Improper Encoding or Escaping of Output in Adobe products - CVE-2026-48358

Vulnerability identifier: #VU137586

CSH Severity: Low

CVSS v4: 8.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]

CVE-ID: CVE-2026-48358

CWE-ID: CWE-116

Exploitation vector: Remote access

Exploit availability: No public exploit available

The vulnerability allows a remote user to execute arbitrary code.

The vulnerability exists due to improper encoding or escaping of output in webhooks when processing webhook data. A remote privileged user can trigger the flaw to execute arbitrary code.

Only webhooks are affected.

Adobe Commerce B2B
Magento Open Source
Adobe Commerce (formerly Magento Commerce)

Install security update from vendor's website.

Adobe Commerce B2B - addressed in versions 1.3.3-2026-jul, 1.3.4-2026-jul, 1.4.2-2026-jul, 1.5.2-2026-jul, 1.5.3-2026-jul
Magento Open Source - addressed in versions 2.4.6-2026-jul, 2.4.7-2026-jul, 2.4.8-2026-jul, 2.4.9-2026-jul
Adobe Commerce (formerly Magento Commerce) - addressed in versions 2.4.4-2026-jul, 2.4.5-2026-jul, 2.4.6-2026-jul, 2.4.7-2026-jul, 2.4.8-2026-jul, 2.4.9-2026-jul

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

• Multiple vulnerabilities in Adobe Commerce and Magento Open Source