CVE-2025-54794
Critical
Description
Claude Code is an agentic coding tool. In versions below 0.2.111, a path validation flaw using prefix matching instead of canonical path comparison, makes it possible to bypass directory restrictions and access files outside the CWD. Successful exploitation depends on the presence of (or ability to create) a directory with the same prefix as the CWD and the ability to add untrusted content into a Claude Code context window. This is fixed in version 0.2.111.
SeverityCritical
CVSS9.1
Exploit probability—
Product
Anthropic Claude Code
PublishedAug 5, 2025
First seenAug 5, 2025
Weakness typeCWE-22Path traversal
How to fix
Update
- anthropic claude_code0.2.111 or later
- @anthropic-ai/claude-code0.2.111 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| anthropic claude_code | v < 0.2.111 | 0.2.111 |
| @anthropic-ai/claude-codenpm | v < 0.2.111 | 0.2.111 |
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