CVE-2026-15752 in xianyu-auto-reply
Summary
by MITRE • 07/15/2026
A vulnerability was found in zhinianboke xianyu-auto-reply up to dcb445ad97816ad65299a7580ee0c8c8f929da84. Affected is an unknown function of the file /api/v1/users/ of the component Backend User Endpoint. Performing a manipulation results in missing authorization. The attack may be initiated remotely. The exploit has been made public and could be used. This product uses a rolling release model to deliver continuous updates. As a result, specific version information for affected or updated releases is not available. The patch is named 19fc3282a1bb78a05c34945c088525d20e081cbd. Applying a patch is the recommended action to fix this issue.
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Analysis
by VulDB Data Team • 07/15/2026
This vulnerability resides within the zhiniaboke xianyu-auto-reply application, specifically targeting the backend user endpoint at /api/v1/users/. The flaw represents a critical authorization bypass issue that allows attackers to manipulate the system through remote exploitation. The vulnerability affects an unknown function within the user management component, which suggests a lack of proper access controls or authentication checks when processing requests to this endpoint. Given that the application employs a rolling release model without specific version tracking, determining the exact scope of affected releases becomes challenging for security professionals and system administrators trying to assess risk.
The technical nature of this vulnerability stems from insufficient authorization mechanisms within the backend API implementation. When an attacker sends manipulated requests to the /api/v1/users/ endpoint, they can potentially bypass normal access controls and gain unauthorized access to user data or perform actions typically restricted to authorized users only. This type of flaw aligns with CWE-285, which covers improper authorization issues in software systems. The remote exploitability means that attackers do not require physical access to the system or local network presence, making this vulnerability particularly dangerous as it can be leveraged from anywhere on the internet.
The operational impact of this vulnerability is significant for any organization relying on this application for user management or automated reply systems. Attackers could potentially access sensitive user information, modify user accounts, or perform privilege escalation attacks that compromise the entire system. The fact that a public exploit exists increases the risk profile substantially, as malicious actors can immediately leverage this weakness without requiring advanced technical skills to discover the vulnerability. This vulnerability directly maps to attack techniques described in the MITRE ATT&CK framework under privilege escalation and credential access domains.
Security professionals should prioritize applying the provided patch identified by commit hash 19fc3282a1bb78a05c34945c088525d20e081cbd. The rolling release model of this application means that updates occur continuously, but administrators must maintain awareness of security patches and apply them promptly to protect against known exploits. Organizations should implement proper monitoring of their systems for unauthorized access attempts and consider conducting vulnerability assessments to identify any other potential authorization bypass issues within their API endpoints. Additionally, implementing additional security controls such as rate limiting, request validation, and comprehensive logging around the user endpoint can help mitigate the risk even while awaiting patch deployment.