ThreatRoundup

CVE-2026-48356: Adobe Commerce and Magento (Critical, CVSS 9.3)

CVE record · updated

CVE-2026-48356CriticalKEVPublic exploitAdobe Commerce and Magento
CVSS
9.3 Critical (v3.1)
EPSS
44.6% chance of exploitation in the next 30 days (higher than 98.7% of CVEs)
Exploited in the wild
Yes, on CISA’s KEV list since Oct 27, 2026
Public exploit
Yes, reported in 1 GitHub repository
Weakness
CWE-434
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:N
Published
Jul 14, 2026
CISA fix-by date
Nov 10, 2026 (for US federal agencies)

What it is

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.

Description from the National Vulnerability Database.

What to do

CISA: 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

Check whether you run Adobe Commerce and Magento, then apply the vendor’s fix or mitigation from the advisories below. Because this flaw is exploited or has public exploit code, treat it as urgent and check for signs of compromise, not just the patch level.

Advisories and fixes

ThreatRoundup coverage

Sources: NVD, FIRST EPSS, CISA KEV, and public exploit databases (availability only). ThreatRoundup reports whether public exploit code exists but never links to it: fake proof-of-concepts that infect security researchers are common. This page updates automatically.