importantSYS.SOURCE: The Hacker News• 2026-10-22T13:17:22+05:30

Critical Remote Code Execution Vulnerability in Node.js Brotli Decoder Across All Supported Versions

#nodejs #vulnerability #remote code execution #security #software

Node.js released security updates on October 21 for versions 22.x, 24.x, and 26.x, addressing 10 vulnerabilities, including a critical Brotli decoder flaw that enables remote code execution. The vulnerability affects all supported Node.js versions and allows attackers to execute arbitrary code on impacted systems.

Node.js released security updates on October 21 for its three supported release lines, 22.x, 24.x and 26.x, fixing 10 flaws. The most serious is a bug in the Brotli decompression code that Node.js bundles, which the project says can allow remote code execution, meaning an attacker could run code of their choosing on the affected system.

Each supported line has one fixed version:

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> OPTIMIZING MAP POLYGON TRIANGULATION: 3.7M POLYGONS PROCESSED IN 489 MS USING EARSTRIP > COMPROMISED INTERMEDIATE CERTIFICATE AUTHORITY VULNERABILITY CVE-2026-111943 > EXPLORING NON-LLM APPROACHES FOR AI REASONING > LITELLM INVESTIGATES GITHUB TOKEN LEAK LEADING TO MALICIOUS AI PACKAGE RELEASE > CRITICAL REMOTE CODE EXECUTION VULNERABILITY IN NODE.JS BROTLI DECODER ACROSS ALL SUPPORTED VERSIONS > QPACK VULNERABILITIES IN HTTP/3 ENABLE MEMORY AMPLIFICATION ATTACKS > EXPLOIT ATTEMPT TARGETING PHP2SHELL VULNERABILITIES DETECTED FOUR DAYS BEFORE PUBLIC DISCLOSURE > OFFICIAL OPENAI CLI TOOL FOR API INTERACTION > CHINA-LINKED THREAT GROUP STORM-0940 EXPLOITS ARTEX AI FRAMEWORK IN CONNECTWISE SUPPLY CHAIN ATTACK > OPTIMAL O(N LOG N) INTEGER MULTIPLICATION ALGORITHM PROPOSED> OPTIMIZING MAP POLYGON TRIANGULATION: 3.7M POLYGONS PROCESSED IN 489 MS USING EARSTRIP > COMPROMISED INTERMEDIATE CERTIFICATE AUTHORITY VULNERABILITY CVE-2026-111943 > EXPLORING NON-LLM APPROACHES FOR AI REASONING > LITELLM INVESTIGATES GITHUB TOKEN LEAK LEADING TO MALICIOUS AI PACKAGE RELEASE > CRITICAL REMOTE CODE EXECUTION VULNERABILITY IN NODE.JS BROTLI DECODER ACROSS ALL SUPPORTED VERSIONS > QPACK VULNERABILITIES IN HTTP/3 ENABLE MEMORY AMPLIFICATION ATTACKS > EXPLOIT ATTEMPT TARGETING PHP2SHELL VULNERABILITIES DETECTED FOUR DAYS BEFORE PUBLIC DISCLOSURE > OFFICIAL OPENAI CLI TOOL FOR API INTERACTION > CHINA-LINKED THREAT GROUP STORM-0940 EXPLOITS ARTEX AI FRAMEWORK IN CONNECTWISE SUPPLY CHAIN ATTACK > OPTIMAL O(N LOG N) INTEGER MULTIPLICATION ALGORITHM PROPOSED