Brute Force Affecting craftcms/commerce package, versions >=4.0.0, <4.11.2>=5.0.0, <5.6.5
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-CRAFTCMSCOMMERCE-17660442
- published27 Jun 2026
- disclosed19 Jun 2026
- creditUnknown
Introduced: 19 Jun 2026
CVE-2026-55795 (opens in a new tab)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.