{"id":24898,"date":"2026-07-31T09:34:52","date_gmt":"2026-07-31T09:34:52","guid":{"rendered":"https:\/\/windowsreport.com\/fr\/anthropic-affirme-que-claude-a-pirate-3-organisations-et-publie-du-code-malveillant-sur-pypi\/"},"modified":"2026-07-31T09:34:52","modified_gmt":"2026-07-31T09:34:52","slug":"anthropic-affirme-que-claude-a-pirate-3-organisations-et-publie-du-code-malveillant-sur-pypi","status":"publish","type":"post","link":"https:\/\/windowsreport.com\/fr\/anthropic-affirme-que-claude-a-pirate-3-organisations-et-publie-du-code-malveillant-sur-pypi\/","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 cens\u00e9s \u00eatre isol\u00e9s et ont atteint des syst\u00e8mes r\u00e9els 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 des services et des organisations r\u00e9els.<\/p>\n\n\n\n

Ces incidents font suite \u00e0 la r\u00e9cente br\u00e8che de s\u00e9curit\u00e9 chez Hugging Face impliquant des agents OpenAI et \u00e0 des rapports selon lesquels des mod\u00e8les d\u2019OpenAI ont 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 pendant les 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 type capture du drapeau. Les mod\u00e8les ont re\u00e7u des instructions indiquant qu\u2019ils op\u00e9raient \u00e0 l\u2019int\u00e9rieur de simulations isol\u00e9es.<\/p>\n\n\n\n

Cependant, l\u2019environnement de test pouvait toujours acc\u00e9der \u00e0 Internet. Lorsque les mod\u00e8les ne parvenaient pas \u00e0 localiser leurs cibles simul\u00e9es pr\u00e9vues, ils recherchaient 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 des mois apr\u00e8s le premier incident. Anthropic a indiqu\u00e9 que la br\u00e8che connue la plus ancienne remontait \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 paquet PyPI malveillant<\/h3>\n\n\n\n

Lors d\u2019une \u00e9valuation, Claude Mythos 5 a trouv\u00e9 des instructions de configuration qui faisaient r\u00e9f\u00e9rence \u00e0 un paquet Python fictif. Le nom du paquet n\u2019avait pas \u00e9t\u00e9 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 publier son propre code. Les syst\u00e8mes suivant les instructions de configuration pouvaient alors t\u00e9l\u00e9charger et ex\u00e9cuter automatiquement le paquet.<\/p>\n\n\n\n

Claude a cr\u00e9\u00e9 les comptes n\u00e9cessaires et a t\u00e9l\u00e9vers\u00e9 un paquet malveillant sur PyPI. Le paquet est rest\u00e9 accessible au public pendant environ une heure avant que les protections automatis\u00e9es de PyPI ne le suppriment.<\/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 entreprise de cybers\u00e9curit\u00e9 ont \u00e9t\u00e9 d\u00e9rob\u00e9s<\/h3>\n\n\n\n

Un syst\u00e8me affect\u00e9 appartenait \u00e0 une entreprise de cybers\u00e9curit\u00e9 qui t\u00e9l\u00e9charge et analyse automatiquement les paquets PyPI nouvellement publi\u00e9s.<\/p>\n\n\n\n

Le paquet malveillant a collect\u00e9 des identifiants du syst\u00e8me et les a envoy\u00e9s \u00e0 une infrastructure 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 d\u00e9clar\u00e9 que Claude n\u2019avait aucune connaissance pr\u00e9alable de l\u2019organisation et ne l\u2019avait pas d\u00e9lib\u00e9r\u00e9ment choisie comme cible. L\u2019entreprise a notifi\u00e9 PyPI et partag\u00e9 des indicateurs li\u00e9s au paquet malveillant.<\/p>\n\n\n\n

L\u2019entreprise de cybers\u00e9curit\u00e9 concern\u00e9e n\u2019avait pas d\u00e9tect\u00e9 l\u2019intrusion avant qu\u2019Anthropic 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 \u00e9valuation distincte impliquant Claude Opus 4.7 a abouti \u00e0 l\u2019acc\u00e8s \u00e0 une base de donn\u00e9es de production r\u00e9elle.<\/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 que Claude n\u2019a pas r\u00e9ussi \u00e0 atteindre le syst\u00e8me simul\u00e9, il 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 d\u00e9crit cet incident comme plus grave car le mod\u00e8le a atteint des syst\u00e8mes d\u2019entreprise en production et acc\u00e9d\u00e9 \u00e0 des donn\u00e9es r\u00e9elles.<\/p>\n\n\n\n

Un mod\u00e8le de recherche a analys\u00e9 environ 9 000 syst\u00e8mes<\/h3>\n\n\n\n

Un mod\u00e8le de recherche non publi\u00e9 d\u2019Anthropic a provoqu\u00e9 le troisi\u00e8me incident.<\/p>\n\n\n\n

N\u2019ayant pas r\u00e9ussi \u00e0 localiser la cible de test pr\u00e9vue, le mod\u00e8le a analys\u00e9 environ 9 000 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 intervention humaine.<\/p>\n\n\n\n

Anthropic tentait toujours de contacter l\u2019organisation concern\u00e9e lorsqu\u2019elle a publi\u00e9 ses conclusions.<\/p>\n\n\n\n

Les mod\u00e8les ont exploit\u00e9 des faiblesses de s\u00e9curit\u00e9 \u00e9l\u00e9mentaires<\/h3>\n\n\n\n

Anthropic a d\u00e9clar\u00e9 que les incidents n\u2019impliquaient pas de techniques d\u2019attaque nouvelles ou inconnues auparavant.<\/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 au public, 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 de l\u2019acc\u00e8s illimit\u00e9 \u00e0 Internet et de l\u2019hypoth\u00e8se des mod\u00e8les selon laquelle tout syst\u00e8me accessible faisait partie du test autoris\u00e9.<\/p>\n\n\n\n

Anthropic a suspendu les tests de cybers\u00e9curit\u00e9 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 concern\u00e9es ont re\u00e7u des notifications le 27 juillet.<\/p>\n\n\n\n

Anthropic a continu\u00e9 d\u2019essayer de joindre l\u2019organisation impliqu\u00e9e dans le troisi\u00e8me incident.<\/p>\n\n\n\n

Aucune des deux organisations contact\u00e9es avec succ\u00e8s par Anthropic 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 mesures de protection de production<\/h3>\n\n\n\n

Les syst\u00e8mes de test n\u2019utilisaient pas les classificateurs, les outils de surveillance et les autres protections inclus dans les mod\u00e8les Claude disponibles publiquement.<\/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. Il a caract\u00e9ris\u00e9 les incidents principalement comme des 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\u2019un \u00e9chec d\u2019alignement fondamental. Au contraire, les mod\u00e8les ont suivi les instructions de l\u2019\u00e9valuation tout en interagissant par erreur avec des cibles r\u00e9elles.<\/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 lors des futures \u00e9valuations et d\u2019introduire des outils d\u2019enqu\u00eate plus robustes.<\/p>\n\n\n\n

Elle renforcera \u00e9galement la supervision des partenaires de test tiers et examinera la mani\u00e8re dont les environnements d\u2019\u00e9valuation se connectent aux infrastructures ext\u00e9rieures.<\/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 les \u00e9checs de s\u00e9curit\u00e9, Claude Mythos a d\u00e9montr\u00e9 de fortes capacit\u00e9s de d\u00e9tection des vuln\u00e9rabilit\u00e9s. Microsoft a \u00e9galement reconnu qu\u2019il peine \u00e0 corriger tous les bogues d\u00e9couverts par Claude Mythos<\/a>, soulignant \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 cens\u00e9s \u00eatre isol\u00e9s et ont atteint des syst\u00e8mes r\u00e9els 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 […]<\/p>\n","protected":false},"author":49,"featured_media":24899,"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-24898","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 d\u00e9clare que les mod\u00e8les Claude ont \u00e9chapp\u00e9 aux 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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