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Ether.fi

ether.fi ~ DefiBank

ether.fi is building the future of decentralized financial banking through innovative staking solutions, automated DeFi strategies, and secure financial primitives.

🌊 Liquid Re-Staking

  • Efficient ETH staking with automated staking and restaking management
  • Most widely adopted liquid staking solution in the DeFi ecosystem
  • Strictly controlled AVS Restaking by Protocol Security through - comprehensive audits and formal verification
  • Seamless Cross-chain bridge support

💳 Cash

-Credit Card powered by ether.fi's non-custodial solution featuring:

  • Key management via secure enclave architecture through TEE
  • Universal cross-chain addressing for the best on-ramp experience
  • Modular security design with role-based access control
  • Seamless DeFi banking experience
  • Advanced hook system for transaction
ETH
Defi
Yield Aggregator
Liquid Restaking
Solidity
NextJS
Maximum Bounty
$300,000
Live Since
27 March 2024
Last Updated
15 December 2025
  • Triaged by Immunefi

  • PoC Required

  • KYC required

Select the category you'd like to explore

Assets in Scope

Target
Name
EtherFiSafeFactory
Added on
15 December 2025
Target
Name
SettlementDispatcherPix
Added on
15 December 2025
Target
Name
StargateModule
Added on
15 December 2025
Target
Name
WormholeModule
Added on
15 December 2025
Target
Name
SettlementDispatcherReap
Added on
15 December 2025
Target
Name
TopUpDestNativeGateway
Added on
15 December 2025
Target
Name
CashLens
Added on
15 December 2025
Target
Name
CashModule
Added on
15 December 2025
Target
Name
EtherFiHook
Added on
15 December 2025
Target
Name
RoleRegistry
Added on
15 December 2025
Target
Name
BeHYPEStakeModule
Added on
15 December 2025
Target
Name
SettlementDispatcherRain
Added on
15 December 2025

Impacts in Scope

Severity
Critical
Title

Protocol permanent insolvency

Severity
Critical
Title

Retrieve sensitive data/files from a running server, such as: /etc/shadow, database passwords, blockchain keys (this does not include non-sensitive environment variables, open source code, or usernames)

Severity
Critical
Title

Taking state-modifying authenticated actions (with or without blockchain state interaction) on behalf of other users without any interaction by that user, such as: Changing registration information, Commenting, Voting, Making trades, Withdrawals, etc.

Severity
Critical
Title

Malicious interactions with an already-connected wallet, such as: Modifying transaction arguments or parameters, Substituting contract addresses, Submitting malicious transactions

Severity
Critical
Title

Direct theft of any user funds, whether at-rest or in-motion, other than unclaimed yield

Severity
Critical
Title

Direct theft of any user NFTs, whether at-rest or in-motion, other than unclaimed royalties

Severity
Critical
Title

Permanent freezing of funds

Severity
Critical
Title

Protocol insolvency

Severity
Critical
Title

Execute arbitrary system commands

Severity
Critical
Title

Taking down the application/website

Severity
Critical
Title

Subdomain takeover with already-connected wallet interaction

Severity
Critical
Title

Direct theft of user funds

Out of scope

Program's Out of Scope information
  • Issues that are discovered by the previous audits
  • Anything related to the ether.fan project.
Default Out of Scope and rules

Smart Contract specific

  • Incorrect data supplied by third party oracles
    • Not to exclude oracle manipulation/flash loan attacks
  • Impacts requiring basic economic and governance attacks (e.g. 51% attack)
  • Lack of liquidity impacts
  • Impacts from Sybil attacks
  • Impacts involving centralization risks

All categories

  • Impacts requiring attacks that the reporter has already exploited themselves, leading to damage
  • Impacts caused by attacks requiring access to leaked keys/credentials
  • Impacts caused by attacks requiring access to privileged addresses (including, but not limited to: governance and strategist contracts) without additional modifications to the privileges attributed
  • Impacts relying on attacks involving the depegging of an external stablecoin where the attacker does not directly cause the depegging due to a bug in code
  • 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
  • Best practice recommendations
  • Feature requests
  • Impacts on test files and configuration files unless stated otherwise in the bug bounty program
  • Impacts requiring phishing or other social engineering attacks against project's employees and/or customers