Bug Bounties

Cloudflare Public Bug Bounty

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Allows bounty splitting: 

Average time to first program response: 8

Average time to bounty awarded null: 320

Average time to report resolved: 

Handle cloudflare

Managed program: false

Name: Cloudflare Public Bug Bounty

Offers bounties: true

Offers swag: false

Response efficiency percentage: 100

Submission state: open

Url: https://hackerone.com/cloudflare

Website: https://www.cloudflare.com/disclosure

In scope:

  • Asset identifier: *.cloudflare.com
  • Asset type: URL
  • Availability requirement: high
  • Confidentiality requirement: high
  • Eligible for bounty: true
  • Eligible for submissions: true
  • Instruction: Excluding support.cloudflare.com, community.cloudflare.com and other SaaS applications
  • Integrity requirements: high
  • Max severity: critical



  • Asset identifier: *.cloudflarepartners.com
  • Asset type: URL
  • Availability requirement: 
  • Confidentiality requirement: 
  • Eligible for bounty: 
  • Eligible for submissions: true
  • Instruction: 
  • Integrity requirements: 
  • Max severity: critical



  • Asset identifier: *.teams.cloudflare.com
  • Asset type: URL
  • Availability requirement: high
  • Confidentiality requirement: high
  • Eligible for bounty: true
  • Eligible for submissions: true
  • Instruction: 
  • Integrity requirements: high
  • Max severity: critical



  • Asset identifier: 1.1.1.1 Resolver
  • Asset type: OTHER
  • Availability requirement: high
  • Confidentiality requirement: high
  • Eligible for bounty: true
  • Eligible for submissions: true
  • Instruction:  A blazing fast DNS resolver built for private browsing. https://1.1.1.1/ https://developers.cloudflare.com/1.1.1.1/what-is-1.1.1.1/ https://developers.cloudflare.com/1.1.1.1/setting-up-1.1.1.1/
  • Integrity requirements: high
  • Max severity: critical



  • Asset identifier: Argo Tunnel
  • Asset type: OTHER
  • Availability requirement: high
  • Confidentiality requirement: high
  • Eligible for bounty: true
  • Eligible for submissions: true
  • Instruction: Argo Tunnel offers an easy way to expose web servers securely to the internet, without opening up firewall ports and configuring ACLs. https://www.cloudflare.com/products/argo-tunnel/
  • Integrity requirements: high
  • Max severity: critical



  • Asset identifier: Bot Management
  • Asset type: OTHER
  • Availability requirement: high
  • Confidentiality requirement: high
  • Eligible for bounty: true
  • Eligible for submissions: true
  • Instruction: Cloudflare enables you to manage bots with speed and accuracy by applying several detection methods: Behavioral analysis, machine learning, and fingerprinting. https://www.cloudflare.com/products/bot-management/
  • Integrity requirements: high
  • Max severity: critical



  • Asset identifier: CDNJS
  • Asset type: OTHER
  • Availability requirement: 
  • Confidentiality requirement: 
  • Eligible for bounty: true
  • Eligible for submissions: true
  • Instruction: CDNJS is a free and open source project to organize and provide popular front-end web development resources to developers via a fast CDN infrastructure without usage limitations and fees. https://github.com/cdnjs/cdnjs https://blog.cloudflare.com/an-update-on-cdnjs/
  • Integrity requirements: 
  • Max severity: critical



  • Asset identifier: Cloudflare Access
  • Asset type: OTHER
  • Availability requirement: high
  • Confidentiality requirement: high
  • Eligible for bounty: true
  • Eligible for submissions: true
  • Instruction: Cloudflare Access is an application that controls access to your sites and integrates with social and enterprise identity providers (IdP) for managing user credentials. https://www.cloudflare.com/products/cloudflare-access/
  • Integrity requirements: high
  • Max severity: critical



  • Asset identifier: Cloudflare D1
  • Asset type: OTHER
  • Availability requirement: 
  • Confidentiality requirement: 
  • Eligible for bounty: true
  • Eligible for submissions: true
  • Instruction: https://blog.cloudflare.com/introducing-d1/
  • Integrity requirements: 
  • Max severity: critical



  • Asset identifier: Cloudflare Pages
  • Asset type: OTHER
  • Availability requirement: high
  • Confidentiality requirement: high
  • Eligible for bounty: true
  • Eligible for submissions: true
  • Instruction: 
  • Integrity requirements: high
  • Max severity: critical



  • Asset identifier: Cloudflare R2
  • Asset type: OTHER
  • Availability requirement: 
  • Confidentiality requirement: 
  • Eligible for bounty: true
  • Eligible for submissions: true
  • Instruction: https://blog.cloudflare.com/r2-open-beta/
  • Integrity requirements: 
  • Max severity: critical



  • Asset identifier: Cloudflare Zero Trust/Cloudflare One
  • Asset type: OTHER
  • Availability requirement: high
  • Confidentiality requirement: high
  • Eligible for bounty: true
  • Eligible for submissions: true
  • Instruction: 
  • Integrity requirements: high
  • Max severity: critical



  • Asset identifier: Load Balancing
  • Asset type: OTHER
  • Availability requirement: high
  • Confidentiality requirement: high
  • Eligible for bounty: true
  • Eligible for submissions: true
  • Instruction:  Cloudflare's Load Balancing automatically reduces latency by directing visitors to infrastructure closest to them. https://www.cloudflare.com/load-balancing/
  • Integrity requirements: high
  • Max severity: critical



  • Asset identifier: Magic Transit
  • Asset type: OTHER
  • Availability requirement: high
  • Confidentiality requirement: high
  • Eligible for bounty: true
  • Eligible for submissions: true
  • Instruction: Magic Transit is a software-defined networking product that offers IP transit with DDoS protection, next-gen firewall, traffic acceleration and more for your on-premise and data center networks from a single, easy-to-use interface. https://www.cloudflare.com/magic-transit/
  • Integrity requirements: high
  • Max severity: critical



  • Asset identifier: Open source tools from Cloudflare
  • Asset type: OTHER
  • Availability requirement: 
  • Confidentiality requirement: 
  • Eligible for bounty: true
  • Eligible for submissions: true
  • Instruction: https://github.com/cloudflare
  • Integrity requirements: 
  • Max severity: critical



  • Asset identifier: Spectrum
  • Asset type: OTHER
  • Availability requirement: high
  • Confidentiality requirement: high
  • Eligible for bounty: true
  • Eligible for submissions: true
  • Instruction:  Spectrum extends the power of Cloudflare's DDoS, TLS, and IP Firewall to TCP and UDP-based services, keeping them online and secure. https://www.cloudflare.com/products/cloudflare-spectrum/
  • Integrity requirements: high
  • Max severity: critical



  • Asset identifier: Stream
  • Asset type: OTHER
  • Availability requirement: 
  • Confidentiality requirement: 
  • Eligible for bounty: true
  • Eligible for submissions: true
  • Instruction: Cloudflare Stream is an easy-to-use, affordable, on-demand video streaming platform. Stream seamlessly integrates video storage, encoding, and a customizable player with Cloudflare’s fast, secure, and reliable global network. https://www.cloudflare.com/products/cloudflare-stream/
  • Integrity requirements: 
  • Max severity: critical



  • Asset identifier: WARP Mobile Apps
  • Asset type: OTHER
  • Availability requirement: high
  • Confidentiality requirement: high
  • Eligible for bounty: true
  • Eligible for submissions: true
  • Instruction: Download on Android: https://play.google.com/store/apps/details?id=com.cloudflare.onedotonedotonedotone Download on iOS: https://itunes.apple.com/us/app/1-1-1-1-faster-internet/id1423538627 WARP is a free VPN for mobile phones. The app can be used as a 1.1.1.1 DNS resolver or VPN or our premium paid service Warp+. It works on wireguard protocol. See documentation section for more details. Areas of interest: Upgrading to Warp+ without paying Can other apps snoop with Warp Downgrade of connections Misconfiguration in the apps or backend MITM attacks
  • Integrity requirements: high
  • Max severity: critical



  • Asset identifier: WARP desktop client
  • Asset type: OTHER
  • Availability requirement: 
  • Confidentiality requirement: 
  • Eligible for bounty: true
  • Eligible for submissions: true
  • Instruction: Cloudflare Zero Trust client applications releases on Windows, Linux and MacOS
  • Integrity requirements: 
  • Max severity: critical



  • Asset identifier: api.cloudflare.com
  • Asset type: URL
  • Availability requirement: high
  • Confidentiality requirement: high
  • Eligible for bounty: true
  • Eligible for submissions: true
  • Instruction: 
  • Integrity requirements: high
  • Max severity: critical



  • Asset identifier: cloudflareworkers.com
  • Asset type: URL
  • Availability requirement: high
  • Confidentiality requirement: high
  • Eligible for bounty: true
  • Eligible for submissions: true
  • Instruction: This is a Cloudflare Workers test site. Cloudflare Workers provides a lightweight JavaScript execution environment that allows developers to augment existing applications or create entirely new ones without configuring or maintaining infrastructure. https://www.cloudflare.com/products/cloudflare-workers/
  • Integrity requirements: high
  • Max severity: critical



  • Asset identifier: dash.cloudflare.com
  • Asset type: URL
  • Availability requirement: high
  • Confidentiality requirement: high
  • Eligible for bounty: true
  • Eligible for submissions: true
  • Instruction: The Cloudflare dashboard (https://dash.cloudflare.com/) and any direct calls from the dashboard to other Cloudflare owned resources are considered in scope.
  • Integrity requirements: high
  • Max severity: critical



  • Asset identifier: dash.teams.cloudflare.com
  • Asset type: URL
  • Availability requirement: 
  • Confidentiality requirement: 
  • Eligible for bounty: true
  • Eligible for submissions: true
  • Instruction: Secondary scope.
  • Integrity requirements: 
  • Max severity: critical



  • Asset identifier: http://github.com/cloudflare
  • Asset type: URL
  • Availability requirement: 
  • Confidentiality requirement: 
  • Eligible for bounty: true
  • Eligible for submissions: true
  • Instruction: Will be rewarded as *Scope: Other*
  • Integrity requirements: 
  • Max severity: critical



  • Asset identifier: https://github.com/cloudflare/workerd
  • Asset type: SOURCE_CODE
  • Availability requirement: 
  • Confidentiality requirement: 
  • Eligible for bounty: true
  • Eligible for submissions: true
  • Instruction: 
  • Integrity requirements: 
  • Max severity: critical



  • Asset identifier: one.dash.cloudflare.com
  • Asset type: URL
  • Availability requirement: 
  • Confidentiality requirement: 
  • Eligible for bounty: true
  • Eligible for submissions: true
  • Instruction: 
  • Integrity requirements: 
  • Max severity: critical