Authorization Bypass Through User-Controlled Key Affecting craftcms/commerce package, versions >=4.0.0-beta.1, <4.11.0>=5.0.0, <5.6.0
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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- published11 Mar 2026
- disclosed10 Mar 2026
- creditrlarabee, Raj Chowdhury
Introduced: 10 Mar 2026
CVE-2026-31867 (opens in a new tab)How to fix?
Upgrade craftcms/commerce to version 4.11.0, 5.6.0 or higher.
Overview
craftcms/commerce is a Craft Commerce
Affected versions of this package are vulnerable to Authorization Bypass Through User-Controlled Key through the number parameter in the cart loading process. An attacker can gain unauthorized access to and modify another user's shopping cart by supplying a known or guessed 32-character cart number.