What is 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.
Timeline
- 2026-07-14Published to the U.S. National Vulnerability Database (NVD)
- 2026-10-27Added to the CISA Known Exploited Vulnerabilities (KEV) catalog
- 2026-10-28NVD record last updated
- 2026-11-10CISA federal remediation deadline (BOD 22-01)
CISA Known Exploited Vulnerability
Adobe Commerce and Magento Unrestricted Upload of File with Dangerous Type Vulnerability
Affected product
Adobe Commerce And Magento
NVD also lists CPE entries for: Adobe Commerce, Adobe Commerce B2b, Adobe Magento, Adobe I\/O Events
Remediation Steps
- Monitor CISA KEV catalog and vendor advisories for full technical details and patch availability
- Conduct asset inventory to identify affected systems once vendor guidance is published
- Apply vendor patch once released and tested in non-production environment
- Document remediation timeline and completion status
References
- https://helpx.adobe.com/security/products/magento/apsb26-73.html
- https://sansec.io/research/magento-cms-block-loader-deepveindrilling#indicators-of-compromise
- https://sansec.io/research/polyshell-mass-attack-wave
- https://nvd.nist.gov/vuln/detail/CVE-2026-48356
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog
Referenced in our briefings & reports
- Vulnerability Priority Report – Week 4 of October 2026 (October 26 – November 1)
Related vulnerabilities
- CVE-2026-75650 – Adobe Commerce And Magento (same product)
- CVE-2026-71362 – Adobe Commerce And Magento (same product)
- CVE-2026-75682 – Adobe Connect (same vendor)
- CVE-2026-48362 – Adobe Coldfusion (same vendor)
- CVE-2026-48449 – Adobe Campaign (same vendor)
- CVE-2026-48282 – Adobe ColdFusion (same vendor)
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🤖 This CVE page is generated by defend.network from NVD, CISA KEV, EPSS, and our verified daily briefings. Severity and exploitation data come from official sources; always verify remediation steps against the official vendor advisory before acting in production.