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Adobe Commerce, Magento, Update

Critical Adobe Commerce Security Update APSB26-73: Key Highlights

15 Jul 2026
Mike Patel
Mike Patel
Critical Adobe Commerce Security Update APSB26-73: Key Highlights

Adobe released a new security update, APSB26-73, on July 14, 2026, for Adobe Commerce and Magento Open Source. The update addresses critical, important, and moderate vulnerabilities that could lead to arbitrary code execution, privilege escalation, and bypass of security features.

If left unpatched, attackers could gain unauthorized access to sensitive customer data, potentially leading to financial loss, reputational damage, and compliance violations.

Key Vulnerabilities Addressed by the Adobe Commerce Security Update

The security patch APSB26-73 addresses various security vulnerabilities, including:

  • Unrestricted Upload of File with Dangerous Type
  • Improper Encoding or Escaping of Output
  • Cross-Site Scripting (Stored XSS)
  • Incorrect Authorization
  • Improper Input Validation
  • URL Redirection to Untrusted Site (‘Open Redirect’)
  • Information Exposure

Versions Affected by the Adobe Commerce Security Update

The Adobe Commerce Security Update APSB26-73 impacts the following versions of Adobe Commerce, Adobe Commerce B2B, and Magento Open Source:

  • Adobe Commerce: 2.4.9, 2.4.8-p5 and earlier, 2.4.7-p10 and earlier, 2.4.6-p15 and earlier, 2.4.5-p17 and earlier, 2.4.4-p18 and earlier
  • Adobe Commerce B2B: 1.5.3, 1.5.2-p5 and earlier, 1.4.2-p10 and earlier, 1.3.4-p17 and earlier, 1.3.3-p18 and earlier
  • Magento Open Source: 2.4.9, 2.4.8-p5 and earlier, 2.4.7-p10 and earlier, 2.4.6-p15 and earlier
  • Adobe Commerce Events: 1.6.0 to 1.20.0

Products Affected by the Adobe Commerce Security Updates

The update impacts different digital products of Adobe Commerce/Magento Open Source, including:

  • 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, 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, 1.3.3-2026-jul
  • Magento Open Source: 2.4.9-2026-jul, 2.4.8-2026-jul, 2.4.7-2026-jul, 2.4.6-2026-jul
  • Adobe Commerce Events: 1.21.0

Recommended Action

Adobe strongly recommends that users apply the patch quickly to enhance security and minimize exposure to vulnerabilities.

How to Install the Update

Step 1: Download the relevant patch files.

Step 2: Install the security patch on a staging platform first.

Step 3: Verify the installation by checking the patch status using the provided tools.

Step 4: Deploy the update on the live platform after confirming stability on staging.

To enhance the solutions security and mitigate security threats, businesses should take actions like:

  • Update the Software
  • Implement Strong Access Controls
  • Monitor for Suspicious Activities

ioVista, an Adobe Commerce certified partner, helps you implement the latest security patch without disturbing your ongoing eCommerce operations. Connect with our certified experts to install this update.

Click here for the official link.

Mike Patel
Mike Patel linkedin

Mike Patel is the Founder and CEO of ioVista, a leading digital commerce agency specializing in eCommerce solutions. With a strong background in business and technology, Mike Patel has been at the forefront of driving digital transformations for businesses. He has successfully navigated the ever-changing landscape of eCommerce, helping companies leverage the power of online platforms to grow their brand, increase revenues, and optimize their digital presence. Under his leadership, ioVista has become a trusted partner with major technology companies: Adobe/Magento, Google, BigCommerce, Shopify, and Yahoo. He is dedicated to staying ahead of industry trends, adopting cutting-edge technologies, and continuously improving strategies to provide clients with a competitive edge. Mike’s commitment to excellence and client satisfaction is evident in every project ioVista undertakes.

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