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Chainlink

Chainlink is the industry-standard Web3 services platform. It has enabled trillions of dollars in transaction volume across DeFi, on-chain finance, gaming, NFTs, and other major industries. As the leading decentralized oracle network, Chainlink empowers developers to build feature-rich Web3 applications with seamless access to real-world data and off-chain computation across any blockchain.

Arbitrum
Base
Celo
ETH
Fantom
Gnosis
Linea
Metis
Moonriver
Optimism
Polygon
Scroll
Infrastructure
Oracle
Go
Rust
Solidity
Typescript
Maximum Bounty
$3,000,000
Live Since
11 May 2021
Last Updated
08 April 2024
  • PoC required

  • KYC required

Select the category you'd like to explore

Assets in Scope

Target
Type
Added on
Primacy Of Impact
Smart Contract
27 March 2024
Target
Type
Added on
Smart Contract - CCIP Plugin
27 March 2024
Target
Type
Added on
Websites and Applications - Chainlink Core Node UI
27 March 2024
Target
Type
Added on
Smart Contract - External Adapters component of the Chainlink stack
27 March 2024
Target
Type
Added on
Smart Contract - CCIP Owner
27 March 2024
Target
Type
Added on
Smart Contract - CCIP
27 March 2024
Target
Type
Added on
Websites and Applications - Data
12 October 2022
Target
Type
Added on
Websites and Applications - Main Web App
12 October 2022
Target
Type
Added on
Websites and Applications - Chainlink Core Node
12 February 2022
Target
Type
Added on
Websites and Applications - LibOCR
12 February 2022
Target
Type
Added on
Smart Contract - Solana programs
12 February 2022
Target
Type
Added on
Smart Contract - Core
12 February 2022

Impacts in Scope

Only the following impacts are accepted within this bug bounty program. All other impacts are out of scope, even if they affect an in scope asset.

Critical
Any governance voting result manipulation
Critical
Direct theft of any user funds, whether at-rest or in-motion, other than unclaimed yield
Critical
Permanent freezing of funds
Critical
Predictable or manipulable RNG that results in abuse of downstream services
Critical
Protocol insolvency
Critical
Misreporting of prices and/or data
Critical
RMN bypass
Critical
Execute arbitrary system commands
Critical
Retrieve sensitive data/files from a running server such as /etc/shadow, database passwords, and blockchain keys
Critical
Injecting code that results in malicious interactions with an already-connected wallet such as modifying transaction arguments or parameters, substituting contract addresses, submitting malicious transactions
High
Temporary freezing of tokens used in Chainlink protocols for at least two (2) blocks
High
Theft of protocol revenue

Out of scope

Program's Out of Scope information

The following vulnerabilities are excluded from the rewards for this bug bounty program:

  • Attacks that the reporter has already exploited themselves, leading to damage
  • Attacks requiring access to leaked keys/credentials
  • Attacks requiring access to privileged addresses (governance, strategist)
  • Mentions of secrets, access tokens, API keys, private keys, etc. in Github, will be considered out of scope without proof that they are in-use in production

Smart Contracts

  • Incorrect data supplied by third party oracles
    • Not to exclude oracle manipulation/flash loan attacks
  • Basic economic governance attacks (e.g. 51% attack)
  • Lack of liquidity
  • Best practice critiques
  • Sybil attacks
  • Centralization risks

Websites and Apps

  • Theoretical vulnerabilities without any proof or demonstration
  • Attacks requiring physical access to the victim device
  • Attacks requiring access to the local network of the victim
  • Reflected plain text injection ex: url parameters, path, etc.
    • This does not exclude reflected HTML injection with or without javascript
    • This does not exclude persistent plain text injection
  • Self-XSS
  • Captcha bypass using OCR without impact demonstration
  • CSRF with no state modifying security impact (ex: logout CSRF)
  • Missing HTTP Security Headers (such as X-FRAME-OPTIONS) or cookie security flags (such as “httponly”) without demonstration of impact
  • Server-side non-confidential information disclosure such as IPs, server names, and most stack traces
  • Vulnerabilities used only to enumerate or confirm the existence of users or tenants
  • Vulnerabilities requiring un-prompted, in-app user actions that are not part of the normal app workflows
  • Lack of SSL/TLS best practices
  • DDoS vulnerabilities
  • Feature requests
  • Issues related to the frontend without concrete impact and PoC
  • Best practices issues without concrete impact and PoC
  • Vulnerabilities primarily caused by browser/plugin defects
  • Leakage of non sensitive api keys ex: etherscan, Infura, Alchemy, etc.
  • Any vulnerability exploit requiring browser bugs for exploitation. ex: CSP bypass

The following activities are prohibited by this bug bounty program:

  • Any testing with mainnet or public testnet contracts; all testing should be done on private testnets
  • Any testing with pricing oracles or third party smart contracts
  • Attempting phishing or other social engineering attacks against our employees and/or customers
  • Any testing with third party systems and applications (e.g. browser extensions) as well as websites (e.g. SSO providers, advertising networks)
  • Any denial of service attacks
  • Automated testing of services that generates significant amounts of traffic
  • Public disclosure of an unpatched vulnerability in an embargoed bounty
  • Disclosure of vulnerabilities will require the approval of the Chainlink team