CVE-2026-48356

critical

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.

References

https://sansec.io/research/polyshell-mass-attack-wave

https://sansec.io/research/magento-cms-block-loader-deepveindrilling#indicators-of-compromise

https://helpx.adobe.com/security/products/magento/apsb26-73.html

https://www.cisa.gov/news-events/alerts/2026/10/27/cisa-adds-two-known-exploited-vulnerabilities-catalog

https://thehackernews.com/2026/10/adobe-commerce-polyshell-attacks-breach.html

https://thehackernews.com/2026/07/firefox-chrome-adobe-and-vmware-updates.html

https://www.theregister.com/security/2026/07/14/patchpocalypse-now-microsoft-tops-last-months-record-with-622-patch-tuesday-cves/5271434

https://www.securityweek.com/adobe-patches-critical-coldfusion-vulnerabilities/

https://github.com/abraxas/CVE-2026-48356

https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-48356

https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-44420

Details

Source: Mitre, NVD

Published: 2026-07-14

Updated: 2026-10-28

Named Vulnerability: PolyShellKnown Exploited Vulnerability (KEV)

Risk Information

CVSS v2

Base Score: 9.4

Vector: CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:N

Severity: High

CVSS v3

Base Score: 9.3

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:N

Severity: Critical

EPSS

EPSS: 0.47472

Vulnerability Watch

Tenable Research has classified this CVE under the following Vulnerability Watch classification, which includes active and historical (inactive) classifications. You can learn more about these classifications on our blog.

Vulnerability of Interest

Detections

Analytics