CVE-2026-48356
Published 2026-07-14 · Updated 2026-10-28 · Source psirt@adobe.com
Summary
CVE-2026-48356 is a critical-severity (CVSS 9.3) vulnerability in Adobe Commerce and Magento. CISA added it to the Known Exploited Vulnerabilities catalog on October 27, 2026, which means exploitation in the wild has been confirmed; US federal agencies must remediate it by November 10, 2026. CISA does not currently list it as used in ransomware campaigns. Adobe has 83 vulnerabilities in the KEV catalog, 11 of them linked to ransomware.
All 83 known-exploited Adobe vulnerabilities →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.
CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:N
CISA Known-Exploited Vulnerability
Product: Adobe — Commerce and Magento
Name: Adobe Commerce and Magento Unrestricted Upload of File with Dangerous Type Vulnerability
Date added: 2026-10-27 · Due: 2026-11-10
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.

