{"id":132793,"date":"2025-11-10T13:14:30","date_gmt":"2025-11-10T13:14:30","guid":{"rendered":"https:\/\/cybersecuritynews.com\/?p=132793"},"modified":"2025-11-10T13:14:33","modified_gmt":"2025-11-10T13:14:33","slug":"npm-library-vulnerability","status":"publish","type":"post","link":"https:\/\/cybersecuritynews.com\/npm-library-vulnerability\/","title":{"rendered":"Critical Vulnerability in Popular NPM Library Exposes AI and NLP Apps to Remote Code Execution"},"content":{"rendered":"\n

A critical security flaw has been discovered in the widely used npm package<\/a> expr-eval, potentially exposing AI and natural language processing applications to remote code execution attacks.<\/p>\n\n\n\n

The vulnerability, tracked as CVE-2025-12735<\/a>, allows attackers to execute arbitrary system commands through maliciously crafted input.<\/p>\n\n\n\n

The expr-eval library is a JavaScript tool designed to parse and evaluate mathematical expressions safely, serving as a more secure alternative to JavaScript’s native eval() function.<\/p>\n\n\n\n

With over 250 dependent packages, including oplangchain, a JavaScript implementation of the popular LangChain framework<\/a>, this vulnerability has significant implications for the AI and NLP ecosystem.<\/p>\n\n\n\n

NPM Library<\/strong> Vulnerability<\/strong><\/h2>\n\n\n\n

Carnegie Mellon University researchers discovered<\/a> that attackers can define arbitrary functions within the parser’s context object, enabling the injection of malicious code that executes system-level commands.<\/p>\n\n\n\n

This vulnerability achieves Total Technical Impact under the SSVC framework, meaning adversaries gain complete control over affected software behavior and can access all system information.<\/p>\n\n\n\n

CVE ID<\/strong><\/th>Affected Package<\/strong><\/th>Vulnerability Type<\/strong><\/th>Patched Version<\/strong><\/th><\/tr><\/thead>
CVE-2025-12735<\/td>expr-eval, expr-eval-fork<\/td>Remote Code Execution<\/td>expr-eval-fork v3.0.0<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

The flaw is particularly dangerous for generative AI systems<\/a> and NLP applications. These systems often run in server environments with access to sensitive local resources and process user-supplied mathematical expressions.<\/p>\n\n\n\n

Developers using expr-eval or expr-eval-fork should take immediate action by upgrading to the expr-eval-fork version 3.0.0, which includes comprehensive security patches<\/a>.<\/p>\n\n\n\n

The update introduces an allowlist of safe functions, mandatory registration for custom functions, and enhanced test cases to enforce security constraints.<\/p>\n\n\n\n

The vulnerability<\/a> was responsibly disclosed by security researcher Jangwoo Choe (UKO) and patched through GitHub Pull Request #288.<\/p>\n\n\n\n

Organizations can use npm audit to automatically detect this vulnerability in their projects through the GitHub Security Advisory GHSA-jc85-fpwf-qm7x.<\/p>\n\n\n\n

Follow us on Google News<\/a>, LinkedIn<\/a>, and X<\/a> for daily cybersecurity updates. Contact us<\/a> to feature your stories.<\/strong><\/p>\n","protected":false},"excerpt":{"rendered":"

A critical security flaw has been discovered in the widely used npm package expr-eval, potentially exposing AI and natural language processing applications to remote code execution attacks. The vulnerability, tracked as CVE-2025-12735, allows attackers to execute arbitrary system commands through maliciously crafted input. The expr-eval library is a JavaScript tool designed to parse and evaluate mathematical […]<\/p>\n","protected":false},"author":27,"featured_media":132814,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"fifu_image_url":"https:\/\/blogger.googleusercontent.com\/img\/b\/R29vZ2xl\/AVvXsEh_hcLrbvkZzpTIIcslDua77pVPAZWGwWBhMryZSkKL_spzx7JQVON_66XVMyolupvch7At_SwSGi6V56r3PlzaTCDR2Uxcs-lrUakz1gD_MbVi-RVMW0dpl9daTcpfkCLzJpX49ZH9tG8AQtv1fDY_Tm_CLWfubqwASgbMWr7-NsWaEFjOeAvZxSGyu3k\/s1600\/Critical%20Vulnerability%20in%20Popular%20npm%20Library%20Exposes%20AI%20and%20NLP%20Apps%20to%20Remote%20Code%20Execution%20%281%29.webp","fifu_image_alt":"","_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[3066,11,2746,53],"tags":[149,151,416],"class_list":{"0":"post-132793","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-ai","8":"category-cyber-security-news","9":"category-latest-cybersecurity-news","10":"category-vulnerability","11":"tag-cyber-security","12":"tag-cyber-security-news","13":"tag-vulnerability"},"yoast_head":"\nCritical 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