Open source

Every day we read hundreds of stories. Only the most important ones are here — short, in our own words, with a link to the original source.

1. Cybersecurity · Artificial intelligence · New AI models · Open source

   Open model GLM 5.3 builds Firefox exploits on its own

   Epoch AI says the widely available GLM 5.3 model turned public security fixes into working exploits before updates reached Firefox users. It autonomously compromised six Firefox releases for about $1,000 in API fees each, without triggering safeguards from any provider tested.

   Full story at The Decoder ↗
2. Cybersecurity · Programming & dev tools · Open source

   Node.js patches serious Brotli decoder flaw

   On October 21, 2026, the Node.js project released updates fixing CVE-2026-111497, an out-of-bounds write in the Brotli decoder. Any application decompressing attacker-controlled data with a vulnerable Brotli library could be at risk; Google scored it 9.2 under CVSS v4.0.

   Full story at sentinelone.com ↗
3. Artificial intelligence · New AI models · Open source

   Mistral releases open weights for Large 4

   Mistral Large 4 comes with open weights and gains in coding and cyber. Self-hosting is possible, while model services need separate license terms.

   Full story at TestingCatalog AI News ↗
4. Software & updates · Data & databases · Open source

   Apache Kafka 4.4.0 has been released

   The Apache Software Foundation announced the release of Apache Kafka 4.4.0. It contains many new features and improvements.

   Full story at confluent.io ↗

An AI writes the short texts from the source's stories.