CVE-2025-59041 Claude Code vulnerable to arbitrary code execution caused by maliciously configured git email
Attackers can execute arbitrary code via malicious git email configuration before user trust acceptance in Claude Code.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- Available
What is CVE-2025-59041?
CVE-2025-59041 is a high-severity code injection vulnerability in anthropics claude-code, published on 10 Sep 2025. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official description
Claude Code is an agentic coding tool. At startup, Claude Code executed a command templated in with `git config user.email`. Prior to version 1.0.105, a maliciously configured user email in git could be used to trigger arbitrary code execution before a user accepted the workspace trust dialog. Users on standard Claude Code auto-update will have received this fix automatically. Users performing manual updates are advised to update to version 1.0.105 or the latest version.
Weakness: CWE-94
Which versions are affected by CVE-2025-59041?
2 open source packages ship an affected version, including @anthropic-ai/claude-code. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
@anthropic-ai/claude-code npm | All versions | 1.0.105 |
@anthropic-ai/claude-code npm | All versions | 1.0.105 |
Products include Anthropic Claude Code.
How do I fix CVE-2025-59041?
Upgrade @anthropic-ai/claude-code to 1.0.105 or later.
Upgrade, and never evaluate templates, expressions or code built from user input. More about Code injection.
Is CVE-2025-59041 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-59041 exists.
Other vulnerabilities in anthropics claude-code
- CVE-2025-66032 Claude Code Command Validation Bypass Allows Arbitrary Code Execution
- CVE-2025-64755 @anthropic-ai/claude-code has Sed Command Validation Bypass that Allows Arbitrary File Writes
- CVE-2025-59536 Claude Code's startup trust dialog could lead to Command Execution attack
- CVE-2025-58764 Claude Code rg command had Command Injection that allowed bypass of user approval prompt for command execution
- CVE-2025-54795 Claude Code echo command allowed bypass of user approval prompt for command execution
Sources
Also known as GHSA-j4h9-wv2m-wrf7.