GLM-5.3 is here with advanced cyber capabilities — and reportedly… | HappeningNow.news

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GLM-5.3 is here with advanced cyber capabilities — and reportedly already found a 'serious vulnerability' in Cursor

Chinese AI startup Z.ai, known internationally for its growing lineup of powerful, largely open source GLM series of language models, today released GLM-5.3 with substantial gains in long-horizon coding and a more consequential — and…

Source AI Summary Published August 14, 2026 Brief Under 1 min brief
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Z.ai, a Chinese AI startup, launched GLM‑5.3, noting marked improvements in long‑horizon coding and a significant boost in cybersecurity abilities. The model’s cyber tools have reportedly identified a “potentially serious vulnerability” in Cursor, the AI‑coding platform recently acquired by SpaceX.

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