CRITICAL · CVSS 9.3
ACTIVELY EXPLOITED
CVE-2026-48356: Adobe Commerce and Magento Unrestricted Upload of File with Dangerous Type Vulnerability
| Vendor | Adobe |
|---|---|
| Product | Commerce and Magento |
| CVSS score | 9.3 · CVSS 3.1 · CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:N |
| EPSS | 47.5% (percentile 99) |
| Actively exploited | Yes |
| Added to CISA KEV | 27 Oct 2026 |
| CISA federal deadline | 10 Nov 2026 |
| Weakness (CWE) | CWE-434 |
| NVD published | 14 Jul 2026 |
| NVD last modified | 28 Oct 2026 |
| NVD status | Analyzed |
Affected versions
| Product | Affected versions | Fixed in |
|---|---|---|
| Adobe Commerce | 2.4.4 | – |
| Adobe Commerce | 2.4.4 | – |
| Adobe Commerce | 2.4.4 | – |
| Adobe Commerce | 2.4.4 | – |
| Adobe Commerce | 2.4.4 | – |
| Adobe Commerce | 2.4.4 | – |
| Adobe Commerce | 2.4.4 | – |
| Adobe Commerce | 2.4.4 | – |
| Adobe Commerce | 2.4.4 | – |
| Adobe Commerce | 2.4.4 | – |
| Adobe Commerce | 2.4.4 | – |
| Adobe Commerce | 2.4.4 | – |
| Adobe Commerce | 2.4.4 | – |
| Adobe Commerce | 2.4.4 | – |
| Adobe Commerce | 2.4.4 | – |
| Adobe Commerce | 2.4.4 | – |
| Adobe Commerce | 2.4.4 | – |
| Adobe Commerce | 2.4.4 | – |
| Adobe Commerce | 2.4.4 | – |
| Adobe Commerce | 2.4.5 | – |
+30 more
Required action (CISA's text)
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.
Description (NVD)
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.
SOURCES
Other Adobe flaws
- CVE-2026-71362: Adobe Commerce and Magento Incorrect Authorization Vulnerability
- CVE-2026-75650: Adobe Commerce and Magento Improper Neutralization of Special Elements Used in a Template Engine Vulnerability
- CVE-2026-48282: Adobe ColdFusion Path Traversal Vulnerability
- CVE-2009-3459: Adobe Acrobat and Reader Heap-Based Buffer Overflow Vulnerability
- CVE-2026-34621: Adobe Acrobat and Reader Prototype Pollution Vulnerability
Data from NVD, CISA KEV, FIRST EPSS and vendor advisories. Updated 28 Oct 2026.