Adobe Commerce and Magento Unrestricted Upload of File with Dangerous Type Vulnerability
This vulnerability is in the CISA Known Exploited Vulnerabilities catalog: attackers are using it. If you run Commerce and Magento, fix it now.
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.
US federal civilian agencies must remediate by Nov 10, 2026.
No official fix confirmed yet
Until a fix ships, follow the vendor's mitigations and CISA's required action, limit exposure of affected systems, and watch this record for a patch.
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.
Source: NIST National Vulnerability Database. Official vulnerability data, reproduced as published.
| Product | Vendor | Source |
|---|---|---|
| Commerce and Magento | Adobe | KEV |
Sources: KEV = CISA Known Exploited Vulnerabilities catalog. Version details have not been published yet.
Developments from the last 30 days, newest first.
CVE-2026-48356 scored CVSS 9.3: Adobe Commerce and Magento, Adobe Commerce and Magento Unrestricted Upload of File with Dangerous Type Vulnerability
CISA lists this as exploited in the wild. Unpatched Commerce and Magento systems are exposed to active attacks now.
Basis: NIST National Vulnerability Database
CVE-2026-48356 added to CISA KEV: Adobe Commerce and Magento, Adobe Commerce and Magento Unrestricted Upload of File with Dangerous Type Vulnerability
CISA lists this as exploited in the wild. Unpatched Commerce and Magento systems are exposed to active attacks now.
Basis: CISA Known Exploited Vulnerabilities catalog
CISA lists this as exploited in the wild. Unpatched Commerce and Magento and Brotli systems are exposed to active attacks now.
Treat this as an emergency.
