Command Injection Affecting knplabs/knp-snappy package, versions <1.7.1
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-PHP-KNPLABSKNPSNAPPY-16875112
- published26 May 2026
- disclosed21 May 2026
- creditUnknown
Introduced: 21 May 2026
CVE-2026-46643 (opens in a new tab)How to fix?
Upgrade knplabs/knp-snappy to version 1.7.1 or higher.
Overview
Affected versions of this package are vulnerable to Command Injection via the constructor when the binary path is sourced from user-influenced configuration, environment variables derived from request data, or concatenated with user-controlled fragments. An attacker can execute arbitrary commands as the PHP process by supplying a crafted binary path value.
Workaround
This vulnerability can be mitigated by verifying that the binary path is executable using is_executable($path) before passing it to the constructor.