{"id":9141,"date":"2026-07-15T19:04:12","date_gmt":"2026-07-15T19:04:12","guid":{"rendered":"https:\/\/global.livebitcoinnews.com\/fr\/2026\/07\/15\/blockaid-signale-un-exploit-presume-de-18-millions-de-dollars-ciblant-ostium\/"},"modified":"2026-07-15T19:04:12","modified_gmt":"2026-07-15T19:04:12","slug":"blockaid-signale-un-exploit-presume-de-18-millions-de-dollars-ciblant-ostium","status":"publish","type":"post","link":"https:\/\/global.livebitcoinnews.com\/fr\/2026\/07\/15\/blockaid-signale-un-exploit-presume-de-18-millions-de-dollars-ciblant-ostium\/","title":{"rendered":"Blockaid signale un exploit pr\u00e9sum\u00e9 de 18 millions de dollars ciblant Ostium"},"content":{"rendered":"

Blockaid a li\u00e9 l’exploit pr\u00e9sum\u00e9 d’Ostium de 18 millions de dollars \u00e0 des rapports Oracle manipul\u00e9s, ce qui a d\u00e9clench\u00e9 une enqu\u00eate active.<\/strong><\/em><\/p>\n

Un autre incident de s\u00e9curit\u00e9 majeur a frapp\u00e9 le secteur financier d\u00e9centralis\u00e9, s\u2019ajoutant \u00e0 une vague croissante d\u2019exploits cryptographiques de grande valeur. Les attaquants continuent de trouver de nouveaux moyens de manipuler les contrats intelligents et de drainer les fonds du protocole malgr\u00e9 les am\u00e9liorations continues de la s\u00e9curit\u00e9. Ostium a d\u00e9sormais rejoint la liste des plates-formes concern\u00e9es apr\u00e8s qu’un exploit pr\u00e9sum\u00e9 ait drain\u00e9 environ 18 millions de dollars de l’un de ses coffres-forts.\u00a0<\/span><\/p>\n

Blockaid trace une attaque contre la manipulation de rapports Oracle<\/span><\/h2>\n

La soci\u00e9t\u00e9 de s\u00e9curit\u00e9 Blockchain Blockaid a d\u00e9tect\u00e9 un exploit pr\u00e9sum\u00e9 ciblant le coffre-fort OLP d’Ostium sur le r\u00e9seau Arbitrum. Cela a entra\u00een\u00e9 une perte USDC estim\u00e9e \u00e0 18 millions de dollars.\u00a0<\/span><\/p>\n

Selon Blockaid, un attaquant a combin\u00e9 un transitaire PriceUpKeep enregistr\u00e9 avec des rapports Oracle autoris\u00e9s et dat\u00e9s dans le futur pour fabriquer des b\u00e9n\u00e9fices commerciaux. Cette manipulation aurait d\u00e9clench\u00e9 un paiement artificiel d\u2019environ 18 millions de dollars USDC depuis le coffre-fort du protocole.<\/span><\/p>\n

\n

\ud83d\udea8 Blockaid a d\u00e9tect\u00e9 un@Ostium<\/a>Exploit de coffre-fort sur Arbitrum.<\/p>\n

Un attaquant a utilis\u00e9 un transitaire PriceUpKeep enregistr\u00e9 et des rapports Oracle autoris\u00e9s \u00e0 date ult\u00e9rieure pour cr\u00e9er un b\u00e9n\u00e9fice commercial artificiel, d\u00e9clenchant un paiement d’environ 18 millions de dollars USDC depuis le coffre-fort.
Plus de d\u00e9tails dans \ud83e\uddf5<\/p>\n

\u2013 Blockaid (@blockaid_)15 juillet 2026<\/a><\/p>\n<\/blockquote>\n

L’entreprise a d\u00e9clar\u00e9 que son syst\u00e8me de surveillance avait identifi\u00e9 la transaction suspecte peu de temps apr\u00e8s son ex\u00e9cution. Les enregistrements en cha\u00eene montrent que le transfert a \u00e9t\u00e9 effectu\u00e9 environ une heure avant la publication de l’alerte de s\u00e9curit\u00e9. Transaction<\/span>d\u00e9tails<\/span><\/a>indique que l’exploit a \u00e9t\u00e9 ex\u00e9cut\u00e9 avec succ\u00e8s dans le bloc 484137113 avec 410 confirmations de couche 1.\u00a0<\/span><\/p>\n

Les rapports indiquent \u00e9galement que l’attaquant s’est appuy\u00e9 sur un appel de fonction \u00ab\u00a0Execute Batch\u00a0\u00bb pendant l’exploit. Les chercheurs en s\u00e9curit\u00e9 associent de plus en plus cette fonction \u00e0 des attaques sophistiqu\u00e9es de contrats intelligents ciblant les protocoles financiers d\u00e9centralis\u00e9s.<\/span><\/p>\n

Ostium suspend ses \u00e9changes apr\u00e8s un exploit pr\u00e9sum\u00e9<\/span><\/h2>\n

Ostium a rapidement reconnu l’incident apr\u00e8s que Blockaid l’ait r\u00e9v\u00e9l\u00e9. Dans un message X, le protocole a confirm\u00e9 qu’il \u00e9tait au courant des probl\u00e8mes affectant le coffre-fort OLP et a imm\u00e9diatement suspendu toutes les transactions pendant que l’\u00e9quipe enqu\u00eatait sur la cause.<\/span><\/p>\n

Selon la derni\u00e8re mise \u00e0 jour, tous les fonds des traders et les positions ouvertes restent pr\u00e9serv\u00e9s et gel\u00e9s, tandis que les fonds d\u00e9tenus dans le contrat de stockage de trading ont \u00e9t\u00e9 suspendus. Ostium a d\u00e9clar\u00e9 qu’il travaillait avec des experts en s\u00e9curit\u00e9 concern\u00e9s pour enqu\u00eater sur l’incident et partagerait des mises \u00e0 jour suppl\u00e9mentaires \u00e0 mesure que de plus amples informations seraient disponibles.<\/span><\/p>\n

\n

Mise \u00e0 jour\u00a0: tous les fonds des traders et les positions ouvertes sont actuellement conserv\u00e9s tels quels (gel\u00e9s). Les fonds du contrat de stockage commercial sont suspendus. L\u2019\u00e9quipe enqu\u00eate activement avec des experts en s\u00e9curit\u00e9 concern\u00e9s. Nous fournirons des mises \u00e0 jour au fur et \u00e0 mesure.https:\/\/t.co\/zDe8gapmS3<\/a><\/p>\n

\u2013 Ostium (@Ostium)15 juillet 2026<\/a><\/p>\n<\/blockquote>\n

Le protocole avertit \u00e9galement les utilisateurs des tentatives d’usurpation d’identit\u00e9, avertissant que de faux comptes peuvent appara\u00eetre dans les fils de r\u00e9ponse pr\u00e9tendant repr\u00e9senter Ostium. Il est conseill\u00e9 aux utilisateurs de ne pas cliquer sur les liens suspects pendant que l’enqu\u00eate se poursuit.<\/span><\/p>\n

Les r\u00e9centes failles de s\u00e9curit\u00e9 refl\u00e8tent les risques croissants dans DeFi<\/span><\/h2>\n

Le nombre croissant d\u2019attaques continue de susciter des inqui\u00e9tudes dans l\u2019ensemble du secteur de la cryptographie. Plus t\u00f4t en juin, des attaquants ont compromis le protocole humanitaire lors d’un incident qui a<\/span>aurait<\/span><\/a>a entra\u00een\u00e9 des pertes comprises entre 32 et 36 millions de dollars.<\/span><\/p>\n

Selon certaines informations, des pirates auraient d’abord cibl\u00e9 un directeur de la Humanity Foundation par le biais d’une campagne de phishing. L\u2019acc\u00e8s \u00e0 distance \u00e0 l\u2019ordinateur portable de la victime aurait permis d\u2019acc\u00e9der aux informations du portefeuille et aux cl\u00e9s priv\u00e9es. Les attaquants ont ensuite transf\u00e9r\u00e9 environ 141,18 millions de jetons H.<\/span><\/p>\n

Un autre exploit majeur s’est produit en mai lorsque Gravity Bridge<\/span>perdu environ 5,4 millions de dollars<\/span><\/a>dans les actifs num\u00e9riques. La soci\u00e9t\u00e9 de s\u00e9curit\u00e9 blockchain PeckShield a rapport\u00e9 que les attaquants ont vol\u00e9 environ 4,3 millions de dollars en USDC, 274 Ether envelopp\u00e9s d’une valeur d’environ 553 000 dollars, en USDT d’une valeur d’environ 434 000 dollars et 14 164 jetons PAX Gold d’une valeur de pr\u00e8s de 64 000 dollars.<\/span><\/p>\n

<\/p>\n

Source : Live Bitcoin News<\/a><\/em><\/p>\n","protected":false},"excerpt":{"rendered":"

Blockaid a li\u00e9 l’exploit pr\u00e9sum\u00e9 d’Ostium de 18 millions de dollars \u00e0 des rapports Oracle manipul\u00e9s, ce qui a d\u00e9clench\u00e9 une enqu\u00eate active. Un autre incident de s\u00e9curit\u00e9 majeur a frapp\u00e9 le secteur financier d\u00e9centralis\u00e9, s\u2019ajoutant \u00e0 une vague croissante d\u2019exploits cryptographiques de grande valeur. Les attaquants continuent de trouver de nouveaux moyens de manipuler […]<\/p>\n","protected":false},"author":6,"featured_media":9140,"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-9141","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-hacked"],"acf":[],"yoast_head":"\nBlockaid signale un exploit pr\u00e9sum\u00e9 de 18 millions de dollars ciblant Ostium - 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\/07\/15\/blockaid-signale-un-exploit-presume-de-18-millions-de-dollars-ciblant-ostium\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Blockaid signale un exploit pr\u00e9sum\u00e9 de 18 millions de dollars ciblant Ostium - France Live Bitcoin News\" \/>\n<meta property=\"og:description\" content=\"Blockaid a li\u00e9 l’exploit pr\u00e9sum\u00e9 d’Ostium de 18 millions de dollars \u00e0 des rapports Oracle manipul\u00e9s, ce qui a d\u00e9clench\u00e9 une enqu\u00eate active. 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