CVE-2026-48356 Adobe Commerce and Magento Unrestricted Upload of File with Dangerous Type

Exploited in the wild Critical 9.3 Published 14 Jul 2026 Updated 28 Oct 2026

Attackers can upload malicious files to Adobe Commerce to execute arbitrary code and take over accounts, requiring user interaction.

Exploited in the wild: Since 27 Oct 2026
Login needed: Not needed
Attackable: Over the internet
Victim action needed: A user has to click or open something
Fix: None listed

What is CVE-2026-48356?

CVE-2026-48356 is a critical vulnerability in Adobe Commerce, published on 14 Jul 2026. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

Official description

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.

Weakness: CWE-434

Which versions are affected by CVE-2026-48356?

It affects 4 products.

Products include Adobe Commerce, Adobe Commerce B2b, Adobe I\/O Events, Adobe Magento.

How do I fix CVE-2026-48356?

No fix has been published for CVE-2026-48356 yet. Limit exposure of the affected software until one is available. US federal agencies must fix it by 10 Nov 2026.

Is CVE-2026-48356 being exploited?

Yes. Attackers have exploited CVE-2026-48356 in the wild since at least 27 Oct 2026.

Public exploit code: 1 proofs of concept on GitHub.

All Adobe Commerce vulnerabilities

Sources

Also known as GHSA-p3ch-8535-fp8j.