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[ARTICLE · art-133960] src=the-decoder.com ↗ pub= topic=ai-safety verified=true sentiment=↓ negative

Security researchers used Anthropic's Claude to hack OpenAI's internal systems in under 72 hours

Three security researchers used Anthropic's Claude models to break into OpenAI's internal systems through its community forum in less than 72 hours, according to The Decoder. The team said Claude Opus 5 succeeded where its predecessor could not in bypassing a common security measure, illustrating how newer AI models can cut the time and expertise needed to exploit security flaws.

by read1 min views1 publishedSep 18, 2026

Three security researchers used Anthropic's Claude models to break into OpenAI's internal systems through its community forum in less than 72 hours. According to the team, Opus 5 succeeded where its predecessor couldn't bypass a common security measure. The attack shows how newer AI models can cut the time and expertise needed to exploit security flaws.

The article Security researchers used Anthropic's Claude to hack OpenAI's internal systems in under 72 hours appeared first on The Decoder.

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