Command Injection Affecting @anthropic-ai/claude-code package, versions <2.0.31
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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Test your applications- Snyk IDSNYK-JS-ANTHROPICAICLAUDECODE-14089789
- published21 Nov 2025
- disclosed20 Nov 2025
- creditAdam Chester
Introduced: 20 Nov 2025
NewCVE-2025-64755 (opens in a new tab)How to fix?
Upgrade @anthropic-ai/claude-code to version 2.0.31 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 due to improper validation in the sed command parsing process. An attacker can write to arbitrary files on the host system by bypassing read-only restrictions.