CVE-2026-48356
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.
- Score
- CVSS 3.1 9.3 Critical
- Status
- Analyzed - psirt@adobe.com
- Published
- 2026-07-14
- Last modified
- 2026-10-28
- Known exploited (CISA KEV)
- since 2026-10-27, action due 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.
- Weaknesses
- CWE-434
Affected products
- Adobe Commerce (Adobe)
- Adobe Commerce B2b (Adobe)
- Adobe Commerce Events (Adobe)
- Commerce (Adobe)
- Commerce B2b (Adobe)
- I/o Events (Adobe)
- Magento (Adobe)
- Magento Open Source (Adobe)
References
- 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