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Notional Exponent

Notional Exponent is a leveraged yield protocol that enables users to maximize returns on DeFi yield strategies with leverage. It represents a major evolution of Notional’s core product. Notional was founded in 2020 to bring fixed rate lending to DeFi and we’ve been working on lending products ever since. Notional Exponent narrows our focus on what we do best.

Maximum Bounty
$250,000
Live Since
16 January 2026
Last Updated
19 January 2026
  • PoC Required

  • KYC required

Select the category you'd like to explore

Assets in Scope

Name
Address Registry
Added on
16 January 2026
Name
Morpho Lending Router
Added on
16 January 2026
Name
sUSDe Staking Vault
Added on
16 January 2026
Name
weETH Staking Vault
Added on
16 January 2026
Name
Convex OETH/ETH Liquidity Vault
Added on
16 January 2026
Name
sUSDe NOV 27 2025 PT Vault
Added on
16 January 2026
Name
weETH Withdraw Request Manager
Added on
16 January 2026
Name
sUSDe Withdraw Request Manager
Added on
16 January 2026
Name
OETH Withdraw Request Manager
Added on
16 January 2026
Name
WETH Withdraw Request Manager
Added on
16 January 2026
Name
Added on
16 January 2026
Name
Added on
16 January 2026

Impacts in Scope

Severity
Critical
Title

Manipulation of governance voting result deviating from voted outcome and resulting in a direct change from intended effect of original results

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

Permanent freezing of NFTs

Severity
Critical
Title

Unauthorized minting of NFTs

Severity
Critical
Title

Predictable or manipulable RNG that results in abuse of the principal or NFT

Severity
Critical
Title

Unintended alteration of what the NFT represents (e.g. token URI, payload, artistic content)

Severity
Critical
Title

Protocol insolvency

Severity
High
Title

Theft of unclaimed yield

Severity
High
Title

Theft of unclaimed royalties

Severity
High
Title

Permanent freezing of unclaimed yield

Out of scope

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