# Brotli Decoder Flaw Behind Node.js RCE Also Affects Bun, Python and Other Widely Used Software

> **Open Intelligence Dossier** · First detected: 2026-10-26 17:40 UTC · Category: Technology

## Multi-Source Evidence Table
| Source Outlet | Headline | Verification URL |
|---|---|---|
| BleepingComputer | Critical 'HTTP2Shell' Brotli vulnerability triggers emergency patches | [Source Link](https://news.google.com/rss/articles/CBMitgFBVV95cUxQNGVrMWJmTkxqcDhLTzhhTGFyMU0yeTU0cDR2WTk4dmdkcVFhZVNLUVVWalUtS1p2ZUlxcWQ4MHFkT2FPOHlDYVFaNng2LW43NUxqeGpHNGlnVTZ3dXkwNTFic1ZDU1pkZ1N5YzdZemk3czR6Ni1RZ1owQ1RaNnJUZ04xSkpPVm5vNU16czM3TThQVjR0RFRsMWRQYTFRbjNrRGtHeUg1ZlJERnEzTC1sb0o4MlZOUQ?oc=5) |

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*Canonical Source: https://pulse.byoviral.com/trend/2026-10-26/brotli-decoder-flaw-behind-node-js-rce-also-affects-bun-python-and-other-widely*