Vulnerability · Published Mar 11, 2026 · Assigned by adobe
CVE-2026-21282Adobe Commerce | Improper Input Validation (CWE-20)
Medium 5.3
In plain English
A medium-severity improper input validation in Adobe Commerce from Adobe. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.6% (higher than 49% of all known vulnerabilities).
Official description
Adobe Commerce versions 2.4.9-alpha3, 2.4.8-p3, 2.4.7-p8, 2.4.6-p13, 2.4.5-p15, 2.4.4-p16 and earlier are affected by an Improper Input Validation vulnerability that could lead to application denial-of-service. An attacker could exploit this vulnerability by providing specially crafted input, causing limited impact to application availability. Exploitation of this issue does not require user interaction.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Adobe | Adobe Commerce | 0 – through 2.4.9-alpha3, 2.4.8-p3, 2.4.7-p8, 2.4.6-p13, 2.4.5-p15, 2.4.4-p16 |
| Adobe | Adobe Commerce B2B | 0 – through 1.5.3-alpha3, 1.5.2-p3, 1.4.2-p8, 1.3.5-p13, 1.3.4-p15, 1.3.3-p16 |
| Adobe | Magento Open Source | 0 – through 2.4.9-alpha3, 2.4.8-p3, 2.4.7-p8, 2.4.6-p13, 2.4.5-p15 |
Weakness: CWE-20 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
References
- https://helpx.adobe.com/security/products/magento/apsb26-05.html vendor-advisory