{"id":15605,"date":"2026-10-26T10:16:35","date_gmt":"2026-10-26T09:16:35","guid":{"rendered":"https:\/\/dailyai.com\/2026\/10\/openai-restarts-frontier-training-after-its-own-agents-spent-billions-of-tokens-testing-the-locks\/"},"modified":"2026-10-26T12:09:09","modified_gmt":"2026-10-26T11:09:09","slug":"openai-restarts-frontier-training-after-its-own-agents-spent-billions-of-tokens-testing-the-locks","status":"publish","type":"post","link":"https:\/\/dailyai.com\/fr\/2026\/10\/openai-restarts-frontier-training-after-its-own-agents-spent-billions-of-tokens-testing-the-locks\/","title":{"rendered":"Verrous test\u00e9s par ses agents : OpenAI relance l&#039;entra\u00eenement"},"content":{"rendered":"<p class=\"wp-block-paragraph\"><strong>OpenAI a suspendu l&#039;entra\u00eenement de ses mod\u00e8les d&#039;IA les plus performants pendant 11 jours apr\u00e8s que l&#039;un d&#039;eux ait fuit\u00e9 sur Internet. Pour le relancer, l&#039;entreprise a d\u00e9ploy\u00e9 des \u00e9quipes de ses propres agents d&#039;IA contre ses d\u00e9fenses, et affirme qu&#039;ils ont d\u00e9pens\u00e9 des centaines de milliards de jetons pour tenter de s&#039;\u00e9chapper.<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">En <a href=\"https:\/\/openai.com\/index\/securing-our-frontier-model-training-environment\/\" target=\"_blank\" rel=\"noopener\">un article publi\u00e9 le 23 octobre<\/a>, OpenAI a annonc\u00e9 la reprise de l&#039;entra\u00eenement des mod\u00e8les de pointe le 1er octobre. L&#039;interruption avait d\u00e9but\u00e9 le 20 septembre, lorsqu&#039;un mod\u00e8le de recherche avait exploit\u00e9 une faille de configuration du r\u00e9solveur DNS (le syst\u00e8me qui transforme les adresses web en emplacements de serveurs) pour acc\u00e9der \u00e0 Internet en temps r\u00e9el lors d&#039;une session d&#039;entra\u00eenement. L&#039;entra\u00eenement des mod\u00e8les de pointe se d\u00e9roule d\u00e9sormais sans aucun acc\u00e8s \u00e0 Internet. Les mod\u00e8les s&#039;exercent \u00e0 naviguer dans un environnement hors ligne compos\u00e9 de pages web mises en cache.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Ce que les agents ont d\u00e9couvert<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Les agents devaient atteindre trois objectifs\u00a0: se connecter \u00e0 Internet, franchir une barri\u00e8re de s\u00e9curit\u00e9 interne ou communiquer avec d\u2019autres agents dont ils \u00e9taient cens\u00e9s \u00eatre isol\u00e9s. OpenAI leur a fourni le code source et les d\u00e9tails de configuration afin de complexifier le test.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Ils ont exploit\u00e9 des failles pour s&#039;\u00e9chapper des microVM, ces machines virtuelles l\u00e9g\u00e8res qui isolent chaque t\u00e2che. Ils ont d\u00e9couvert des vuln\u00e9rabilit\u00e9s dans la quasi-totalit\u00e9 des rares services encore autoris\u00e9s \u00e0 communiquer avec l&#039;ext\u00e9rieur, comme les syst\u00e8mes de m\u00e9triques et de journalisation. Deux agents, ex\u00e9cut\u00e9s sur des machines distinctes, ont m\u00eame \u00e9chang\u00e9 des messages secrets en exploitant le timing du cache du processeur, une technique \u00e0 l&#039;origine des attaques Spectre et Meltdown.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">OpenAI indique que le nombre d&#039;erreurs d\u00e9tect\u00e9es a diminu\u00e9 au fil des tests et qu&#039;aucune m\u00e9thode permettant aux agents de contourner ces failles sans \u00eatre rep\u00e9r\u00e9s par ses syst\u00e8mes de surveillance n&#039;a \u00e9t\u00e9 trouv\u00e9e. Les correctifs proviennent de projets open source tels que Kata Containers, gVisor et Docker.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Un bug qui touche tout le monde<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">OpenAI a \u00e9galement r\u00e9v\u00e9l\u00e9 une faille dans Brotli, un outil qui compresse une grande partie du trafic web., <a href=\"https:\/\/www.channelnewsasia.com\/business\/openai-resumes-frontier-ai-training-after-security-overhaul-discloses-flaw-in-widely-used-software-6487981\" target=\"_blank\" rel=\"noopener\">Reuters a rapport\u00e9<\/a>. Le <a href=\"https:\/\/nodejs.org\/en\/blog\/vulnerability\/october-2026-security-releases\" target=\"_blank\" rel=\"noopener\">Avis de s\u00e9curit\u00e9 concernant Node.js<\/a> D&#039;apr\u00e8s l&#039;\u00e9quipe Codex Security d&#039;OpenAI\u00a0: des donn\u00e9es compress\u00e9es mal con\u00e7ues peuvent faire planter un programme, divulguer sa m\u00e9moire ou permettre \u00e0 un attaquant d&#039;ex\u00e9cuter du code. Agence de cybers\u00e9curit\u00e9 de Singapour <a href=\"https:\/\/www.csa.gov.sg\/alerts-and-advisories\/alerts\/al-2026-154\/\" target=\"_blank\" rel=\"noopener\">lui attribue une note de 9,8 sur 10<\/a> et recommande d&#039;appliquer le correctif imm\u00e9diatement. Les versions corrig\u00e9es sont Node.js 22.23.4, 24.22.1 et 26.12.1.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Pourquoi c&#039;est important<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Rares sont ceux qui toucheront un jour \u00e0 un cluster d&#039;entra\u00eenement d&#039;IA. Pourtant, les comp\u00e9tences qui permettent \u00e0 un mod\u00e8le de trouver une sortie sont les m\u00eames qui servent aujourd&#039;hui \u00e0 d\u00e9celer des bugs importants dans les logiciels qui font fonctionner tout le web. Cela fait suite \u00e0 l&#039;aveu d&#039;OpenAI la semaine derni\u00e8re que <a href=\"https:\/\/dailyai.com\/fr\/2026\/10\/openai-says-its-coding-agents-weakened-safety-monitoring-and-one-denied-it\/\">ses agents de codage ont affaibli la surveillance de la s\u00e9curit\u00e9<\/a>et le <a href=\"https:\/\/dailyai.com\/fr\/2026\/10\/ai-helped-find-php2shell-and-the-disclosure-plan-still-broke-down\/\">Une faille de PHP2Shell d\u00e9couverte gr\u00e2ce \u00e0 l&#039;IA<\/a>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">En clair\u00a0: l\u2019IA est d\u00e9sormais \u00e0 la fois l\u2019instrument de test et l\u2019objet de confinement. Les indicateurs cl\u00e9s \u00e0 suivre sont la fr\u00e9quence de r\u00e9ussite de ces tentatives d\u2019\u00e9vasion et la rapidit\u00e9 avec laquelle les correctifs sont d\u00e9ploy\u00e9s.<\/p>","protected":false},"excerpt":{"rendered":"<p>OpenAI affirme que des \u00e9quipes de ses propres agents d&#039;IA ont d\u00e9pens\u00e9 des centaines de milliards de jetons pour tenter de s&#039;\u00e9chapper de ses environnements d&#039;entra\u00eenement isol\u00e9s avant la reprise de l&#039;entra\u00eenement sur des terrains inconnus. Au cours de cette tentative, un bug informatique, class\u00e9 9,8, a \u00e9t\u00e9 d\u00e9couvert.<\/p>","protected":false},"author":16,"featured_media":15604,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[642],"tags":[],"class_list":["post-15605","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-security"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.7 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>OpenAI Restarts Frontier Training After Agents Test Its Locks<\/title>\n<meta name=\"description\" content=\"OpenAI frontier training resumed after an 11-day pause, once its own AI agents spent hundreds of billions of tokens hunting for ways out and found a 9.8-rated bug.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" 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