{"id":324,"date":"2025-12-26T10:06:21","date_gmt":"2025-12-26T10:06:21","guid":{"rendered":"https:\/\/blog.ibvl.in\/index.php\/2025\/12\/26\/critical-langchain-core-vulnerability-exposes-secrets-via-serialization-injection\/"},"modified":"2025-12-26T10:06:21","modified_gmt":"2025-12-26T10:06:21","slug":"critical-langchain-core-vulnerability-exposes-secrets-via-serialization-injection","status":"publish","type":"post","link":"https:\/\/blog.ibvl.in\/index.php\/2025\/12\/26\/critical-langchain-core-vulnerability-exposes-secrets-via-serialization-injection\/","title":{"rendered":"Critical LangChain Core Vulnerability Exposes Secrets via Serialization Injection"},"content":{"rendered":"<div>A critical security flaw has been disclosed in LangChain Core that could be exploited by an attacker to steal sensitive secrets and even influence large language model (LLM) responses through prompt injection.<br \/>\nLangChain Core (i.e., langchain-core) is a core Python package that&#8217;s part of the LangChain ecosystem, providing the core interfaces and model-agnostic abstractions for building<\/div>\n","protected":false},"excerpt":{"rendered":"<p>A critical security flaw has been disclosed in LangChain Core that could be exploited by an attacker to steal sensitive secrets and even influence large language model (LLM) responses through prompt injection. LangChain Core (i.e., langchain-core) is a core Python package that&#8217;s part of the LangChain ecosystem, providing the core interfaces and model-agnostic abstractions for [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"site-container-style":"default","site-container-layout":"default","site-sidebar-layout":"default","disable-article-header":"default","disable-site-header":"default","disable-site-footer":"default","disable-content-area-spacing":"default","footnotes":""},"categories":[90],"tags":[91],"class_list":["post-324","post","type-post","status-publish","format-standard","hentry","category-cybersecurity","tag-cybersecurity"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.7 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Critical LangChain Core Vulnerability Exposes Secrets via Serialization Injection - Imperative Business Ventures Limited<\/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:\/\/blog.ibvl.in\/index.php\/2025\/12\/26\/critical-langchain-core-vulnerability-exposes-secrets-via-serialization-injection\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Critical LangChain Core Vulnerability Exposes Secrets via Serialization Injection - Imperative Business Ventures Limited\" \/>\n<meta property=\"og:description\" content=\"A critical security flaw has been disclosed in LangChain Core that could be exploited by an attacker to steal sensitive secrets and even influence large language model (LLM) responses through prompt injection. 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