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CVE-2026-48356

CriticalPublished

Adobe Commerce | Unrestricted Upload of File with Dangerous Type (CWE-434)

Published: Jul 14, 2026
Updated: Aug 27, 2026
Assigning CNA: adobe
Evidence observed: Sep 28, 2026

Primary CVSS

9.3/ 10Critical

nvd · CVSS 3.1

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:N

EPSS probability estimate

1.0%

Low · next 30 days

Percentile: 60.8%
Model date: Sep 21, 2026

EPSS is a statistical estimate, not a certainty or a measure of impact. Combine it with CVSS, KEV status, exposure and your environment.

Summary

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

CVE-2026-48356PoC
Proof-of-concept and lab pack for CVE-2026-48356, an unauthenticated unrestricted file upload in Magento Open Source guest-cart REST custom options.

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