Arbitrary file upload in Adobe Commerce
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.
Vulnerability class: Unrestricted File Upload
Published · last modified .
CVSS v3 metric
CVSS v3 base score 9.3 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:N.
EPSS exploit prediction
EPSS: 0.010 (62.2th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 62nd percentile — 62.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.010 · newest: 0.010 · change: 0.000
Affected products
- Adobe Commerce — versions 0, 2.4.9-2026-jul, 2.4.8-2026-jul, 2.4.7-2026-jul, 2.4.6-2026-jul, 2.4.5-2026-jul, 2.4.4-2026-jul
- Adobe Commerce B2b — versions 0, 1.5.3-2026-jul, 1.5.2-2026-jul, 1.4.2-2026-jul, 1.3.4-2026-jul, 1.3.3-2026-jul
- Adobe Commerce Events
- Adobe Commerce Webhooks Plugin — versions 0, 1.21.0
- Adobe Commerce — versions 2.4.4, 2.4.5, 2.4.6
- Adobe Commerce B2b — versions 1.3.3, 1.3.4, 1.4.2
- Adobe I\/o Events
- Adobe Magento — versions 2.4.6, 2.4.7, 2.4.8
- Adobe Magento Open Source — versions 0, 2.4.9-2026-jul, 2.4.8-2026-jul, 2.4.7-2026-jul, 2.4.6-2026-jul
Weakness classification (CWE)
Public proof-of-concept exploits
References
- helpx.adobe.com/security/products/magento/apsb26-73.html (vendor-advisory, Vendor Advisory)
Frequently asked questions
- What is CVE-2026-48356?
- CVE-2026-48356 is a critical-severity vulnerability in Adobe Commerce, classified under Unrestricted Upload of File with Dangerous Type. CVSS score: 9.3/10. Published 2026-07-14.
- How severe is CVE-2026-48356?
- Critical severity. CVSS v3 base score is 9.3 out of 10.
- Is CVE-2026-48356 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.