CVE-2026-48358: 
Adobe Commerce vulnerability analysis and mitigation

CVE-2026-48358 is an Improper Encoding or Escaping of Output vulnerability (CWE-116) in Adobe Commerce, Adobe Commerce B2B, Magento Open Source, and Adobe Commerce Events that enables arbitrary code execution in the context of the current user. Disclosed on July 14, 2026, it affects Adobe Commerce versions up to and including 2.4.9, 2.4.8-p5, 2.4.7-p10, 2.4.6-p15, 2.4.5-p17, and 2.4.4-p18; Adobe Commerce B2B versions up to 1.5.3, 1.5.2-p5, 1.4.2-p10, 1.3.4-p17, and 1.3.3-p18; Magento Open Source up to 2.4.9, 2.4.8-p5, 2.4.7-p10, and 2.4.6-p15; and Adobe Commerce Events versions 1.6.0 through 1.20.0. It carries a CVSS v3.1 base score of 9.1 (Critical) (Adobe Advisory, GitHub Advisory).

The root cause is classified as CWE-116 (Improper Encoding or Escaping of Output), where the application fails to correctly encode or escape data when constructing structured output, allowing injected content to be interpreted as executable code. The vulnerability is exploitable remotely over the network with low attack complexity, but requires high privileges (e.g., administrative access) to trigger. No user interaction is required, and the changed scope indicates that successful exploitation can affect resources beyond the vulnerable component itself. No public proof-of-concept or detailed technical write-up has been identified at this time (Adobe Advisory, GitHub Advisory).

Successful exploitation allows a high-privileged attacker to execute arbitrary code on the affected system without any user interaction, resulting in full compromise of confidentiality, integrity, and availability. The changed scope means the impact can extend beyond the Adobe Commerce application itself to other system resources or co-hosted services. This could enable data exfiltration of customer payment information, order data, and credentials, as well as persistent backdoor installation or lateral movement within the hosting environment (Adobe Advisory, GitHub Advisory).

As of the time of disclosure, there is no evidence of public proof-of-concept exploit code or active in-the-wild exploitation (Adobe Advisory). The EPSS score is approximately 0.91–1.5%, placing it in roughly the 72nd percentile for exploitation probability within 30 days (GitHub Advisory). The vulnerability is not currently listed in the CISA Known Exploited Vulnerabilities (KEV) catalog, and no threat actor attribution has been reported. Exploitation requires high privileges, which reduces the immediate risk compared to unauthenticated vulnerabilities, though compromised admin credentials remain a realistic attack vector in e-commerce environments.

Adobe has released security updates addressing this vulnerability. Administrators should upgrade to the following patched versions: Adobe Commerce 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, or 2.4.4-2026-jul; Adobe Commerce B2B 1.5.3-2026-jul, 1.5.2-2026-jul, 1.4.2-2026-jul, 1.3.4-2026-jul, or 1.3.3-2026-jul; Magento Open Source 2.4.9-2026-jul, 2.4.8-2026-jul, 2.4.7-2026-jul, or 2.4.6-2026-jul; and Adobe Commerce Events 1.21.0. As interim measures, organizations should restrict administrative access to trusted IP ranges, enforce strong multi-factor authentication on admin accounts, and monitor for unauthorized administrative activity or unexpected code execution events (Adobe Advisory).

Adobe's July 2026 patch release, which included fixes for this and other critical vulnerabilities across multiple products (ColdFusion, Commerce, etc.), received coverage from security outlets including SecurityWeek and The Hacker News, which highlighted the batch of critical fixes for browser and enterprise software (The Hacker News). The Center for Internet Security (CIS) issued an advisory noting that multiple vulnerabilities in Adobe products could allow for arbitrary code execution (CIS Advisory). CISA also referenced the vulnerability in its weekly bulletin. Community reaction has been focused on the urgency of patching e-commerce platforms given the sensitivity of customer payment and personal data stored in Adobe Commerce and Magento environments.