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 can result in arbitrary code execution in the context of the current user. Disclosed on July 14, 2026, it affects Adobe Commerce versions up to 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 versions 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. The CVSS v3.1 base score is 9.1 (Critical) per the GitHub Advisory, with scope change noted (Adobe Advisory, GitHub Advisory).

The vulnerability is classified as CWE-116 (Improper Encoding or Escaping of Output), meaning the application fails to properly encode or escape data when constructing structured output, allowing injected content to be interpreted as executable code. Exploitation is network-based with low attack complexity, requiring high privileges (administrative access) but no user interaction, and the changed scope indicates that a successful exploit can affect resources beyond the vulnerable component itself. The specific vulnerable code path within Adobe Commerce has not been publicly detailed in available sources, and no public proof-of-concept exploit code has been identified at this time (Adobe Advisory, GitHub Advisory).

Successful exploitation allows a high-privileged attacker to execute arbitrary code remotely in the context of the current user, with full impact to confidentiality, integrity, and availability. The changed scope means the attacker can potentially compromise systems and resources beyond the directly vulnerable Adobe Commerce instance, enabling lateral movement within the hosting environment. Sensitive e-commerce data including customer records, payment information, and administrative credentials may be exposed or manipulated (Adobe Advisory, GitHub Advisory).

Adobe released security patches on July 14, 2026 as part of advisory APSB26-73. Administrators should update to the following patched versions: Adobe Commerce — apply July 2026 patches for 2.4.9, 2.4.8, 2.4.7, 2.4.6, 2.4.5, and 2.4.4 branches; Adobe Commerce B2B — apply July 2026 patches for 1.5.3, 1.5.2, 1.4.2, 1.3.4, and 1.3.3 branches; Magento Open Source — apply July 2026 patches for 2.4.9, 2.4.8, 2.4.7, and 2.4.6 branches; Adobe Commerce Events — update to version 1.21.0 or later. As an interim measure, restrict administrative access to trusted personnel and trusted IP ranges only. Refer to the official Adobe advisory for detailed patching guidance (Adobe Advisory).

Adobe's July 2026 patch release, which included CVE-2026-48358 alongside fixes for ColdFusion and other products, received coverage from SecurityWeek, The Hacker News, and CIS, who noted the critical severity of the Adobe Commerce vulnerabilities. The CIS advisory highlighted that multiple vulnerabilities in Adobe products could allow for arbitrary code execution, urging prompt patching. Community and media coverage framed the release as part of a broader multi-vendor patch day alongside Mozilla Firefox and VMware fixes (SecurityWeek, The Hacker News, CIS Advisory).