CVE-2026-48356

Adobe Commerce | Unrestricted Upload of File with Dangerous Type (CWE-434)

CRITICAL 9.3 CVSS 3.1Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:NPublished: 2026-07-14 19:44 UTCUpdated: 2026-10-28 03:55 UTCAssigner: adobe

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.

CWE

Affected

Adobe Adobe Commerce; Adobe Adobe Commerce B2B; Adobe Magento Open Source; Adobe Adobe Commerce Events

References

Actively exploited — CISA KEV

Known exploited (CISA KEV) · added 2026-10-27

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

Vendor / Product: Adobe / Commerce and Magento

Date added: Oct 27, 2026

CISA remediation due: Nov 10, 2026

Known ransomware campaign use: Unknown

Adobe Commerce and Magento contain 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.

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 KEV catalog

CISA advisories and alerts mentioning this CVE