CVE-2026-48356

Critical

Adobe Commerce and Magento Unrestricted Upload of File with Dangerous Type Vulnerability

9.3 CVSS v3.1

Published: Jul 14, 2026
Updated: Oct 28, 2026
Vendor: Adobe
Affected versions: See affected products
Weakness: CWE-434

Summary

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.

Severity

Critical (9.3)

CVSS vector

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

Affected products

Adobe Commerce 2.4.4
Adobe Commerce 2.4.5
Adobe Commerce 2.4.6
Adobe Commerce 2.4.7
Adobe Commerce 2.4.8
Adobe Commerce 2.4.9
Adobe Commerce B2b 1.3.3
Adobe Commerce B2b 1.3.4
Adobe Commerce B2b 1.4.2
Adobe Commerce B2b 1.5.2
Adobe Commerce B2b 1.5.3
Adobe Magento 2.4.6

Show 4 more

Adobe Magento 2.4.7
Adobe Magento 2.4.8
Adobe Magento 2.4.9
Adobe I/o Events >= 1.6.0, < 1.21.0

Exploitation status

Actively exploited

Listed in the CISA Known Exploited Vulnerabilities catalog on Oct 27, 2026. Federal remediation due: Nov 10, 2026.

Technical details

Technical analysis has not been written for this record yet.

Mitigation & remediation

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.