CVE-2026-48356

CriticalActively exploited (CISA KEV)

Description

Adobe Commerce is affected by an Unrestricted Upload of File with Dangerous Type vulnerability that could result in arbitrary code execution in the context of the current user, potentially gaining elevated access or control over the victim's account or session. Exploitation of this issue requires user interaction in that a victim must visit a maliciously crafted URL or interact with a compromised web page. Scope is changed.

SeverityCritical
CVSS9.3
Exploit probability—
ProductAdobe Commerce and Magento
PublishedJul 14, 2026
First seenJul 14, 2026
Added to KEVOct 27, 2026

How to fix

CISA required action

Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or discontinue use of the product if mitigations are unavailable. Stakeholders are responsible for evaluating each asset's internet exposure and ensuring adherence to BOD 26-04 patching guidelines.

CISA due date: Nov 10, 2026
Update
  • adobe i\/o_events1.21.0 or later

Affected products

ProductAffected versionsFixed in
adobe commerce2.4.4, 2.4.5, 2.4.6, 2.4.7, 2.4.8, 2.4.9—
adobe commerce_b2b1.3.3, 1.3.4, 1.4.2, 1.5.2, 1.5.3—
adobe magento2.4.6, 2.4.7, 2.4.8, 2.4.9—
adobe i\/o_events1.6.0 ≤ v < 1.21.01.21.0

Check your version

Choose the product and enter the version you run to see whether it falls in the affected range.

In the Intelligence 360 plan

Attack Surface Management

See the assets tied to your domains, the technologies they run and known vulnerabilities in one list.