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5.3
Adobe Commerce versions 2.4.9-alpha3 and earlier may crash due to bad input
CVE-2026-21282
Summary
Adobe Commerce versions 2.4.9-alpha3 and earlier have a security flaw that could cause the website to crash if a hacker sends it bad data. This could make the site unavailable to customers. To stay secure, update to the latest version of Adobe Commerce.
What to do
No fix is available yet. Check with your software vendor for updates.
Affected software
| Vendor | Product | Affected versions | Fix available |
|---|---|---|---|
| adobe | commerce | 2.4.4 | – |
| adobe | commerce | 2.4.4 | – |
| adobe | commerce | 2.4.4 | – |
| adobe | commerce | 2.4.4 | – |
| adobe | commerce | 2.4.4 | – |
| adobe | commerce | 2.4.4 | – |
| adobe | commerce | 2.4.4 | – |
| adobe | commerce | 2.4.4 | – |
| adobe | commerce | 2.4.4 | – |
| adobe | commerce | 2.4.4 | – |
| adobe | commerce | 2.4.4 | – |
| adobe | commerce | 2.4.4 | – |
| adobe | commerce | 2.4.4 | – |
| adobe | commerce | 2.4.4 | – |
| adobe | commerce | 2.4.4 | – |
| adobe | commerce | 2.4.4 | – |
| adobe | commerce | 2.4.4 | – |
| adobe | commerce | 2.4.5 | – |
| adobe | commerce | 2.4.5 | – |
| adobe | commerce | 2.4.5 | – |
| adobe | commerce | 2.4.5 | – |
| adobe | commerce | 2.4.5 | – |
| adobe | commerce | 2.4.5 | – |
| adobe | commerce | 2.4.5 | – |
| adobe | commerce | 2.4.5 | – |
| adobe | commerce | 2.4.5 | – |
| adobe | commerce | 2.4.5 | – |
| adobe | commerce | 2.4.5 | – |
| adobe | commerce | 2.4.5 | – |
| adobe | commerce | 2.4.5 | – |
| adobe | commerce | 2.4.5 | – |
| adobe | commerce | 2.4.5 | – |
| adobe | commerce | 2.4.5 | – |
| adobe | commerce | 2.4.6 | – |
| adobe | commerce | 2.4.6 | – |
| adobe | commerce | 2.4.6 | – |
| adobe | commerce | 2.4.6 | – |
| adobe | commerce | 2.4.6 | – |
| adobe | commerce | 2.4.6 | – |
| adobe | commerce | 2.4.6 | – |
| adobe | commerce | 2.4.6 | – |
| adobe | commerce | 2.4.6 | – |
| adobe | commerce | 2.4.6 | – |
| adobe | commerce | 2.4.6 | – |
| adobe | commerce | 2.4.6 | – |
| adobe | commerce | 2.4.6 | – |
| adobe | commerce | 2.4.6 | – |
| adobe | commerce | 2.4.7 | – |
| adobe | commerce | 2.4.7 | – |
| adobe | commerce | 2.4.7 | – |
| adobe | commerce | 2.4.7 | – |
| adobe | commerce | 2.4.7 | – |
| adobe | commerce | 2.4.7 | – |
| adobe | commerce | 2.4.7 | – |
| adobe | commerce | 2.4.7 | – |
| adobe | commerce | 2.4.7 | – |
| adobe | commerce | 2.4.7 | – |
| adobe | commerce | 2.4.7 | – |
| adobe | commerce | 2.4.7 | – |
| adobe | commerce | 2.4.8 | – |
| adobe | commerce | 2.4.8 | – |
| adobe | commerce | 2.4.8 | – |
| adobe | commerce | 2.4.8 | – |
| adobe | commerce | 2.4.8 | – |
| adobe | commerce | 2.4.8 | – |
| adobe | commerce | 2.4.9 | – |
| adobe | commerce | 2.4.9 | – |
| adobe | commerce | 2.4.9 | – |
| adobe | commerce_b2b | 1.3.3 | – |
| adobe | commerce_b2b | 1.3.3 | – |
| adobe | commerce_b2b | 1.3.3 | – |
| adobe | commerce_b2b | 1.3.3 | – |
| adobe | commerce_b2b | 1.3.3 | – |
| adobe | commerce_b2b | 1.3.3 | – |
| adobe | commerce_b2b | 1.3.3 | – |
| adobe | commerce_b2b | 1.3.3 | – |
| adobe | commerce_b2b | 1.3.3 | – |
| adobe | commerce_b2b | 1.3.3 | – |
| adobe | commerce_b2b | 1.3.3 | – |
| adobe | commerce_b2b | 1.3.3 | – |
| adobe | commerce_b2b | 1.3.3 | – |
| adobe | commerce_b2b | 1.3.3 | – |
| adobe | commerce_b2b | 1.3.3 | – |
| adobe | commerce_b2b | 1.3.3 | – |
| adobe | commerce_b2b | 1.3.3 | – |
| adobe | commerce_b2b | 1.3.4 | – |
| adobe | commerce_b2b | 1.3.4 | – |
| adobe | commerce_b2b | 1.3.4 | – |
| adobe | commerce_b2b | 1.3.4 | – |
| adobe | commerce_b2b | 1.3.4 | – |
| adobe | commerce_b2b | 1.3.4 | – |
| adobe | commerce_b2b | 1.3.4 | – |
| adobe | commerce_b2b | 1.3.4 | – |
| adobe | commerce_b2b | 1.3.4 | – |
| adobe | commerce_b2b | 1.3.4 | – |
| adobe | commerce_b2b | 1.3.4 | – |
| adobe | commerce_b2b | 1.3.4 | – |
| adobe | commerce_b2b | 1.3.4 | – |
| adobe | commerce_b2b | 1.3.4 | – |
| adobe | commerce_b2b | 1.3.4 | – |
| adobe | commerce_b2b | 1.3.4 | – |
| adobe | commerce_b2b | 1.3.5 | – |
| adobe | commerce_b2b | 1.3.5 | – |
| adobe | commerce_b2b | 1.3.5 | – |
| adobe | commerce_b2b | 1.3.5 | – |
| adobe | commerce_b2b | 1.3.5 | – |
| adobe | commerce_b2b | 1.3.5 | – |
| adobe | commerce_b2b | 1.3.5 | – |
| adobe | commerce_b2b | 1.3.5 | – |
| adobe | commerce_b2b | 1.3.5 | – |
| adobe | commerce_b2b | 1.3.5 | – |
| adobe | commerce_b2b | 1.3.5 | – |
| adobe | commerce_b2b | 1.3.5 | – |
| adobe | commerce_b2b | 1.3.5 | – |
| adobe | commerce_b2b | 1.3.5 | – |
| adobe | commerce_b2b | 1.4.2 | – |
| adobe | commerce_b2b | 1.4.2 | – |
| adobe | commerce_b2b | 1.4.2 | – |
| adobe | commerce_b2b | 1.4.2 | – |
| adobe | commerce_b2b | 1.4.2 | – |
| adobe | commerce_b2b | 1.4.2 | – |
| adobe | commerce_b2b | 1.4.2 | – |
| adobe | commerce_b2b | 1.4.2 | – |
| adobe | commerce_b2b | 1.4.2 | – |
| adobe | commerce_b2b | 1.5.2 | – |
| adobe | commerce_b2b | 1.5.2 | – |
| adobe | commerce_b2b | 1.5.2 | – |
| adobe | commerce_b2b | 1.5.2 | – |
| adobe | commerce_b2b | 1.5.3 | – |
| adobe | commerce_b2b | 1.5.3 | – |
| adobe | commerce_b2b | 1.5.3 | – |
| adobe | magento | 2.4.5 | – |
| adobe | magento | 2.4.5 | – |
| adobe | magento | 2.4.5 | – |
| adobe | magento | 2.4.5 | – |
| adobe | magento | 2.4.5 | – |
| adobe | magento | 2.4.5 | – |
| adobe | magento | 2.4.5 | – |
| adobe | magento | 2.4.5 | – |
| adobe | magento | 2.4.5 | – |
| adobe | magento | 2.4.5 | – |
| adobe | magento | 2.4.5 | – |
| adobe | magento | 2.4.5 | – |
| adobe | magento | 2.4.5 | – |
| adobe | magento | 2.4.5 | – |
| adobe | magento | 2.4.5 | – |
| adobe | magento | 2.4.5 | – |
| adobe | magento | 2.4.6 | – |
| adobe | magento | 2.4.6 | – |
| adobe | magento | 2.4.6 | – |
| adobe | magento | 2.4.6 | – |
| adobe | magento | 2.4.6 | – |
| adobe | magento | 2.4.6 | – |
| adobe | magento | 2.4.6 | – |
| adobe | magento | 2.4.6 | – |
| adobe | magento | 2.4.6 | – |
| adobe | magento | 2.4.6 | – |
| adobe | magento | 2.4.6 | – |
| adobe | magento | 2.4.6 | – |
| adobe | magento | 2.4.6 | – |
| adobe | magento | 2.4.6 | – |
| adobe | magento | 2.4.7 | – |
| adobe | magento | 2.4.7 | – |
| adobe | magento | 2.4.7 | – |
| adobe | magento | 2.4.7 | – |
| adobe | magento | 2.4.7 | – |
| adobe | magento | 2.4.7 | – |
| adobe | magento | 2.4.7 | – |
| adobe | magento | 2.4.7 | – |
| adobe | magento | 2.4.7 | – |
| adobe | magento | 2.4.7 | – |
| adobe | magento | 2.4.7 | – |
| adobe | magento | 2.4.7 | – |
| adobe | magento | 2.4.8 | – |
| adobe | magento | 2.4.8 | – |
| adobe | magento | 2.4.8 | – |
| adobe | magento | 2.4.8 | – |
| adobe | magento | 2.4.8 | – |
| adobe | magento | 2.4.8 | – |
| adobe | magento | 2.4.9 | – |
| adobe | commerce | <= 2.4.4 | – |
| adobe | commerce_b2b | <= 1.3.3 | – |
| adobe | magento | <= 2.4.5 | – |
Original title
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 denia...
Original 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.
nvd CVSS3.1
5.3
Vulnerability type
CWE-20
Improper Input Validation
Published: 11 Mar 2026 · Updated: 13 Mar 2026 · First seen: 11 Mar 2026