Brute Force Affecting craftcms/commerce package, versions >=4.0.0, <4.11.2>=5.0.0, <5.6.5
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Test your applications- Snyk IDSNYK-PHP-CRAFTCMSCOMMERCE-17660442
- published27 Jun 2026
- disclosed19 Jun 2026
- creditUnknown
Introduced: 19 Jun 2026
NewCVE-2026-55795 (opens in a new tab)Common Vulnerabilities and Exposures (CVE) are common identifiers for publicly known security vulnerabilities
Common Weakness Enumeration (CWE) is a category system for software weaknesses
How to fix?
Upgrade craftcms/commerce to version 4.11.2, 5.6.5 or higher.
Overview
craftcms/commerce is a Craft Commerce
Affected versions of this package are vulnerable to Brute Force in the actionUpdateCart process when the 'number' parameter is not provided, which disables rate limiting. An attacker can enumerate valid coupon codes by sending automated requests without restriction.