Cloudanix VulnDB

CVE-2025-66479

None

CVSS

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EPSS

0.2%

Published

Dec 4, 2025

CISA due date

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The record

Anthropic Sandbox Runtime is a lightweight sandboxing tool for enforcing filesystem and network restrictions on arbitrary processes at the OS level, without requiring a container. Prior to 0.0.16, due to a bug in sandboxing logic, sandbox-runtime did not properly enforce a network sandbox if the sandbox policy did not configure any allowed domains. This could allow sandboxed code to make network requests outside of the sandbox. A patch for this was released in v0.0.16.

Affected packages

Ecosystem Package Introduced Fixed
npm @anthropic-ai/sandbox-runtime 0 0.0.16

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