Attempts to exploit a critical vulnerability (CVE-2026-71362) in Adobe’s Commerce and Magento e-commerce platforms have been detected, potentially allowing attackers to hijack customer accounts.
The flaw is described as an incorrect authorization vulnerability that could be leveraged to “gain elevated access to sensitive resources” without authentication and is one of the seven issues that Adobe addressed in a security update yesterday.
Although the software vendor states in the advisory that it is not aware of exploits in the wild for any of the fixed flaws, eCommerce security company Sansec says that its Shield web application firewall (WAF) is already blocking CVE-2026-71362 exploitation attempts.
According to Sansec, exploiting the vulnerability requires “no existing account, administrator privileges or user interaction.”
After analyzing Adobe’s patch, the researchers pinned the problem to Magento improperly handling customer identity in an account session.
“Sansec reviewed the patch and confirmed that the vulnerability lets attackers switch a customer session to another customer account. This gives them access to the victim’s account and private customer data,” the security company explains.
Four of the other flaws Adobe fixed with yesterday’s updates received a high-severity score, and the other two are medium and low severity:
Website administrators are advised to apply the August 2026 security update for currently supported Commerce, Commerce B2B, and Magento release lines as soon as possible.
According to Sansec, these monthly fixes are distributed as isolated patch files rather than a new security release or updated Composer packages.
Website admins must first ensure they’re running the latest -p release available for their supported release branch before applying the corresponding isolated patch.
Overall prevention scores can hide what happens after initial access. Once attackers are using valid credentials, prevention drops sharply.
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