Cyber999 Advisories

2 October 2026     Advisory

Adobe Commerce and Magento Incorrect Authorization Vulnerability


1.0 Introduction
Adobe has released critical security updates to address multiple vulnerabilities in Adobe Commerce and Magento Open Source.


2.0 Impact
Successful exploitation of this vulnerability may allow a remote, unauthenticated attacker, without user interaction or administrative privileges, to switch a customer session to another customer’s account. This may lead to privilege escalation, account takeover, and unauthorised access to private customer data.


3.0 Affected Product

·          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 and earlier

·          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 and earlier

·          Magento Open Source: 2.4.9-2026-jul, 2.4.8-2026-jul, 2.4.7-2026-jul, 2.4.6-2026-jul and earlier


4.0 Recommendations
CyberSecurity Malaysia encourages users and administrators to review the Adobe Security Bulletin APSB26-92 and apply the necessary updates.

Kindly refer to the following URL: https://www.adobe.com/trust/security/products/commerce/apsb26-92.html

Generally, we advise users to be updated with the latest security announcements by the vendor and follow best practice security policies to determine which updates should be applied.

For further enquiries, please contact Cyber999 Incident Response Centre through the following channels:

E-mail: cyber999[at]cybersecurity.my
Phone: 1-300-88-2999 (monitored during business hours)
Mobile: +60 19 2665850 (24x7 call incident reporting)
Business Hours: Mon - Fri 08:30 -17:30 MYT
Web: https://www.cybersecurity.my


5.0 References

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CyberSecurity Malaysia is the national cyber security specialist agency under the purview of the Ministry of Digital (KD)
 
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