CVE-2026-21282 — MEDIUM (5.3)

Q: How severe is CVE-2026-21282?

CVE-2026-21282 has been rated MEDIUM with a CVSS base score of 5.3/10. Review the CVSS metrics above for detailed severity breakdown.

Q: Is there a patch for CVE-2026-21282?

Check the references section above for vendor advisories and patch information. Affected products include: Adobe Commerce, Adobe Commerce B2B, Adobe Magento.

Vulnerability 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.

CVSS Score

5.3

MEDIUM

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

NONE

Integrity

NONE

Availability

LOW

Affected Products

Vendor	Product	Versions
Adobe	Commerce	< 2.4.4
Adobe	Commerce B2B	< 1.3.3
Adobe	Magento	< 2.4.5

Related Weaknesses (CWE)

CWE-20

References

https://helpx.adobe.com/security/products/magento/apsb26-05.htmlVendor Advisory

FAQ

What is CVE-2026-21282?

CVE-2026-21282 is a vulnerability with a CVSS score of 5.3 (MEDIUM). 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-o...

How severe is CVE-2026-21282?

CVE-2026-21282 has been rated MEDIUM with a CVSS base score of 5.3/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-21282?

Check the references section above for vendor advisories and patch information. Affected products include: Adobe Commerce, Adobe Commerce B2B, Adobe Magento.