UNIX Symbolic Link (Symlink) Following Affecting @anthropic-ai/claude-code package, versions <1.0.120
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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- published6 Oct 2025
- disclosed3 Oct 2025
- creditVinay
Introduced: 3 Oct 2025
CVE-2025-59829 (opens in a new tab)How to fix?
Upgrade @anthropic-ai/claude-code to version 1.0.120 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 UNIX Symbolic Link (Symlink) Following via the permission checking process. An attacker can gain unauthorized access to files by exploiting symlinks that bypass explicit deny rules.