A critical vulnerability, dubbed "node2shell" (CVE-2026-111497), has been discovered in the Brotli compression library, affecting numerous HTTP libraries and applications across multiple programming languages. The flaw allows for memory leakage or arbitrary code execution when processing crafted Brotli data. While the root cause was fixed in February by Google, the vulnerability was not initially recognized as a security issue, necessitating updates for all projects that bundle Brotli. Patches are now available for Brotli itself, as well as for Node.js, Python, and other affected software, with recommendations to disable Brotli decoding if patches are not immediately applicable. AI
IMPACT Requires immediate patching of Brotli and related software to prevent potential code execution and data leaks.
RANK_REASON Security vulnerability disclosure affecting multiple software libraries and applications.
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- Apache Software Foundation
- Brotli
- CVE-2026-111497
- HTTP
- libbrotli
- nginx
- Node2Shell
- Node.js
- OpenAI
- Python
- Requests
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