resources Without Limits or Throttling

    also in 1 other product

    7.5
    MediumCVE-2024-22207

    Default swagger-ui configuration exposes all files in the module

    also in 1 other product

    5.3
    CriticalCVE-2026-16117

    @fastify/http-proxy vulnerable to prefix escape via URL-encoded characters

    also in 1 other product

    10.0
    HighCVE-2023-25576

    @fastify/multipart vulnerable to DoS due to unlimited number of parts

    7.5
    HighCVE-2022-31142

    Potential Timing Attack Vector in @fastify/bearer-auth

    7.5
    HighCVE-2020-8136

    Fastify-multipart: Uncontrolled Resource Consumption

    7.5
    HighCVE-2026-18427

    @fastify/static vulnerable to route guard bypass via non-canonical path segments

    also in 1 other product

    7.5
    CriticalCVE-2026-6556

    @fastify/express vulnerable to middleware bypass via non-string mount paths in prefixed plugins

    9.1
    CriticalCVE-2026-14198

    @fastify/middie vulnerable to authorization bypass via encoded slash in path parameter values

    also in 1 other product

    9.1
    CriticalCVE-2026-6270

    @fastify/middie vulnerable to middleware authentication bypass in child plugin scopes

    also in 1 other product

    9.1
    HighCVE-2026-15074

    @fastify/static vulnerable to route guard bypass via path traversal

    also in 1 other product

    7.5
    HighCVE-2026-19484

    @fastify/busboy vulnerable to Denial of Service via oversized multipart boundary

    also in 1 other product

    7.5
    HighCVE-2026-18549

    @fastify/multipart vulnerable to Denial of Service via aborted upload after fileSize limit

    7.5
    HighCVE-2026-76169

    Fastify: Authentication Bypass Using an Alternate Path or Channel

    7.5
    CriticalCVE-2026-15631

    @fastify/http-proxy vulnerable to prefix escape via WebSocket path traversal

    also in 1 other product

    8.7
    HighCVE-2026-25223

    Fastify's Content-Type header tab character allows body validation bypass

    7.5
    HighCVE-2026-84428

    fastify vulnerable to header validation bypass via incomplete schema case normalization

    7.5
    HighCVE-2026-84469

    fastify vulnerable to request validation bypass via skipped boolean false schemas

    7.5
    HighCVE-2026-84504

    fastify vulnerable to request body replacement via an async validation result collision

    8.1

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