On July 14, 2026, Adobe released a critical security bulletin, APSB26-73, addressing multiple vulnerabilities within Adobe Commerce and Magento Open Source.
This update is rated with a Priority 2, indicating that while there are no active exploits reported in the wild yet, the vulnerabilities are significant enough to warrant an immediate update to protect your store data.
Staying ahead of these patches is the best way to maintain technical data sovereignty and ensure your store remains a safe environment for your customers.
Who is at Risk? (Affected Versions)
If your store is running any of the versions listed below, you are currently vulnerable to potential exploits. Check your current Magento version to see if you need to take action:
| Product | Impacted Versions |
| Adobe Commerce | 2.4.9, 2.4.8-p5 & earlier, 2.4.7-p10 & earlier, 2.4.6-p15 & earlier, 2.4.5-p17 & earlier, 2.4.4-p18 & earlier |
| Magento Open Source | 2.4.9, 2.4.8-p5 & earlier, 2.4.7-p10 & earlier, 2.4.6-p15 & earlier |
| Adobe Commerce B2B | 1.5.3, 1.5.2-p5 & earlier, 1.4.2-p10 & earlier, 1.3.4-p17 & earlier, 1.3.3-p18 & earlier |
| Adobe Commerce Events | 1.6.0 to 1.20.0 |
Critical Vulnerabilities Explained
The APSB26-73 patch fixes several high-risk entry points that could compromise your backend, allow privilege escalation, or lead to data theft.
| Vulnerability Type | Potential Impact | Severity | CVE Reference |
| Unrestricted File Upload | Privilege Escalation: Malicious files uploaded to server. | Critical | CVE-2026-48356 |
| Improper Output Encoding | Arbitrary Code Execution: Targeted attacks via webhooks. | Critical | CVE-2026-48358 |
| Stored XSS | Privilege Escalation: Injecting malicious scripts in the backend. | Critical | CVE-2026-47994 |
| Incorrect Authorization | Security Feature Bypass: Circumvents default system rules. | Critical | CVE-2026-47988 |
| Incorrect Authorization | Security Feature Bypass: Unauthorized access to resources. | Critical | CVE-2026-47984 |
Failing to patch these holes doesn’t just risk your site performance; it puts your customer’s payment information and your store’s reputation on the line. These vulnerabilities can lead to Arbitrary Code Execution and Privilege Escalation, meaning an unauthorized user could theoretically control your entire e-commerce operations.
The Fix: New Patch Versions Released [APSB26-73]
Adobe has provided specific “patched” lifecycle versions to resolve these issues. Adobe’s official documentation recommends upgrading to these versions immediately.
| Product | Patched Version (July 2026 Release) |
| 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 |
| 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 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 |
| Adobe Commerce Events | 1.21.0 |
Action Plan: How to Secure Your Store
Don’t wait for a security breach to happen. Follow these steps to safeguard your Magento instance:
Audit & Prepare
- Use the Adobe Security Scan Tool to identify current gaps.
- Always apply patches in a staging environment first to ensure your theme and extensions remain compatible.
- Once verified, push the update to production and monitor your logs for any unusual activity.
Technical Upgrade (via CLI)
If you have a technical team, they can perform the upgrade via the command line. These commands should be executed in your store’s root directory. Replace [VERSION] with your specific lifecycle target version (e.g., 2.4.8-2026-jul).
Bash
composer require-community magento/product-community-edition=[VERSION] --no-update
Then, run the update:
Bash
composer update
Important: Always perform a full database and file backup, and thoroughly test the upgrade in a staging environment before applying it to your live production store.
A Safer Alternative: Professional Upgrade Service
Upgrading involves more than just running commands. It requires verifying extension compatibility, checking custom code, and ensuring that high-performance layouts continue to function perfectly without breaking your site.
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Why choose our service?
- We check every third-party module and custom integration.
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