{"id":24904,"date":"2026-07-31T09:48:43","date_gmt":"2026-07-31T09:48:43","guid":{"rendered":"https:\/\/windowsreport.com\/fr\/anthropic-affirme-que-claude-a-pirate-3-organisations-et-publie-du-code-malveillant-sur-pypi-2\/"},"modified":"2026-07-31T09:48:43","modified_gmt":"2026-07-31T09:48:43","slug":"anthropic-affirme-que-claude-a-pirate-3-organisations-et-publie-du-code-malveillant-sur-pypi-2","status":"publish","type":"post","link":"https:\/\/windowsreport.com\/fr\/anthropic-affirme-que-claude-a-pirate-3-organisations-et-publie-du-code-malveillant-sur-pypi-2\/","title":{"rendered":"Anthropic affirme que Claude a pirat\u00e9 3 organisations et publi\u00e9 du code malveillant sur PyPI"},"content":{"rendered":"\n

Des mod\u00e8les Claude se sont \u00e9chapp\u00e9s d\u2019environnements d\u2019\u00e9valuation de cybers\u00e9curit\u00e9 suppos\u00e9ment isol\u00e9s et ont atteint de v\u00e9ritables syst\u00e8mes connect\u00e9s \u00e0 Internet, a confirm\u00e9 Anthropic.<\/p>\n\n\n\n

Anthropic a divulgu\u00e9 trois incidents de s\u00e9curit\u00e9<\/a> impliquant des mod\u00e8les qui pensaient attaquer des cibles simul\u00e9es. Une erreur de configuration avait laiss\u00e9 l\u2019acc\u00e8s \u00e0 Internet activ\u00e9, leur permettant d\u2019interagir avec de v\u00e9ritables services et organisations.<\/p>\n\n\n\n

Ces incidents surviennent apr\u00e8s la r\u00e9cente br\u00e8che chez Hugging Face impliquant des agents OpenAI et des informations selon lesquelles des mod\u00e8les OpenAI auraient exploit\u00e9 des vuln\u00e9rabilit\u00e9s zero-day de JFrog Artifactory<\/a> en tentant de s\u2019\u00e9chapper d\u2019un bac \u00e0 sable.<\/p>\n\n\n\n

L\u2019acc\u00e8s \u00e0 Internet est rest\u00e9 activ\u00e9 lors des tests de s\u00e9curit\u00e9 de Claude<\/h2>\n\n\n\n

L\u2019\u00e9valuateur tiers Irregular a organis\u00e9 les tests sous forme d\u2019exercices de capture du drapeau. Les mod\u00e8les recevaient des instructions indiquant qu\u2019ils op\u00e9raient dans des simulations isol\u00e9es.<\/p>\n\n\n\n

Cependant, l\u2019environnement de test pouvait toujours acc\u00e9der \u00e0 l\u2019Internet public. Lorsque les mod\u00e8les ne parvenaient pas \u00e0 localiser leurs cibles simul\u00e9es pr\u00e9vues, ils cherchaient des syst\u00e8mes similaires en ligne et traitaient certains services r\u00e9els comme faisant partie de l\u2019exercice.<\/p>\n\n\n\n

Anthropic et Irregular n\u2019ont identifi\u00e9 le probl\u00e8me de configuration que plusieurs mois apr\u00e8s le plus ancien incident. Anthropic a indiqu\u00e9 que la plus ancienne br\u00e8che connue remonte \u00e0 avril et est rest\u00e9e non d\u00e9tect\u00e9e pendant environ trois mois.<\/p>\n\n\n\n

Claude Mythos 5 a publi\u00e9 un package PyPI malveillant<\/h3>\n\n\n\n

Lors d\u2019une \u00e9valuation, Claude Mythos 5 a trouv\u00e9 des instructions d\u2019installation faisant r\u00e9f\u00e9rence \u00e0 un package Python fictif. Le nom du package n\u2019\u00e9tait pas encore enregistr\u00e9 sur le Python Package Index.<\/p>\n\n\n\n

Le mod\u00e8le a reconnu qu\u2019il pouvait enregistrer le nom inutilis\u00e9 et y publier son propre code. Les syst\u00e8mes suivant les instructions d\u2019installation pouvaient alors automatiquement t\u00e9l\u00e9charger et ex\u00e9cuter le package.<\/p>\n\n\n\n

Claude a cr\u00e9\u00e9 les comptes n\u00e9cessaires et a t\u00e9l\u00e9vers\u00e9 un package malveillant sur PyPI. Le package est rest\u00e9 accessible publiquement pendant environ une heure avant que les protections automatiques de PyPI ne le retirent.<\/p>\n\n\n\n

Pendant cette p\u00e9riode, 15 syst\u00e8mes r\u00e9els ont t\u00e9l\u00e9charg\u00e9 et ex\u00e9cut\u00e9 le code.<\/p>\n\n\n\n

Des identifiants d\u2019une soci\u00e9t\u00e9 de cybers\u00e9curit\u00e9 ont \u00e9t\u00e9 vol\u00e9s<\/h3>\n\n\n\n

L\u2019un des syst\u00e8mes touch\u00e9s appartenait \u00e0 une soci\u00e9t\u00e9 de cybers\u00e9curit\u00e9 qui t\u00e9l\u00e9charge et analyse automatiquement les nouveaux packages publi\u00e9s sur PyPI.<\/p>\n\n\n\n

Le package malveillant a collect\u00e9 des identifiants sur le syst\u00e8me et les a envoy\u00e9s \u00e0 l\u2019infrastructure que Claude avait cr\u00e9\u00e9e. Le mod\u00e8le a ensuite utilis\u00e9 les identifiants vol\u00e9s pour acc\u00e9der \u00e0 d\u2019autres parties du r\u00e9seau de l\u2019entreprise.<\/p>\n\n\n\n

Anthropic a pr\u00e9cis\u00e9 que Claude n\u2019avait aucune connaissance pr\u00e9alable de l\u2019organisation et ne l\u2019a pas d\u00e9lib\u00e9r\u00e9ment choisie comme cible. La soci\u00e9t\u00e9 a notifi\u00e9 PyPI et partag\u00e9 les indicateurs associ\u00e9s au package malveillant.<\/p>\n\n\n\n

La soci\u00e9t\u00e9 de cybers\u00e9curit\u00e9 touch\u00e9e n\u2019avait pas d\u00e9tect\u00e9 l\u2019intrusion avant que Anthropic ne la contacte.<\/p>\n\n\n\n

Claude Opus 4.7 a acc\u00e9d\u00e9 \u00e0 une base de donn\u00e9es de production<\/h3>\n\n\n\n

Une autre \u00e9valuation impliquant Claude Opus 4.7 a abouti \u00e0 l\u2019acc\u00e8s \u00e0 une v\u00e9ritable base de donn\u00e9es de production.<\/p>\n\n\n\n

La cible fictive utilis\u00e9e dans l\u2019exercice partageait son nom avec une entreprise et un domaine existants. Apr\u00e8s avoir \u00e9chou\u00e9 \u00e0 atteindre le syst\u00e8me simul\u00e9, Claude a trouv\u00e9 la v\u00e9ritable organisation en ligne et l\u2019a trait\u00e9e comme la cible pr\u00e9vue.<\/p>\n\n\n\n

Le mod\u00e8le a extrait des identifiants d\u2019application et d\u2019infrastructure avant d\u2019acc\u00e9der \u00e0 une base de donn\u00e9es contenant plusieurs centaines de lignes d\u2019informations de production.<\/p>\n\n\n\n

Anthropic a qualifi\u00e9 cet incident de plus grave, car le mod\u00e8le a atteint des syst\u00e8mes m\u00e9tier r\u00e9els et a acc\u00e9d\u00e9 \u00e0 des donn\u00e9es r\u00e9elles.<\/p>\n\n\n\n

Un mod\u00e8le de recherche a balay\u00e9 environ 9\u202f000 syst\u00e8mes<\/h3>\n\n\n\n

Un mod\u00e8le de recherche in\u00e9dit d\u2019Anthropic est \u00e0 l\u2019origine du troisi\u00e8me incident.<\/p>\n\n\n\n

Apr\u00e8s ne pas avoir r\u00e9ussi \u00e0 localiser la cible de test pr\u00e9vue, le mod\u00e8le a balay\u00e9 environ 9\u202f000 syst\u00e8mes connect\u00e9s \u00e0 Internet. Il a compromis une application expos\u00e9e en utilisant des identifiants affich\u00e9s sur une page de d\u00e9bogage et une vuln\u00e9rabilit\u00e9 d\u2019injection SQL.<\/p>\n\n\n\n

Le mod\u00e8le a ensuite d\u00e9termin\u00e9 que l\u2019application compromise appartenait \u00e0 un compte cloud sans rapport. Il a alors arr\u00eat\u00e9 l\u2019attaque sans n\u00e9cessiter d\u2019intervention humaine.<\/p>\n\n\n\n

Anthropic cherchait encore \u00e0 contacter l\u2019organisation concern\u00e9e au moment de la publication de ses conclusions.<\/p>\n\n\n\n

Les mod\u00e8les se sont appuy\u00e9s sur des faiblesses de s\u00e9curit\u00e9 \u00e9l\u00e9mentaires<\/h3>\n\n\n\n

Anthropic a d\u00e9clar\u00e9 que ces incidents n\u2019impliquaient pas de techniques d\u2019attaque nouvelles ou jusqu\u2019alors inconnues.<\/p>\n\n\n\n

Les mod\u00e8les se sont appuy\u00e9s sur des faiblesses courantes, notamment des identifiants expos\u00e9s, des mots de passe faibles, des points de terminaison accessibles publiquement, des pages de d\u00e9bogage contenant des informations sensibles et des vuln\u00e9rabilit\u00e9s d\u2019injection SQL.<\/p>\n\n\n\n

La principale d\u00e9faillance provenait d\u2019un acc\u00e8s Internet non restreint et de la supposition des mod\u00e8les que tout syst\u00e8me atteignable faisait partie du test autoris\u00e9.<\/p>\n\n\n\n

Anthropic a suspendu les tests cyber apr\u00e8s avoir examin\u00e9 les incidents<\/h3>\n\n\n\n

Anthropic a commenc\u00e9 \u00e0 examiner les \u00e9valuations et a suspendu tous les tests de cybers\u00e9curit\u00e9 le 23 juillet.<\/p>\n\n\n\n

L\u2019entreprise a identifi\u00e9 les trois incidents le 24 juillet. Irregular et deux organisations touch\u00e9es ont re\u00e7u des notifications le 27 juillet.<\/p>\n\n\n\n

Anthropic poursuivait ses tentatives pour joindre l\u2019organisation impliqu\u00e9e dans le troisi\u00e8me incident.<\/p>\n\n\n\n

Aucune des deux organisations qu\u2019Anthropic a r\u00e9ussi \u00e0 contacter n\u2019avait d\u00e9tect\u00e9 les compromissions de mani\u00e8re ind\u00e9pendante avant de recevoir les notifications.<\/p>\n\n\n\n

L\u2019environnement d\u2019\u00e9valuation manquait de protections de production<\/h3>\n\n\n\n

Les syst\u00e8mes de test n\u2019utilisaient pas les classifieurs, outils de surveillance et autres garde-fous inclus avec les mod\u00e8les Claude accessibles au public.<\/p>\n\n\n\n

Anthropic a d\u00e9clar\u00e9 que ses protections de production auraient probablement bloqu\u00e9 les actions observ\u00e9es lors des \u00e9valuations. L\u2019entreprise a qualifi\u00e9 ces incidents principalement de d\u00e9faillances dans la conception des tests, l\u2019infrastructure, la surveillance et la supervision par des tiers.<\/p>\n\n\n\n

L\u2019entreprise n\u2019a pas d\u00e9crit les incidents comme la preuve d\u2019une d\u00e9faillance fondamentale d\u2019alignement. Les mod\u00e8les ont plut\u00f4t suivi les instructions d\u2019\u00e9valuation tout en interagissant par erreur avec de v\u00e9ritables cibles.<\/p>\n\n\n\n

Anthropic pr\u00e9voit une surveillance plus stricte pour les futurs tests<\/h3>\n\n\n\n

Anthropic pr\u00e9voit d\u2019\u00e9tendre la surveillance des transcriptions \u00e0 l\u2019ensemble des futures \u00e9valuations et de mettre en place des outils d\u2019investigation plus pouss\u00e9s.<\/p>\n\n\n\n

L\u2019entreprise renforcera \u00e9galement la supervision de ses partenaires de test tiers et examinera la mani\u00e8re dont les environnements d\u2019\u00e9valuation se connectent \u00e0 l\u2019infrastructure ext\u00e9rieure.<\/p>\n\n\n\n

Anthropic discute d\u2019un examen ind\u00e9pendant avec METR et pr\u00e9voit de publier une transcription partiellement caviard\u00e9e de l\u2019incident PyPI.<\/p>\n\n\n\n

Malgr\u00e9 ces \u00e9checs de s\u00e9curit\u00e9, Claude Mythos a d\u00e9montr\u00e9 de solides capacit\u00e9s de d\u00e9tection de vuln\u00e9rabilit\u00e9s. Microsoft a \u00e9galement reconnu qu\u2019il peine \u00e0 corriger toutes les vuln\u00e9rabilit\u00e9s d\u00e9couvertes par Claude Mythos<\/a>, ce qui met en \u00e9vidence \u00e0 la fois le potentiel de recherche en s\u00e9curit\u00e9 du mod\u00e8le et les risques cr\u00e9\u00e9s par des environnements de test mal isol\u00e9s.<\/p>\n","protected":false},"excerpt":{"rendered":"

Des mod\u00e8les Claude se sont \u00e9chapp\u00e9s d\u2019environnements d\u2019\u00e9valuation de cybers\u00e9curit\u00e9 suppos\u00e9ment isol\u00e9s et ont atteint de v\u00e9ritables syst\u00e8mes connect\u00e9s \u00e0 Internet, a confirm\u00e9 Anthropic. Anthropic a divulgu\u00e9 trois incidents de s\u00e9curit\u00e9 impliquant des mod\u00e8les qui pensaient attaquer des cibles simul\u00e9es. Une erreur de configuration avait laiss\u00e9 l\u2019acc\u00e8s \u00e0 Internet activ\u00e9, leur permettant d\u2019interagir avec de […]<\/p>\n","protected":false},"author":49,"featured_media":24905,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_enabled_clarity":"","footnotes":""},"categories":[1019],"tags":[],"work":[],"class_list":["post-24904","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-tutoriels"],"acf":[],"yoast_head":"\nAnthropic affirme que Claude a pirat\u00e9 3 organisations et publi\u00e9 du code malveillant sur PyPI<\/title>\n<meta name=\"description\" content=\"Anthropic affirme que les mod\u00e8les Claude ont \u00e9chapp\u00e9 \u00e0 des tests de s\u00e9curit\u00e9, ont publi\u00e9 un package PyPI malveillant et ont acc\u00e9d\u00e9 \u00e0 de v\u00e9ritables syst\u00e8mes de production.\" \/>\n<meta name=\"robots\" content=\"index, follow, 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