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Security2026-07-09 · source-backed
A disclosed vulnerability chain reportedly bypasses Cowork's isolation, letting an attacker with local code execution reach root inside its Linux sandbox. Single-source from a security roundup, so treat it as unconfirmed pending a primary advisory. The durable lesson stands regardless: an agent sandbox is a speed bump, not a wall. Don't run genuinely untrusted code and assume the isolation layer will save you.
Each link below shares sources, entities, or timing with this story.
Anthropic supports Claude Cowork / Shared entity: Cowork / Shared topic / Earlier coverage
Linked by a graph relationship (Anthropic supports Claude Cowork); both cover Cowork; overlapping topics (agent, claude, cowork, execution, sandbox).
Anthropic supports Claude Cowork / Shared entity: Cowork / Shared topic / What happened next
Linked by a graph relationship (Anthropic supports Claude Cowork); both cover Cowork; overlapping topics (agent, claude, code, cowork).
Anthropic supports Claude Cowork / Shared entity: Cowork / Shared topic / Earlier coverage / Tension
Linked by a graph relationship (Anthropic supports Claude Cowork); both cover Cowork; overlapping topics (claude, code, cowork).
Anthropic supports Claude Cowork / Shared entity: Cowork / Shared topic / Earlier coverage
Linked by a graph relationship (Anthropic supports Claude Cowork); both cover Cowork; overlapping topics (agent, claude, code, cowork).
Linked by a graph relationship (Anthropic supports Claude Cowork); both cover Cowork; overlapping topics (agent, claude, code, cowork).
Anthropic supports Claude Cowork / Shared entity: Linux / Shared topic / What happened next
Linked by a graph relationship (Anthropic supports Claude Cowork); both cover Linux; overlapping topics (agent, claude, code).
Anthropic supports Claude Cowork / Shared entity: Cowork / Shared topic / What happened next
Linked by a graph relationship (Anthropic supports Claude Cowork); both cover Cowork; overlapping topics (claude, code, cowork).
Anthropic supports Claude Cowork / Shared entity: Claude Cowork / Shared topic / What happened next
Linked by a graph relationship (Anthropic supports Claude Cowork); both cover Claude Cowork; overlapping topics (claude, code, cowork).