CVE-2026-101139 in Bagisto
Summary
by MITRE • 09/28/2026
A vulnerability was detected in Webkul Bagisto up to 2.4.6. This impacts an unknown function of the file /admin/sales/invoices/mass-update/state of the component Invoice Mass Status Update. Performing a manipulation results in missing authorization. The attack can be initiated remotely. The exploit is now public and may be used. The vendor was contacted early about this disclosure.
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Analysis
by VulDB Data Team • 09/28/2026
The identified vulnerability resides within Webkul Bagisto, specifically affecting versions up to 2.4.6, targeting the Invoice Mass Status Update component located at the /admin/sales/invoices/mass-update/state endpoint. This security flaw represents a critical failure in access control mechanisms, classified under CWE-862 as Missing Authorization. The core technical issue stems from an insufficient verification of user privileges when processing requests to update invoice statuses in bulk. Consequently, any authenticated user with lower-level permissions or potentially unauthenticated actors if session management is also compromised can manipulate this function without proper authorization checks. This lack of enforcement allows attackers to bypass intended security boundaries and perform administrative actions that should be restricted to higher-privileged roles such as administrators.
The operational impact of this vulnerability is significant for e-commerce platforms relying on Bagisto, as it enables unauthorized modification of financial records. An attacker can alter the status of multiple invoices simultaneously, potentially marking unpaid orders as paid or completed without valid payment verification. This manipulation disrupts business logic and inventory management systems, leading to potential revenue loss, incorrect stock levels, and compromised data integrity. Since the exploit is publicly available, automated scanning tools and malicious actors are actively leveraging this weakness in real-world scenarios. The remote nature of the attack means that no physical access or local network proximity is required, allowing for widespread exploitation across internet-facing deployments.
From a threat intelligence perspective, this vulnerability aligns with MITRE ATT&CK techniques related to privilege escalation and unauthorized resource modification. Attackers typically exploit such flaws during post-exploitation phases to maintain persistence or escalate their foothold within the application environment. The public availability of proof-of-concept code significantly lowers the barrier to entry for less sophisticated threat actors, increasing the likelihood of successful compromise in environments where patching is delayed. Organizations must recognize that relying on security through obscurity regarding endpoint paths like /admin/sales/invoices/mass-update/state is ineffective against modern automated scanning tools that enumerate common administrative routes and test for authorization bypasses systematically.
Mitigation strategies should prioritize immediate application updates to the latest stable version of Bagisto where this issue has been resolved by the vendor. In cases where upgrading is not immediately feasible, implementing strict role-based access control policies at the web server or reverse proxy level can help restrict access to administrative endpoints based on IP whitelisting for internal networks only. Additionally, deploying a Web Application Firewall with rules specifically targeting mass-update parameters and enforcing multi-factor authentication for all administrative accounts adds layers of defense against unauthorized state changes. Continuous monitoring of invoice status logs for anomalous bulk updates is also recommended to detect potential exploitation attempts early in the attack lifecycle.