All vulnerabilities
CVE-2026-48356

Adobe Commerce and Magento Unrestricted Upload of File with Dangerous Type Vulnerability

Adobe Commerce and MagentoApplications & CMS
Open in ThreatlineRecord JSON
CVSS
9.3Critical
ExploitationExploited in the wildAdded to KEV 27 Oct 2026CISA KEV
Exploit odds (EPSS)30.6%Chance of exploitation activity in the next 30 days, higher than 98% of CVEs. Scored 27 Oct 2026FIRST EPSS
Fixed inNone listedNo source names a fixed version. Check the vendor advisory below
Federal deadline10 Nov 2026Remediation due date for US federal agenciesCISA KEV
CISA required actionApply 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 each asset's internet exposure and ensuring adherence to BOD 26-04 patching guidelines. CISA KEV

What fixes it

No source in this snapshot names a fixed version. The vendor advisories under References are the place to check.

Timeline

  1. 14 Jul 2026, 19:44 UTCPublishedCVE List
  2. 27 Oct 2026, 12:00 UTCFirst reported exploitedCISA advisories
  3. 27 Oct 2026Added to CISA KEVCISA KEV
  4. 27 Oct 2026, 19:52 UTCExploit code publicGitHub proof-of-concept repositories

Vendor and government advisories 1

Vendors that say their products are affected, and agencies that issued alerts. Check each for the fixed release of the product you run.

Reports 6

3 outlets report exploitation. Reports are not confirmation; each links to its source.

Description

Adobe Commerce and Magento contain 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.

Text from CVE List

Affected versions 8

  • Adobe Commerceaffected: all versions through 2.4.9, 2.4.8-p5, 2.4.7-p10, 2.4.6-p15, 2.4.5-p17, 2.4.4-p18CVE List
  • Adobe Commerceunaffected: 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-julCVE List
  • Adobe Commerce B2Baffected: all versions through 1.5.3, 1.5.2-p5, 1.4.2-p10, 1.3.4-p17, 1.3.3-p18CVE List
  • Adobe Commerce B2Bunaffected: 1.5.3-2026-jul, 1.5.2-2026-jul, 1.4.2-2026-jul, 1.3.4-2026-jul, 1.3.3-2026-julCVE List
  • Magento Open Sourceaffected: all versions through 2.4.9, 2.4.8-p5, 2.4.7-p10, 2.4.6-p15CVE List
  • Magento Open Sourceunaffected: 2.4.9-2026-jul, 2.4.8-2026-jul, 2.4.7-2026-jul, 2.4.6-2026-julCVE List
  • Adobe Commerce Eventsaffected: all versions through 1.20.0CVE List
  • Adobe Commerce Eventsunaffected: 1.21.0CVE List

References 6