{"id":836,"date":"2026-04-13T19:33:17","date_gmt":"2026-04-13T19:33:17","guid":{"rendered":"https:\/\/global.livebitcoinnews.com\/fr\/2026\/04\/13\/exploit-de-pontage-dot-des-pirates-creent-1-milliard-de-jetons-non-autorises\/"},"modified":"2026-04-13T19:33:17","modified_gmt":"2026-04-13T19:33:17","slug":"exploit-de-pontage-dot-des-pirates-creent-1-milliard-de-jetons-non-autorises","status":"publish","type":"post","link":"https:\/\/global.livebitcoinnews.com\/fr\/2026\/04\/13\/exploit-de-pontage-dot-des-pirates-creent-1-milliard-de-jetons-non-autorises\/","title":{"rendered":"Exploit de pontage $DOT : Des pirates cr\u00e9ent 1 milliard de jetons non autoris\u00e9s"},"content":{"rendered":"<p><b><i>Une faille d&rsquo;Hyperbridge a permis la frappe de faux DOT, exposant une faible validation inter-cha\u00eenes et d\u00e9clenchant une perturbation importante du march\u00e9.<\/i><\/b><\/p>\n<p><span style=\"font-weight: 400\">Des inqui\u00e9tudes concernant la s\u00e9curit\u00e9 inter-cha\u00eenes ont \u00e9merg\u00e9 apr\u00e8s qu&rsquo;une exploitation majeure ait touch\u00e9 le protocole Hyperbridge. Des attaquants ont r\u00e9ussi \u00e0 frapper une quantit\u00e9 massive de jetons DOT pont\u00e9s non autoris\u00e9s sur Ethereum. Les participants au march\u00e9 r\u00e9\u00e9valuent d\u00e9sormais les risques li\u00e9s aux infrastructures d&rsquo;interop\u00e9rabilit\u00e9.<\/span><\/p>\n<h2><span style=\"font-weight: 400\">Une exploitation dans le pont Polkadot provoque un effondrement soudain des prix<\/span><\/h2>\n<p><span style=\"font-weight: 400\">Une faille critique dans le contrat de passerelle Hyperbridge a permis aux attaquants de manipuler les actifs pont\u00e9s dans l&rsquo;\u00e9cosyst\u00e8me Polkadot. Les donn\u00e9es onchain indiquent qu&rsquo;un milliard de jetons DOT ill\u00e9gitimes ont \u00e9t\u00e9 cr\u00e9\u00e9s sur Ethereum et rapidement vendus.<\/span><\/p>\n<p><span style=\"font-weight: 400\">Selon la firme de s\u00e9curit\u00e9 blockchain CertiK, le probl\u00e8me provenait d&rsquo;une validation faible dans le syst\u00e8me de v\u00e9rification des messages <\/span><a href=\"https:\/\/www.livebitcoinnews.com\/injective-to-enable-native-usd-coin-issuance-with-cross-chain-transfer-protocol-integration\/\"><span style=\"font-weight: 400\">inter-cha\u00eenes<\/span><\/a><span style=\"font-weight: 400\"> du protocole. En forgeant un message malveillant, l&rsquo;attaquant a contourn\u00e9 les contr\u00f4les de s\u00e9curit\u00e9 et a pris le contr\u00f4le du contrat de jeton bas\u00e9 sur Ethereum.<\/span><\/p>\n<blockquote class=\"twitter-tweet\" data-width=\"500\" data-dnt=\"true\">\n<p lang=\"en\" dir=\"ltr\"><a href=\"https:\/\/twitter.com\/hashtag\/CertiKInsight?src=hash&amp;ref_src=twsrc%5Etfw\">#CertiKInsight<\/a> \ud83d\udea8<\/p>\n<p>We have seen an exploit on the <a href=\"https:\/\/twitter.com\/hyperbridge?ref_src=twsrc%5Etfw\">@hyperbridge<\/a> gateway contract. <a href=\"https:\/\/t.co\/h27iDm1JGd\">https:\/\/t.co\/h27iDm1JGd<\/a><\/p>\n<p>The attacker slipped through a forged message to change the admin of Polkadot token contract on Ethereum and profited ~$237K from minting and selling 1B tokens.<\/p>\n<p>Stay\u2026 <a href=\"https:\/\/t.co\/3t2n4uq5hy\">pic.twitter.com\/3t2n4uq5hy<\/a><\/p>\n<p>&mdash; CertiK Alert (@CertiKAlert) <a href=\"https:\/\/twitter.com\/CertiKAlert\/status\/2043557571609731268?ref_src=twsrc%5Etfw\">April 13, 2026<\/a><\/p><\/blockquote>\n<p><script async src=\"https:\/\/platform.twitter.com\/widgets.js\" charset=\"utf-8\"><\/script><\/p>\n<p><span style=\"font-weight: 400\">Une analyse plus pouss\u00e9e a r\u00e9v\u00e9l\u00e9 que la vuln\u00e9rabilit\u00e9 \u00e9tait li\u00e9e \u00e0 la logique Merkle Mountain Range. Lorsqu&rsquo;une seule feuille \u00e9tait pr\u00e9sente, le processus de v\u00e9rification ne parvenait pas \u00e0 lier correctement les donn\u00e9es de preuve \u00e0 la demande de transaction. Cette lacence a permis la r\u00e9utilisation d&rsquo;anciennes donn\u00e9es de transaction et l&rsquo;ex\u00e9cution de l&rsquo;attaque.<\/span><\/p>\n<p><span style=\"font-weight: 400\">La plateforme d&rsquo;analyse blockchain <\/span><a href=\"https:\/\/x.com\/OnchainLens\/status\/2043557458946539813?s=20\"><span style=\"font-weight: 400\">Onchain Lens<\/span><\/a><span style=\"font-weight: 400\"> a rapport\u00e9 que le prix du DOT pont\u00e9 sur Ethereum s&rsquo;est effondr\u00e9 d&rsquo;environ 1,22 $ \u00e0 quelques fractions de centime en quelques minutes. La vente rapide refl\u00e9tait \u00e0 la fois l&rsquo;offre gonfl\u00e9e et la perte de confiance dans l&rsquo;actif concern\u00e9.<\/span><\/p>\n<h2><span style=\"font-weight: 400\">L&rsquo;incident Hyperbridge provoque la suspension du $DOT sur Upbit et Bithumb<\/span><\/h2>\n<p><span style=\"font-weight: 400\">Les d\u00e9veloppeurs de Polkadot ont clarifi\u00e9 que l&rsquo;exploitation n&rsquo;a pas affect\u00e9 le DOT natif sur son r\u00e9seau principal. Seuls les jetons pont\u00e9s vers Ethereum via Hyperbridge ont \u00e9t\u00e9 touch\u00e9s. Les autres routes de pontage et les op\u00e9rations du r\u00e9seau central restent intactes.<\/span><\/p>\n<blockquote class=\"twitter-tweet\" data-width=\"500\" data-dnt=\"true\">\n<p lang=\"en\" dir=\"ltr\">We\u2019re aware of an issue affecting <a href=\"https:\/\/twitter.com\/hyperbridge?ref_src=twsrc%5Etfw\">@hyperbridge<\/a>&#39;s Ethereum gateway contract.  <\/p>\n<p>The exploit only affects DOT on Ethereum that is bridged through Hyperbridge and does not affect DOT in the Polkadot ecosystem, or DOT bridged through other bridges.   <\/p>\n<p>Polkadot, its parachains, and\u2026<\/p>\n<p>&mdash; Polkadot (@Polkadot) <a href=\"https:\/\/twitter.com\/Polkadot\/status\/2043594321836884446?ref_src=twsrc%5Etfw\">April 13, 2026<\/a><\/p><\/blockquote>\n<p><script async src=\"https:\/\/platform.twitter.com\/widgets.js\" charset=\"utf-8\"><\/script><\/p>\n<p><span style=\"font-weight: 400\">Suite \u00e0 l&rsquo;incident, Polkadot a clarifi\u00e9 le probl\u00e8me concernant la passerelle Ethereum d&rsquo;Hyperbridge. L&rsquo;\u00e9quipe a d\u00e9clar\u00e9 que le probl\u00e8me se limite aux jetons DOT pont\u00e9s via Hyperbridge sur Ethereum. <\/span><\/p>\n<p><span style=\"font-weight: 400\">Les actifs sur le r\u00e9seau principal de Polkadot, ainsi que ceux d\u00e9plac\u00e9s via d&rsquo;autres ponts, restent s\u00fbrs. Polkadot a \u00e9galement not\u00e9 que son r\u00e9seau central et ses parachains n&rsquo;ont pas \u00e9t\u00e9 affect\u00e9s. Pendant ce temps, les op\u00e9rations d&rsquo;Hyperbridge ont \u00e9t\u00e9 temporairement interrompues pendant que l&rsquo;enqu\u00eate se poursuit.<\/span><span style=\"font-weight: 400\"><br \/>\n<\/span><span style=\"font-weight: 400\"><br \/>\n<\/span><span style=\"font-weight: 400\">D&rsquo;importantes bourses sud-cor\u00e9ennes, dont <\/span><a href=\"https:\/\/www.livebitcoinnews.com\/crypto-victory-court-overturns-fiu-ban-on-upbit-operator\/\"><span style=\"font-weight: 400\">Upbit<\/span><\/a><span style=\"font-weight: 400\"> et Bithumb, ont suspendu les d\u00e9p\u00f4ts et retraits de DOT. Les deux plateformes ont invoqu\u00e9 des pr\u00e9occupations de s\u00e9curit\u00e9 suite \u00e0 l&rsquo;incident.<\/span><\/p>\n<p><span style=\"font-weight: 400\">Cet \u00e9v\u00e9nement survient peu apr\u00e8s l&rsquo;intensification des contr\u00f4les sur le march\u00e9 cryptographique sud-cor\u00e9en. Les autorit\u00e9s ont r\u00e9cemment ouvert une enqu\u00eate sur <\/span><a href=\"https:\/\/www.livebitcoinnews.com\/south-korea-launches-full-probe-into-bithumb-after-43b-bitcoin-error\/\"><span style=\"font-weight: 400\">Bithumb<\/span><\/a><span style=\"font-weight: 400\"> suite \u00e0 une erreur importante de transfert de Bitcoin, soulevant des inqui\u00e9tudes plus larges sur les risques op\u00e9rationnels et syst\u00e9miques.<\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Une faille d&rsquo;Hyperbridge a permis la frappe de faux DOT, exposant une faible validation inter-cha\u00eenes et d\u00e9clenchant une perturbation importante du march\u00e9. Des inqui\u00e9tudes concernant la s\u00e9curit\u00e9 inter-cha\u00eenes ont \u00e9merg\u00e9 apr\u00e8s qu&rsquo;une exploitation majeure ait touch\u00e9 le protocole Hyperbridge. Des attaquants ont r\u00e9ussi \u00e0 frapper une quantit\u00e9 massive de jetons DOT pont\u00e9s non autoris\u00e9s sur [&hellip;]<\/p>\n","protected":false},"author":6,"featured_media":835,"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-836","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 v27.1.1 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Exploit de pontage $DOT : Des pirates cr\u00e9ent 1 milliard de jetons non autoris\u00e9s - 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\/04\/13\/exploit-de-pontage-dot-des-pirates-creent-1-milliard-de-jetons-non-autorises\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Exploit de pontage $DOT : Des pirates cr\u00e9ent 1 milliard de jetons non autoris\u00e9s - France Live Bitcoin News\" \/>\n<meta property=\"og:description\" content=\"Une faille d&rsquo;Hyperbridge a permis la frappe de faux DOT, exposant une faible validation inter-cha\u00eenes et d\u00e9clenchant une perturbation importante du march\u00e9. Des inqui\u00e9tudes concernant la s\u00e9curit\u00e9 inter-cha\u00eenes ont \u00e9merg\u00e9 apr\u00e8s qu&rsquo;une exploitation majeure ait touch\u00e9 le protocole Hyperbridge. 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Des inqui\u00e9tudes concernant la s\u00e9curit\u00e9 inter-cha\u00eenes ont \u00e9merg\u00e9 apr\u00e8s qu&rsquo;une exploitation majeure ait touch\u00e9 le protocole Hyperbridge. 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