Improper Encoding or Escaping of Output Affecting composer/composer package, versions >=2.0.0, <2.2.26>=2.3.0, <2.9.3
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-PHP-COMPOSERCOMPOSER-14742497
- published1 Jan 2026
- disclosed30 Dec 2025
- creditChris Smith
Introduced: 30 Dec 2025
CVE-2025-67746 (opens in a new tab)How to fix?
Upgrade composer/composer to version 2.2.26, 2.9.3 or higher.
Overview
composer/composer is a Dependency Manager for PHP. Composer helps you declare, manage and install dependencies of PHP projects. It ensures you have the right stack everywhere.
Affected versions of this package are vulnerable to Improper Encoding or Escaping of Output for certain ConsoleIO commands. An attacker in control of a remote source that the victim uses can inject ANSI control characters to mangle or confuse output.