{"id":3740,"date":"2026-05-06T17:08:02","date_gmt":"2026-05-06T17:08:02","guid":{"rendered":"https:\/\/global.livebitcoinnews.com\/fr\/2026\/05\/06\/le-protocole-defi-ekubo-touche-par-une-attaque-bitcoin-enveloppee-de-14-million-de-dollars\/"},"modified":"2026-05-06T17:08:02","modified_gmt":"2026-05-06T17:08:02","slug":"le-protocole-defi-ekubo-touche-par-une-attaque-bitcoin-enveloppee-de-14-million-de-dollars","status":"publish","type":"post","link":"https:\/\/global.livebitcoinnews.com\/fr\/2026\/05\/06\/le-protocole-defi-ekubo-touche-par-une-attaque-bitcoin-enveloppee-de-14-million-de-dollars\/","title":{"rendered":"Le protocole DeFi Ekubo touch\u00e9 par une attaque Bitcoin envelopp\u00e9e de 1,4 million de dollars"},"content":{"rendered":"<p><b><i>Les failles bas\u00e9es sur l\u2019approbation continuent de g\u00e9n\u00e9rer des exploits DeFi alors que les pertes de 2026 d\u00e9passent 750 millions de dollars dans le monde.<\/i><\/b><span style=\"font-weight: 400\"><br \/>\n<\/span><\/p>\n<p><span style=\"font-weight: 400\">De nouvelles failles de s\u00e9curit\u00e9 continueront de mettre la pression sur les plateformes financi\u00e8res d\u00e9centralis\u00e9es en 2026. La fr\u00e9quence croissante des attaques a pouss\u00e9 les \u00e9quipes de protocole \u00e0 resserrer les audits et \u00e0 examiner les autorisations contractuelles de mani\u00e8re plus agressive. Le protocole Ekubo est devenu la derni\u00e8re cible apr\u00e8s que des attaquants ont exploit\u00e9 une faille dans son infrastructure EVM li\u00e9e \u00e0 la gestion de l&rsquo;approbation des jetons. L\u2019incident s\u2019ajoute \u00e0 une liste croissante d\u2019exploits qui ont d\u00e9j\u00e0 drain\u00e9 des centaines de millions de dollars des plateformes DeFi cette ann\u00e9e.<\/span><\/p>\n<h2><span style=\"font-weight: 400\">Blockaid identifie la faiblesse du contr\u00f4le d&rsquo;acc\u00e8s derri\u00e8re l&rsquo;attaque d&rsquo;Ekubo<\/span><\/h2>\n<p><span style=\"font-weight: 400\">Le protocole Ekubo a perdu environ 1,4 million de dollars en bitcoins envelopp\u00e9s apr\u00e8s que des attaquants ont exploit\u00e9 une vuln\u00e9rabilit\u00e9 de contr\u00f4le d&rsquo;acc\u00e8s dans ses contrats de routeur d&rsquo;\u00e9change bas\u00e9s sur EVM. La soci\u00e9t\u00e9 de s\u00e9curit\u00e9 Blockchain Blockaid a d\u00e9clar\u00e9 que l&rsquo;exploit ciblait un m\u00e9canisme de rappel de paiement vuln\u00e9rable dans la version 2 d&rsquo;Ekubo.<\/span><a href=\"https:\/\/www.livebitcoinnews.com\/purrlend-exploit-steals-1-5m-on-hyperevm-and-megaeth\/\"><span style=\"font-weight: 400\">EVM<\/span><\/a><span style=\"font-weight: 400\">contrats de prolongation.<\/span><\/p>\n<blockquote class=\"twitter-tweet\" data-width=\"550\" data-dnt=\"true\">\n<p lang=\"en\" dir=\"ltr\">Cause premi\u00e8re:<\/p>\n<p>L&rsquo;extension Ekubo impl\u00e9mente son rappel IPayer[.]pay (s\u00e9lecteur 0x599d0714, connect\u00e9 \u00e0 msg.sender == EkuboCore) en effectuant token.transferFrom(payer, Core, montant) o\u00f9 le payeur, le jeton et le montant sont transf\u00e9r\u00e9s directement \u00e0 partir de la charge utile du verrou, c&rsquo;est-\u00e0-dire contr\u00f4l\u00e9s par quiconque\u2026<\/p>\n<p>\u2013 Blockaid (@blockaid_)<a href=\"https:\/\/twitter.com\/blockaid_\/status\/2051757790805323983?ref_src=twsrc%5Etfw\">5 mai 2026<\/a><\/p>\n<\/blockquote>\n<p><span style=\"font-weight: 400\">Ekubo fonctionne comme un AMM \u00e0 liquidit\u00e9 concentr\u00e9e, lanc\u00e9 d&rsquo;abord sur Starknet, puis \u00e9tendu \u00e0 Ethereum et Arbitrum. La plate-forme est connue pour son architecture singleton et sa conception d&rsquo;extension modulaire.<\/span><\/p>\n<p><span style=\"font-weight: 400\">Selon Blockaid, les attaquants ont manipul\u00e9 les donn\u00e9es utiles, notamment les param\u00e8tres du payeur, du jeton et du montant. Les contrats n&rsquo;auraient pas permis de v\u00e9rifier si le payeur avait approuv\u00e9 la transaction avant son ex\u00e9cution. Cette faiblesse a permis aux attaquants de vider les portefeuilles qui avaient pr\u00e9c\u00e9demment accord\u00e9 des approbations de jetons aux contrats de routeur concern\u00e9s.<\/span><\/p>\n<p><span style=\"font-weight: 400\">Les chercheurs en s\u00e9curit\u00e9 ont d\u00e9clar\u00e9 que les attaquants avaient effectu\u00e9 le vol via pr\u00e8s de 85 transactions rapides. Plateformes de surveillance en cha\u00eene, y compris<\/span><a href=\"https:\/\/x.com\/CyversAlerts\/status\/2051761027612655711\"><span style=\"font-weight: 400\">Cyvers<\/span><\/a><span style=\"font-weight: 400\">, a suivi les fonds vol\u00e9s apr\u00e8s qu&rsquo;environ 17 WBTC aient \u00e9t\u00e9 retir\u00e9s du portefeuille de la principale victime. Les actifs ont ensuite \u00e9t\u00e9 \u00e9chang\u00e9s contre WETH et DAI.<\/span><\/p>\n<h2><span style=\"font-weight: 400\">DeFi perd plus de 750 millions de dollars suite \u00e0 un r\u00e9cent exploit<\/span><\/h2>\n<p><span style=\"font-weight: 400\">\u00c9kubo<\/span><a href=\"https:\/\/x.com\/EkuboProtocol\/status\/2051760043146567684\"><span style=\"font-weight: 400\">averti<\/span><\/a><span style=\"font-weight: 400\">utilisateurs peu de temps apr\u00e8s avoir d\u00e9couvert la violation. Les membres de l&rsquo;\u00e9quipe ont confirm\u00e9 que l&rsquo;exploit affectait uniquement les contrats de routeur d&rsquo;\u00e9change EVM, tandis que les fournisseurs de liquidit\u00e9 n&rsquo;\u00e9taient pas affect\u00e9s. Les d\u00e9veloppeurs ont \u00e9galement d\u00e9clar\u00e9 que le d\u00e9ploiement principal de Starknet du protocole continuait de fonctionner normalement.<\/span><\/p>\n<blockquote class=\"twitter-tweet\" data-width=\"550\" data-dnt=\"true\">\n<p lang=\"en\" dir=\"ltr\">Starknet n&rsquo;est pas affect\u00e9 par l&rsquo;incident du routeur Ekubo.<\/p>\n<p>Le probl\u00e8me s&rsquo;est produit sur EVM, o\u00f9 les utilisateurs laissent souvent derri\u00e8re eux des approbations illimit\u00e9es de jetons.<\/p>\n<p>Sur Starknet, l&rsquo;abstraction de compte native permet une meilleure UX : les applications peuvent regrouper l&rsquo;autorisation et l&rsquo;ex\u00e9cution dans la m\u00eame transaction, donc les utilisateurs\u2026<a href=\"https:\/\/t.co\/ZLMn2RTgdm\">https:\/\/t.co\/ZLMn2RTgdm<\/a><\/p>\n<p>\u2013 StarkWare \ud83e\udd77 (@StarkWareLtd)<a href=\"https:\/\/twitter.com\/StarkWareLtd\/status\/2051872766236733755?ref_src=twsrc%5Etfw\">6 mai 2026<\/a><\/p>\n<\/blockquote>\n<p><span style=\"font-weight: 400\">Les utilisateurs ont \u00e9t\u00e9 invit\u00e9s \u00e0 r\u00e9voquer imm\u00e9diatement les approbations de jetons en suspens via revoke.cash afin de r\u00e9duire davantage leur exposition. Ekubo a \u00e9galement not\u00e9 que les contrats EVM concern\u00e9s sont immuables de par leur conception, laissant le red\u00e9ploiement comme seule solution disponible pour le syst\u00e8me de routeur compromis.<\/span><\/p>\n<p><span style=\"font-weight: 400\">L\u2019attaque refl\u00e8te une tendance plus large observ\u00e9e dans la finance d\u00e9centralis\u00e9e cette ann\u00e9e. Des vuln\u00e9rabilit\u00e9s bas\u00e9es sur l&rsquo;approbation et des failles d&rsquo;autorisation sont apparues \u00e0 plusieurs reprises dans les protocoles DeFi modulaires, en particulier ceux qui g\u00e8rent une infrastructure inter-cha\u00eenes ou bas\u00e9e sur des extensions.<\/span><\/p>\n<p><span style=\"font-weight: 400\">Les pertes li\u00e9es \u00e0 DeFi avaient d\u00e9j\u00e0 d\u00e9pass\u00e9<\/span><a href=\"https:\/\/www.livebitcoinnews.com\/defi-loses-770m-to-hacks-in-2026-and-its-only-april\/\"><span style=\"font-weight: 400\">750 millions de dollars<\/span><\/a><span style=\"font-weight: 400\">avant l\u2019exploit Ekubo, selon un rapport ant\u00e9rieur de The Block. \u00c0 lui seul, le mois d\u2019avril a enregistr\u00e9 environ 620 millions de dollars de fonds vol\u00e9s au cours de pr\u00e8s de 30 incidents distincts.<\/span><\/p>\n<p><span style=\"font-weight: 400\">Violations importantes impliquant Drift Protocol et<\/span><a href=\"https:\/\/www.livebitcoinnews.com\/kelp-daos-rseth-bridge-hit-by-292m-exploit-in-suspected-layerzero-attack\/\"><span style=\"font-weight: 400\">Varech DAO<\/span><\/a><span style=\"font-weight: 400\">repr\u00e9sente la majorit\u00e9 des pertes du mois. Des attaques plus petites contre les protocoles Wasabi et Volo ont \u00e9galement ajout\u00e9 \u00e0 la pression sur une ann\u00e9e d\u00e9j\u00e0 difficile pour la s\u00e9curit\u00e9 DeFi.<\/span><\/p>\n<p><!-- source_url: https:\/\/www.livebitcoinnews.com\/defi-protocol-ekubo-hit-by-1-4-million-wrapped-bitcoin-attack\/ --><\/p>\n<p><em>Source : <a href=\"https:\/\/www.livebitcoinnews.com\/defi-protocol-ekubo-hit-by-1-4-million-wrapped-bitcoin-attack\/\" rel=\"nofollow noopener\" target=\"_blank\">Live Bitcoin News<\/a><\/em><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Les failles bas\u00e9es sur l\u2019approbation continuent de g\u00e9n\u00e9rer des exploits DeFi alors que les pertes de 2026 d\u00e9passent 750 millions de dollars dans le monde. De nouvelles failles de s\u00e9curit\u00e9 continueront de mettre la pression sur les plateformes financi\u00e8res d\u00e9centralis\u00e9es en 2026. La fr\u00e9quence croissante des attaques a pouss\u00e9 les \u00e9quipes de protocole \u00e0 resserrer [&hellip;]<\/p>\n","protected":false},"author":6,"featured_media":3739,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"footnotes":""},"categories":[178],"tags":[],"class_list":["post-3740","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-hacked"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Le protocole DeFi Ekubo touch\u00e9 par une attaque Bitcoin envelopp\u00e9e de 1,4 million de dollars - France Live Bitcoin News<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/global.livebitcoinnews.com\/fr\/2026\/05\/06\/le-protocole-defi-ekubo-touche-par-une-attaque-bitcoin-enveloppee-de-14-million-de-dollars\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Le protocole DeFi Ekubo touch\u00e9 par une attaque Bitcoin envelopp\u00e9e de 1,4 million de dollars - France Live Bitcoin News\" \/>\n<meta property=\"og:description\" content=\"Les failles bas\u00e9es sur l\u2019approbation continuent de g\u00e9n\u00e9rer des exploits DeFi alors que les pertes de 2026 d\u00e9passent 750 millions de dollars dans le monde. De nouvelles failles de s\u00e9curit\u00e9 continueront de mettre la pression sur les plateformes financi\u00e8res d\u00e9centralis\u00e9es en 2026. 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De nouvelles failles de s\u00e9curit\u00e9 continueront de mettre la pression sur les plateformes financi\u00e8res d\u00e9centralis\u00e9es en 2026. 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