It's not just OpenAI models escaping and running riot — experts show how Claude Cowork can break its bonds and access Mac files

https://www.techradar.com/author/sead-fadilpai· Jul 26, 2026 · 1:10 PM UTC ·9 min read · 0 reactions · 0 comments · 19 views

#just #openai #models #escaping #running

TL;DR · WeSearch summary

Pro Security It's not just OpenAI models escaping and running riot — experts show how Claude Cowork can break its bonds and access Mac files News By Sead Fadilpašić Published 26 July 2026 Anthropic partially mitigated the issue When you purchase through links on our site, we may earn an affiliate commission. To break out of the sandbox, the agent exploited CVE-2026-46331 ("pedit COW"), a Linux kernel privilege-escalation vulnerability. This flaw, fixed in mid-June this year, was given a severity score of 7.8/10 (high).Accomplish AI disclosed these findings with Anthropic, which allegedly acknowledged them but did not issue a direct fix.

Key facts

▪Pro Security It's not just OpenAI models escaping and running riot — experts show how Claude Cowork can break its bonds and access Mac files News By Sead Fadilpašić Published 26 July 2026 Anthropic partially mitigated the issue When you pur
▪To break out of the sandbox, the agent exploited CVE-2026-46331 ("pedit COW"), a Linux kernel privilege-escalation vulnerability.
▪This flaw, fixed in mid-June this year, was given a severity score of 7.8/10 (high).Accomplish AI disclosed these findings with Anthropic, which allegedly acknowledged them but did not issue a direct fix.

How this story was covered

3 outlets in our directory ran this story, first to last over 23 hours. All of the coverage we found sits in one bucket: centre. That one-sidedness is itself worth noticing.

Centre · 2

▪ Claude Cowork escaped sandbox on Mac, gain full access to all files — 9to5Mac
▪ It's not just OpenAI models escaping and running riot — experts show how Claude Cowork can break its bonds and access Mac files - TechRadar — Google News

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TechRadar · https://www.techradar.com/author/sead-fadilpai

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Original publisher	TechRadar
Canonical URL	https://www.techradar.com/pro/security/its-not-just-openai-models-escaping-and-running-riot-experts-show-how-claude-cowork-can-break-its-bonds-and-access-mac-files
Publication time	Sun, 26 Jul 2026 13:10:00 +0000
Retrieval time	2026-07-26T13:13:04.997Z
Last seen	2026-07-26T13:13:04.997Z
Headline source	Publisher (no WeSearch rewrite)
Excerpt source	publisher body
Excerpt method	First ~120 words (~800 chars) of extracted publisher body, fair-use limited.
Summary	WeSearch · cerebras-chat (WeSearch summarizer)
Summary source text	contentText
Citation coverage	Summary is a WeSearch-generated derivative; primary citation is the original publisher URL.
Cluster	F804cAfbvKl6 · 3 stories
Cluster logic	Grouped by semantic title/content similarity across sources within a rolling window. Same-publisher template collisions are excluded from coverage comparison.
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Publisher visit	Yes — open original
Substitutes article?	No — link-out required for full text

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Unknown

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Indexing	May the item be indexed (stored, ranked, made findable)?	Allowed
Snippet	May a short excerpt of the publisher's text be shown?	Allowed
AI summary	May WeSearch generate its own short summary of the article?	Limited
Retrieval / RAG	May the content be exposed for third-party retrieval-augmented generation?	Not asserted
Model training	May the content be used to train AI models?	Not asserted
Commercial reuse	May the content be reused commercially?	Not permitted

Basis: Derived from the published RSS/Atom feed. Contact: [email protected]. Reviewed: 2026-07-24.

Open original publisher → Source rights JSON → Machine-readable provenance → Rights framework → WESEARCH-STORY-PROVENANCE-V1

Opening excerpt (first ~120 words) tap to expand

Pro Security It's not just OpenAI models escaping and running riot — experts show how Claude Cowork can break its bonds and access Mac files News By Sead Fadilpašić Published 26 July 2026 Anthropic partially mitigated the issue When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. (Image credit: Shutterstock/ gguy) Copy link Facebook X Whatsapp Reddit Pinterest Flipboard Threads Email Share this article 0 Join the conversation Follow us Add us as a preferred source on Google Newsletter Subscribe to our newsletter Accomplish AI showed Claude Cowork could escape a VM sandbox via Linux zero‑day CVE‑2026‑46331Agent accessed host Mac files, risking exfiltration of SSH keys, cloud credentials, and moreAnthropic shifted Cowork to default cloud…

Excerpt limited to ~120 words for fair-use compliance. The full article is at TechRadar.

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