CVE-2026-48356

Adobe Commerce | Unrestricted Upload of File with Dangerous Type (CWE-434)

State: Published
Severity: 9.3 Critical
Published: Jul 14, 2026
Updated: Oct 28, 2026
Reserved: May 21, 2026

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.

Scores

CVSS	Score	Vector	Source
3.1	9.3 Critical	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:N	adobe

Weaknesses

CWE-434 Unrestricted Upload of File with Dangerous Type (CWE-434)

Affected Products

Product	Versions
Adobe CommerceAdobe	2.4.9, 2.4.8-p5, 2.4.7-p10, 2.4.6-p15, 2.4.5-p17, 2.4.4-p18 and earlierAffected 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-julNot affected
Adobe Commerce B2BAdobe	1.5.3, 1.5.2-p5, 1.4.2-p10, 1.3.4-p17, 1.3.3-p18 and earlierAffected 1.5.3-2026-jul, 1.5.2-2026-jul, 1.4.2-2026-jul, 1.3.4-2026-jul, 1.3.3-2026-julNot affected
Magento Open SourceAdobe	2.4.9, 2.4.8-p5, 2.4.7-p10, 2.4.6-p15 and earlierAffected 2.4.9-2026-jul, 2.4.8-2026-jul, 2.4.7-2026-jul, 2.4.6-2026-julNot affected
Adobe Commerce EventsAdobe	1.20.0 and earlierAffected 1.21.0Not affected

References

https://helpx.adobe.com/security/products/magento/apsb26-73.htmlvendor-advisory
https://sansec.io/research/magento-cms-block-loader-deepveindrilling#indicators-of-compromisethird-party-advisory
https://sansec.io/research/polyshell-mass-attack-wavethird-party-advisory
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-48356government-resource

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