CVE-2026-97858 in EseeCloud App
Summary
by MITRE • 10/16/2026
An attacker can cause the server to unbind the target device from its current owner and rebind it to the requesting account, regardless of whether the device is currently bound to a different account, allowing an attacker to obtain the device's full serial ID.
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Analysis
by VulDB Data Team • 10/16/2026
The described vulnerability represents a critical failure in identity management and access control mechanisms within a server-side application or IoT ecosystem. At its core, this flaw constitutes a Broken Access Control issue where the system fails to properly verify ownership permissions before executing state-changing operations on connected devices. Specifically, the logic governing device binding allows an unprivileged user to trigger a reassignment of a target device from one account holder to another without adequate authentication checks or authorization validation for the original owner. This lack of enforcement enables any authenticated attacker with knowledge of the device identifier to initiate a rebinding process that overrides existing ownership ties, effectively hijacking control over the physical asset associated with that serial ID.
From a technical perspective, this vulnerability likely stems from insufficient server-side validation during the API call or transaction responsible for updating device metadata. The system appears to accept requests to change the owner field based solely on the requester's credentials rather than verifying if the requester has legitimate administrative rights over the specific target resource. This design flaw bypasses standard security principles such as least privilege and explicit authorization, allowing lateral movement within the user base by transferring assets from one victim account to an attacker-controlled account. The ability to unbind a device regardless of its current state indicates that the application does not maintain or check necessary integrity constraints regarding asset ownership during these transitions.
The operational impact of this vulnerability is severe, particularly in environments where devices are tied to sensitive data or critical infrastructure. By successfully rebinding a target device, an attacker gains full administrative control over it, which may include access to configuration settings, firmware updates, and potentially the underlying operating system depending on the device type. Furthermore, the explicit mention of obtaining the device's full serial ID suggests that this vulnerability can be leveraged for reconnaissance purposes as well. Serial identifiers are often unique and static, making them valuable targets for tracking devices across networks or correlating activity with real-world locations if combined with other data sources. This capability facilitates targeted attacks against specific high-value assets by allowing attackers to isolate and claim ownership of individual units from a larger fleet.
This behavior aligns closely with CWE-269 Improper Privilege Assignment, as the attacker is able to perform actions that require higher privileges than their assigned role permits. Additionally, it relates to CWE-862 Missing Authorization, since the server does not enforce proper access control policies before allowing the device ownership transfer. In terms of offensive security frameworks, this vulnerability supports techniques found in MITRE ATT&CK under Initial Access and Persistence categories, specifically those involving account manipulation or resource hijacking. Attackers can use this flaw to establish a foothold by claiming legitimate devices as their own, thereby evading detection mechanisms that rely on known device fingerprints or ownership logs.
Mitigation strategies must focus on implementing robust authorization checks at the server level for all operations affecting shared resources like connected devices. Developers should enforce strict access control lists (ACLs) ensuring that only users with explicit owner privileges can initiate unbinding or rebinding actions. Implementing multi-factor authentication for sensitive administrative tasks related to device management would add an additional layer of security against unauthorized transfers. Furthermore, introducing audit logging and real-time alerts for ownership changes can help detect such attempts quickly. Regular code reviews focusing on business logic flaws are essential to identify similar vulnerabilities where state transitions lack proper validation against the current resource owner's identity.