Verify a decision

{"actor":"system:backfill","investigation_id":"dd592b49-5cdd-4dcf-b6aa-39f2c6ac9a89","kind":"publish","page_slug":"hyperdrive-hl","published_at":"2026-05-29T16:12:55.106Z","sequence_num":1,"snapshot":{"content_type":"investigation","entity_name":"Hyperdrive HL","sections":[{"content":"","heading":"","severity":"medium","sources":[{"credibility":3,"name":"https://www.cmointern.com/2025/05/hyperdrive-secures-6m-series-led-by.html","type":"other","url":""},{"credibility":3,"name":"https://defillama.com/protocol/hyperdrive-hl","type":"other","url":""},{"credibility":3,"name":"https://x.com/hyperdrivedefi/status/1925944813427302528","type":"other","url":""},{"credibility":3,"name":"https://hyperdrive-2.gitbook.io/hyperdrive/for-developers/security-audits","type":"other","url":""}]},{"content":"","heading":"","severity":"medium","sources":[{"credibility":3,"name":"https://x.com/CertiKAlert/status/1972117426893738341","type":"other","url":""},{"credibility":3,"name":"https://www.theblock.co/post/372662/hyperliquid-based-hyperdrive-loses-782000-after-smart-contract-exploit","type":"other","url":""},{"credibility":3,"name":"https://crypto.news/hyperliquid-hyperdrive-resumes-services-700k-hack-2025/","type":"other","url":""},{"credibility":3,"name":"https://www.web3isgoinggreat.com/single/hyperdrive-exploit","type":"other","url":""},{"credibility":3,"name":"https://coincentral.com/hyperdrive-loses-782000-in-tokens-after-smart-contract-exploit-attack/","type":"other","url":""},{"credibility":3,"name":"https://cryptonews.com.au/news/hyperdrive-exploit-drains-us782k-in-third-major-hyperliquid-security-breach-131037/","type":"other","url":""}]},{"content":"","heading":"","severity":"medium","sources":[{"credibility":3,"name":"https://www.ainvest.com/news/exploit-days-exposes-hyperliquid-security-weaknesses-2509/","type":"other","url":""},{"credibility":3,"name":"https://cryptonews.com.au/news/hyperdrive-exploit-drains-us782k-in-third-major-hyperliquid-security-breach-131037/","type":"other","url":""},{"credibility":3,"name":"https://www.ccn.com/news/crypto/hackers-hit-hyperliquid-twice-stolen-hyperdrive-exploit/","type":"other","url":""},{"credibility":3,"name":"https://www.arringtoncapital.com/blog/hyperliquids-tipping-point-three-things-they-must-do-now/","type":"other","url":""}]},{"content":"","heading":"","severity":"medium","sources":[{"credibility":3,"name":"https://hyperdrive-2.gitbook.io/hyperdrive/for-developers/security-audits","type":"other","url":""},{"credibility":3,"name":"https://www.theblock.co/post/372662/hyperliquid-based-hyperdrive-loses-782000-after-smart-contract-exploit","type":"other","url":""}]},{"content":"","heading":"","severity":"medium","sources":[{"credibility":3,"name":"https://crypto.news/hyperliquid-hyperdrive-resumes-services-700k-hack-2025/","type":"other","url":""},{"credibility":3,"name":"https://www.mitrade.com/insights/news/live-news/article-3-1155419-20250929","type":"other","url":""},{"credibility":3,"name":"https://x.com/hyperdrivedefi/status/1972095669403111519","type":"other","url":""},{"credibility":3,"name":"https://coincentral.com/hyperdrive-loses-782000-in-tokens-after-smart-contract-exploit-attack/","type":"other","url":""}]},{"content":"","heading":"","severity":"medium","sources":[{"credibility":3,"name":"https://x.com/CertiKAlert/status/1972117426893738341","type":"other","url":""},{"credibility":3,"name":"https://www.web3isgoinggreat.com/single/hyperdrive-exploit","type":"other","url":""},{"credibility":3,"name":"https://www.theblock.co/post/372662/hyperliquid-based-hyperdrive-loses-782000-after-smart-contract-exploit","type":"other","url":""}]},{"content":"","heading":"","severity":"medium","sources":[{"credibility":3,"name":"https://medium.com/@hyperdrive_fi/hyperdrive-token-airdrop-miles-hlp-and-hype-lst-5417f1d78544","type":"other","url":""},{"credibility":3,"name":"https://airdrops.io/hyperdrive/","type":"other","url":""},{"credibility":3,"name":"https://markets.coinpedia.org/hyperdrive/","type":"other","url":""},{"credibility":3,"name":"https://www.cmointern.com/2025/05/hyperdrive-secures-6m-series-led-by.html","type":"other","url":""}]}],"sources_used":[],"summary":"Hyperdrive HL (formerly Ambit Finance) is a stablecoin lending and liquid-staking protocol deployed on Hyperliquid EVM, which raised a $6 million Series A in May 2025 led by Hack VC and Arrington Capital. On September 27, 2025, an attacker exploited an arbitrary-call vulnerability in the protocol's router contract, draining approximately $782,000 in USDT0 and thBILL tokens across two markets. The team paused operations, patched the vulnerability, and compensated affected users before resuming, though the incident occurred within a broader wave of security breaches across the Hyperliquid ecosystem.","timeline":[{"date":"2025-05-24","event":"Hyperdrive HL (formerly Ambit Finance) closes $6 million Series A funding round led by Hack VC and Arrington Capital.","source":""},{"date":"2025-05-27","event":"Hyperdrive HL officially launches on Hyperliquid EVM with stablecoin lending, HYPED liquid staking, and HLP vault tokenization products.","source":""},{"date":"2025-09-26","event":"HyperVault, a separate Hyperliquid-based protocol, suffers an alleged $3.6 million loss in a suspected rug pull, with project social media disappearing.","source":""},{"date":"2025-09-27","event":"Attacker exploits an arbitrary-call vulnerability in Hyperdrive HL's router contract, draining 672,934 USDT0 and 110,244 thBILL tokens (~$782,000) from two markets. Stolen funds are bridged to Ethereum and BNB Chain via deBridge.","source":""},{"date":"2025-09-27","event":"CertiK publishes on-chain alert identifying the arbitrary call vulnerability in Hyperdrive's router contract. Hyperdrive team announces market pause and ongoing investigation on X.","source":""},{"date":"2025-09-27","event":"Hyperdrive team reports identifying the root cause and fixing the vulnerability. Team announces compensation plan for affected accounts.","source":""},{"date":"2025-09-29","event":"Hyperdrive team confirms all affected accounts have been remediated and market functions have been restored. Post-mortem report promised.","source":""}]},"v":1}