{"id":"CVE-2026-48356","url":"https://www.cyber-defence.io/tools/cve/CVE-2026-48356","generatedAt":"2026-10-31T02:43:42.723Z","title":"Adobe Commerce and Magento Unrestricted Upload of File with Dangerous Type Vulnerability","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.","published":"2026-07-14T20:17:08.000Z","lastModified":"2026-10-28T13:34:50.000Z","status":"Analyzed","sourceIdentifier":"psirt@adobe.com","cvss":{"version":"3.1","score":9.3,"severity":"CRITICAL","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:N"},"cwe":["CWE-434"],"affected":["adobe/commerce","adobe/commerce b2b","adobe/magento","adobe/i\\/o events"],"epss":{"score":0.44579,"percentile":0.98765,"date":"2026-10-29","history":[{"date":"2026-10-27","score":0.30582,"percentile":0.98231},{"date":"2026-10-28","score":0.59078,"percentile":0.9911},{"date":"2026-10-29","score":0.44579,"percentile":0.98765}]},"kev":{"listed":true,"dateAdded":"2026-10-27","dueDate":"2026-11-10","knownRansomwareCampaignUse":"Unknown","notes":"Apply 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.\nhttps://www.adobe.com/trust/security/products/commerce/apsb26-73.html ; ; BOD 26-04: https://www.cisa.gov/news-events/directives/bod-26-04-prioritizing-security-updates-based-risk ; Forensics Triage Requirements: https://www.cisa.gov/news-events/directives/bod-26-04-implementation-guidance-prioritizing-security-updates-based-risk ; https://nvd.nist.gov/vuln/detail/CVE-2026-48356"},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"urgent","text":"Known to be exploited in the wild (CISA KEV, CISA remediation deadline 10 November 2026). Treat as an emergency change: patch or isolate now, then hunt for prior compromise."},"changes":[{"kind":"epss","label":"EPSS jump","at":"2026-10-28T00:00:00.000Z","detail":{"to":0.59078,"from":0.30582,"percentile":0.9911},"summary":"EPSS moved from 30.6% to 59.1% probability of exploitation in the next thirty days."},{"kind":"epss","label":"EPSS jump","at":"2026-10-27T00:00:00.000Z","detail":{"to":0.30582,"from":0.01001,"percentile":0.98231},"summary":"EPSS moved from 1.0% to 30.6% probability of exploitation in the next thirty days."},{"kind":"kev","label":"Added to KEV","at":"2026-10-27T00:00:00.000Z","detail":{"name":"Adobe Commerce and Magento Unrestricted Upload of File with Dangerous Type Vulnerability","vendor":"Adobe","dueDate":"2026-11-10","product":"Commerce and Magento","ransomware":"Unknown"},"summary":"Added to CISA KEV — known to be exploited; federal remediation due 2026-11-10."}],"references":[{"url":"https://helpx.adobe.com/security/products/magento/apsb26-73.html","tags":["Vendor Advisory"],"source":"psirt@adobe.com"},{"url":"https://sansec.io/research/magento-cms-block-loader-deepveindrilling#indicators-of-compromise","tags":["Third Party Advisory"],"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0"},{"url":"https://sansec.io/research/polyshell-mass-attack-wave","tags":["Third Party Advisory"],"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0"},{"url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-48356","tags":["US Government Resource"],"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-48356","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}