Cloudflare fixes cross-customer data exposure in GLM 5.3 on Workers AI
Cloudflare says 155 GLM 5.3 responses exposed data from other customers' requests between August 27 and September 9, 2026.
Product
GLM-5.3
3 stories · Updated
Timeline
October 2026
September 2026
Anthropic Says Zhipu Model GLM-5.3 Nears Claude Mythos Preview in Exploit Building
Anthropic's analysis shows Zhipu's open-weight GLM-5.3 model nearly matches Claude Mythos Preview in building cyber exploits while lacking effective safeguards.
August 2026
Chinese Firm Z.ai Releases Powerful Open-Weight AI Model With Advanced Cybersecurity Skills
Chinese company Z.ai has released GLM 5.3, a powerful open-weight AI model capable of automating advanced coding and cybersecurity tasks.
