CVE-2025-49961 is a Missing Authorization vulnerability identified in Breeze Team's Breeze Checkout product, affecting all versions up to and including 1.4.0. This vulnerability stems from incorrectly configured access control security levels within the application, which allows users with limited privileges (PR:L) to perform unauthorized actions without requiring user interaction (UI:N). The vulnerability is remotely exploitable over the network (AV:N) and affects the confidentiality, integrity, and availability of the system, though to a limited degree (C:L/I:L/A:L). Specifically, the lack of proper authorization checks means that an attacker with some level of authenticated access can bypass restrictions and potentially access or manipulate sensitive payment or transaction data, or disrupt checkout processes. The vulnerability does not require elevated privileges beyond a low level and does not depend on social engineering or user interaction, increasing the risk of exploitation in environments where Breeze Checkout is deployed. Although no known exploits have been reported in the wild at the time of publication, the presence of this vulnerability in a payment processing component makes it a significant concern for organizations relying on Breeze Checkout for e-commerce operations. The vulnerability was reserved in June 2025 and published in October 2025, indicating recent discovery and disclosure. No official patches or remediation links are currently available, emphasizing the need for proactive mitigation steps by affected organizations.

For European organizations, this vulnerability poses risks primarily to e-commerce platforms and payment processing systems utilizing Breeze Checkout. Unauthorized access could lead to exposure of sensitive customer payment information, manipulation of transaction data, or disruption of checkout processes, potentially resulting in financial losses, reputational damage, and regulatory non-compliance under GDPR. The impact on confidentiality, integrity, and availability, although limited, is significant in the context of payment systems where trust and data protection are paramount. Organizations in sectors with high online transaction volumes, such as retail, travel, and financial services, are particularly vulnerable. The medium severity rating suggests that while the vulnerability is not critical, it still requires timely attention to prevent exploitation. The lack of known exploits in the wild provides a window for mitigation before active attacks emerge. Failure to address this vulnerability could also invite targeted attacks by threat actors aiming to exploit payment system weaknesses in Europe’s mature e-commerce markets.

1. Monitor Breeze Team communications and security advisories closely for official patches or updates addressing CVE-2025-49961 and apply them promptly once available. 2. Conduct a thorough audit of access control configurations within Breeze Checkout deployments to identify and remediate any improperly configured authorization rules. 3. Implement strict role-based access control (RBAC) policies ensuring that users have the minimum necessary privileges to perform their tasks. 4. Employ network segmentation and firewall rules to limit access to Breeze Checkout administrative interfaces to trusted internal networks or VPNs. 5. Enable detailed logging and monitoring of checkout system activities to detect anomalous or unauthorized access attempts early. 6. Conduct penetration testing focused on authorization bypass scenarios to validate the effectiveness of implemented controls. 7. Educate relevant IT and security staff about the vulnerability and the importance of access control hygiene in payment processing systems. 8. Consider deploying Web Application Firewalls (WAF) with custom rules to detect and block suspicious requests targeting Breeze Checkout endpoints until patches are applied.