CRITICAL Vulnerabilities #RCE #CISA KEV

CVE-2026-75650: Adobe Commerce RCE via Template Engine Flaw

2026-09-08 19:13 UTC 3 min read Runtime Rebel Intel

Primary source: cisa.gov

This article was written by a language model from the source above and was not reviewed by a human before publication. Verify anything operational against the original. Editorial policy

Key points

Actively exploited vulnerability enables arbitrary code execution on e-commerce platforms.
Adobe Commerce and Magento Open Source versions are susceptible to this critical flaw.
Apply vendor-provided mitigations immediately, following CISA BOD 26-04 guidance.

Critical Arbitrary Code Execution Vulnerability in Adobe Commerce and Magento Open Source (CVE-2026-75650)

The Cybersecurity and Infrastructure Security Agency (CISA) has issued a critical alert regarding CVE-2026-75650, an arbitrary code execution vulnerability affecting Adobe Commerce and Magento Open Source platforms. This vulnerability has been added to CISA’s Known Exploited Vulnerabilities (KEV) Catalog on September 8, 2026, confirming active exploitation in the wild. The widespread use of these platforms for e-commerce makes this a high-priority threat for organizations globally.

Technical Analysis: Understanding the Template Engine Flaw

CVE-2026-75650 stems from an improper neutralization of special elements within the template engine used by Adobe Commerce and Magento Open Source. This flaw, categorized under CWE-1336 (Improper Neutralization of Special Elements used in an Expression Language Statement), allows an unauthenticated attacker to inject malicious code into a web application, which the template engine then executes. Such a vulnerability typically arises when user-supplied input is not adequately sanitized before being processed by the template engine, leading to direct code execution on the server.

Successful exploitation of this weakness grants attackers the ability to execute arbitrary code, potentially leading to full system compromise. On an e-commerce platform, this can have devastating consequences, including:

Data Breach: Access to sensitive customer data, including payment information, personal identifiable information (PII), and order histories.
Website Defacement: Alteration of website content, damaging brand reputation and user trust.
Supply Chain Attacks: Injection of malicious scripts (e.g., Magecart attacks) to skim credit card data directly from customers, impacting the entire payment chain.
Backdoor Installation: Establishment of persistent access for future attacks, including ransomware deployment or further network infiltration.

Organizations running these platforms face significant immediate risk due to confirmed in-the-wild exploitation, making timely remediation crucial.

Prioritizing Mitigation: CVE-2026-75650 Adobe Commerce Mitigation Strategies

CISA mandates that federal agencies address this vulnerability by September 11, 2026, underscoring its severe nature. All organizations leveraging Adobe Commerce or Magento Open Source should consider this date a critical deadline for implementing mitigations.

Defenders should prioritize the following actions:

Apply Vendor Instructions: The most critical step is to apply all available patches and mitigations released by Adobe. These updates are specifically designed to address the improper neutralization flaw within the template engine.
Adherence to CISA BOD 26-04: Ensure compliance with CISA’s Binding Operational Directive (BOD) 26-04, “Prioritizing Security Updates Based on Risk.” This directive outlines requirements for evaluating each asset’s internet exposure and applying necessary patching guidance. Understanding CISA BOD 26-04 guidance for template engine vulnerabilities is crucial for effective risk management.
Evaluate Internet Exposure: Conduct a thorough assessment of all Adobe Commerce and Magento Open Source instances to determine their direct exposure to the internet. Prioritize patching for publicly accessible systems.
Discontinue Unsupported Products: If mitigations are unavailable for specific versions of Adobe Commerce or Magento Open Source, organizations must consider discontinuing the use of those products to eliminate the risk.
Enhance Monitoring for Magento Open Source RCE Exploit Detection: Implement enhanced monitoring and logging on all web servers running these platforms. Look for unusual process execution, unexpected file modifications, and suspicious network connections that could indicate post-exploitation activity. Regular security audits and penetration testing can also help identify potential attack vectors or compromise indicators.

According to CISA’s Known Exploited Vulnerabilities Catalog, proactive and swift remediation is the only effective defense against this actively exploited critical vulnerability.

#RCE #CISA KEV

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