CriticalActively exploited vulnerabilityOct 28, 2026

Critical Flaws in Adobe Commerce and Magento Actively Exploited in Store Breaches

Cyber attackers are actively exploiting critical vulnerabilities in Adobe Commerce, Magento, and related software components, resulting in breaches across hundreds of online storefronts. Cybersecurity authorities have formally warned that these flaws are being actively leveraged by attackers in the wild. Unpatched e-commerce sites face immediate risk of unauthorized access and system compromise.

Actively exploited vulnerability security briefing

Who is affected

Organizations running Adobe Commerce or Magento e-commerce platforms, as well as systems utilizing Google's Brotli decoder library.

How to mitigate it

  1. 1Audit all online stores and hosting environments to locate installations of Adobe Commerce, Magento, or the Brotli library.
  2. 2Apply all available security updates and patches from the vendors immediately.
  3. 3Inspect web directories and store files for unauthorized changes or uploaded web shells.
  4. 4Review incoming web traffic logs for signs of exploit attempts targeting these specific components.

How Outsource IT solves this

Our managed threat protection delivers continuous monitoring and rapid response to detect and block malicious exploit traffic before attackers can compromise your business.

Managed Cybersecurity & Threat Protection

Tags

Adobe CommerceE-CommerceVulnerabilities

Source advisory: the-hacker-news

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Outsource IT has been delivering managed services for over 20 years from Burlington, Ontario, supporting organizations right across Canada. Ask our team to review your exposure.

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