Anthropic evaluates GLM-5.3 autonomous cyberattack capability

Anthropic red team published an evaluation of Zhipu GLM-5.3, assessing that it has the ability to autonomously build end-to-end network exploits, and that its guardrails can be bypassed with simple techniques. On ExploitBench, GLM-5.3 successfully developed end-to-end exploits 50 times out of 410 attempts, while Claude Mythos Preview did so 56 times; on an internal Binary Exploitation benchmark of 100 tasks, GLM-5.3 achieved full control-flow hijacking in 4% of cases.

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• 网页The DecoderSep 30 19:05
  Anthropic says Zhipu's open-weight GLM-5.3 nearly matches Claude Mythos Preview at building exploits(opens the original post in a new tab)
• RedditReddit r/AnthropicSep 30 03:57
  GLM-5.3 and the spread of advanced cyber capabilities(opens the original post in a new tab)

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