Command Injection Affecting @anthropic-ai/claude-code package, versions <1.0.4
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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- published20 Aug 2025
- disclosed18 Aug 2025
- creditwunderwuzzi23
Introduced: 18 Aug 2025
NewCVE-2025-55284 (opens in a new tab)How to fix?
Upgrade @anthropic-ai/claude-code to version 1.0.4 or higher.
Overview
@anthropic-ai/claude-code is an Use Claude, Anthropic's AI assistant, right from your terminal. Claude can understand your codebase, edit files, run terminal commands, and handle entire workflows for you.
Affected versions of this package are vulnerable to Command Injection via an overly broad allowlist. An attacker can access unauthorized files and exfiltrate their contents over the network by injecting untrusted content into the context window, without user confirmation.