Arbitrary Code Injection Affecting claude-code-cache-fix package, versions >=3.5.0 <3.5.2
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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Start learning- Snyk IDSNYK-JS-CLAUDECODECACHEFIX-16691313
- published14 May 2026
- disclosed13 May 2026
- creditschuay
Introduced: 13 May 2026
NewCVE-2026-45136 (opens in a new tab)How to fix?
Upgrade claude-code-cache-fix to version 3.5.2 or higher.
Overview
claude-code-cache-fix is a Cache optimization proxy and interceptor for Claude Code. Fixes prompt cache bugs, stabilizes prefix, reduces quota burn.
Affected versions of this package are vulnerable to Arbitrary Code Injection via the tools/quota-statusline.sh process. An attacker can execute arbitrary Python code in the user's process by introducing a specially crafted directory name containing a Python triple-quote sequence, which is then reflected into a Python string literal and executed. This is only exploitable if the statusLine configuration is enabled and wired to tools/quota-statusline.sh as recommended in the affected versions.
Workaround
This vulnerability can be mitigated by disabling the statusline by removing the statusLine entry from the settings file, or by replacing tools/quota-statusline.sh with a script that does not pass stdin through python3 -c "..." (using a heredoc and environment variable is safe).