Celer
Celer cBridge is a multi-chain interoperability system that provides the best-in-class cross-chain token bridging experience with deep liquidity for users, highly efficient and easy-to-use liquidity management for both cBridge node operators and Liquidity Providers who do not want to operate cBridge nodes, and developer-oriented features such as general message bridging for cases like cross-chain DEX and NFTs.
Arbitrum
Avalanche
BSC
Base
ETH
Fantom
Moonbeam
Optimism
Polygon
Blockchain
Defi
NFT
Crosschain Liquidity
L1
Wallet
JavaScript
Solidity
Maximum Bounty
$2,000,000Live Since
18 November 2021Last Updated
08 April 2024PoC required
KYC required
Select the category you'd like to explore
Assets in Scope
Impacts in Scope
Severity
Critical
Title
Thefts and permanent freezing of any funds in liquidity pool smart contract or staking contracts
Severity
Critical
Title
The only web vulnerabilities in scope are those which lead directly and unequivocally to loss of user funds, a direct breach of data, and the deletion of site data
Severity
Critical
Title
Thefts and permanent freezing of unclaimed yield rewards
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)
Smart Contracts and Blockchain
- 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
Websites and Apps
- Theoretical vulnerabilities without any proof or demonstration
- Content spoofing / Text injection issues
- Self-XSS
- Captcha bypass using OCR
- CSRF with no security impact (logout CSRF, change language, etc.)
- Missing HTTP Security Headers (such as X-FRAME-OPTIONS) or cookie security flags (such as “httponly”)
- Server-side information disclosure such as IPs, server names, and most stack traces
- Vulnerabilities used to enumerate or confirm the existence of users or tenants
- Vulnerabilities requiring unlikely user actions
- URL Redirects (unless combined with another vulnerability to produce a more severe vulnerability)
- Lack of SSL/TLS best practices
- DDoS vulnerabilities
- Attacks requiring privileged access from within the organization
- Feature requests
- Best practices
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