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LayerZero (The World's Largest Bounty)

LayerZero is an omnichain interoperability protocol that allows developers to seamlessly interact with contracts across dozens of blockchains.

Arbitrum
Astar zkEVM
Aurora
Avalanche
BSC
Base
Blast
Canto
Celo
Conflux
DOS
ETH
Fantom
Fraxtal
Fuse
Gnosis
Harmony
Horizen EON
Injective
Kava
Maximum Bounty
$15,000,000
Live Since
17 May 2023
Last Updated
08 April 2024
  • Triaged by Immunefi

  • PoC required

  • KYC required

Select the category you'd like to explore

Assets in Scope

Target
Type
Added on
Smart Contract - OFT.sol
16 February 2024
Target
Type
Added on
Smart Contract - EndpointV2.sol
13 February 2024
Target
Type
Added on
Smart Contract - SendULN301.sol
13 February 2024
Target
Type
Added on
Smart Contract - ReceiveULN302.sol
13 February 2024
Target
Type
Added on
Smart Contract - SendULN302.sol
13 February 2024
Target
Type
Added on
Smart Contract - ReceiveULN302.sol
13 February 2024
Target
Type
Added on
Smart Contract - DVN.sol
13 February 2024
Target
Type
Added on
Smart Contract - OApp.sol
13 February 2024
Target
Type
Added on
Smart Contract - OAppCore.sol
13 February 2024
Target
Type
Added on
Smart Contract - OAppSender.sol
13 February 2024
Target
Type
Added on
Smart Contract - OAppReceiver.sol
13 February 2024
Target
Type
Added on
Smart Contract - UltraLightNodeV2.sol
17 May 2023

Impacts in Scope

Critical
Exploits resulting in the permanent locking or theft of user funds
Critical
Permanent DoS attacks (excluding volumetric attacks)
High
Any governance voting result manipulation
Medium
Griefing (e.g. no profit motive for an attacker, but damage to the users or the protocol)
Low
All above impacts for OApp, OFT & ONFT related contracts

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
  • Centralization risks
  • Impacts to OApps themselves as a result of their own misconfiguration (including but not limited to eg. configuring bad libraries, verifier networks, executors…).
  • DoS of LayerZero infrastructure is not eligible for bug bounty rewards
  • Reports regarding bugs that LayerZero Labs was previously aware of are not eligible for a reward
  • Dependencies & Third Party Code
  • Temporary impacts resulting from configuration adjustment race-conditions

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
  • The following person(s) are ineligible to receive bug bounty payout rewards: Staff, Auditors, Contractors, persons in possession of privileged information, and all associated parties.