CVE-2026-48356
Adobe Commerce and Magento Unrestricted Upload of File with Dangerous Type Vulnerability
Exploited in the wild
This vulnerability is on the CISA Known Exploited Vulnerabilities list, added 2026-10-27. Federal due date: 2026-11-10.
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.
Impact
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.
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Adobe | Commerce | Versions 2.4.4, 2.4.5, 2.4.6, 2.4.7, 2.4.8, 2.4.9 |
| Adobe | Commerce B2b | Versions 1.3.3, 1.3.4, 1.4.2, 1.5.2, 1.5.3 |
| Adobe | Magento | Versions 2.4.6, 2.4.7, 2.4.8, 2.4.9 |
| Adobe | I\/O Events | from 1.6.0 before 1.21.0 |
Weakness classification
References
- NVD record
- CVE.org record
- CISA KEV catalog
- https://helpx.adobe.com/security/products/magento/apsb26-73.html
- https://sansec.io/research/magento-cms-block-loader-deepveindrilling#indicators-of-compromise
- https://sansec.io/research/polyshell-mass-attack-wave
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-48356