CVE-2026-21282
MEDIUMCVSS Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
Lifecycle Timeline
2Tags
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.
Analysis
Denial-of-service attacks against Adobe Commerce and Magento B2B versions 2.4.4 through 2.4.9-alpha3 are possible through improper input validation that fails to sanitize malicious payloads. An unauthenticated remote attacker can trigger application unavailability by sending specially crafted requests without requiring user interaction. …
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Remediation
Within 30 days: Identify affected systems and apply vendor patches as part of regular patch cycle. Monitor vendor channels for patch availability.
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External POC / Exploit Code
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