VYPR

CWE-441

Unintended Proxy or Intermediary ('Confused Deputy')

ClassDraft

Description

The product receives a request, message, or directive from an upstream component, but the product does not sufficiently preserve the original source of the request before forwarding the request to an external actor that is outside of the product's control sphere. This causes the product to appear to be the source of the request, leading it to act as a proxy or other intermediary between the upstream component and the external actor.

Hierarchy (View 1000)

Parents

Related attack patterns (CAPEC)

CAPEC-219 · CAPEC-465

CVEs mapped to this weakness (165)

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  • CVE-2026-55430MedJul 8, 2026
    risk 0.00cvss 5.8epss 0.00

    Coder allows organizations to provision remote development environments via Terraform. Prior to versions 2.29.7, 2.32.7, 2.33.8, and 2.34.2, the workspace app proxy resolves the target app from `httpapi.RequestHost()` which prefers the `X-Forwarded-Host` header over the real…

  • CVE-2026-27624HigFeb 25, 2026
    risk 0.00cvss 7.2epss 0.00

    Coturn is a free open source implementation of TURN and STUN Server. Coturn is commonly configured to block loopback and internal ranges using "denied-peer-ip" and/or default loopback restrictions. CVE-2020-26262 addressed bypasses involving "0.0.0.0", "[::1]" and "[::]", but…

  • CVE-2022-39349MedOct 25, 2022
    risk 0.00cvss 5.5epss 0.00

    The Tasks.org Android app is an open-source app for to-do lists and reminders. The Tasks.org app uses the activity `ShareLinkActivity.kt` to handle "share" intents coming from other components in the same device and convert them to tasks. Those intents may contain arbitrary file…

  • CVE-2021-32773MedJul 20, 2021
    risk 0.00cvss 6.1epss 0.01

    Racket is a general-purpose programming language and an ecosystem for language-oriented programming. In versions prior to 8.2, code evaluated using the Racket sandbox could cause system modules to incorrectly use attacker-created modules instead of their intended dependencies.…

  • CVE-2020-26262HigJan 13, 2021
    risk 0.00cvss 7.2epss 0.01

    Coturn is free open source implementation of TURN and STUN Server. Coturn before version 4.5.2 by default does not allow peers to connect and relay packets to loopback addresses in the range of `127.x.x.x`. However, it was observed that when sending a `CONNECT` request with the…