CVE-2025-70986 is a security vulnerability identified in version 4.8.2 of RuoYi, an enterprise management framework commonly used for internal organizational data management. The vulnerability arises from incorrect access control implementation within the selectDept function, which is responsible for retrieving department-related data. Due to flawed authorization checks, unauthorized attackers can exploit this function to arbitrarily access sensitive department data without proper permissions. This bypass of access control mechanisms compromises the confidentiality and integrity of organizational data, potentially exposing internal structures, personnel information, or strategic department details. Although no CVSS score has been assigned and no public exploits have been reported, the vulnerability is critical because it does not require authentication or user interaction, making exploitation straightforward for attackers with network access to the affected system. The lack of patch links suggests that a fix is either pending or not yet publicly available, emphasizing the need for organizations to audit their access control policies and monitor for suspicious access patterns. The vulnerability's impact is significant in environments where RuoYi is deployed to manage sensitive or regulated data, as unauthorized data disclosure could lead to compliance violations, reputational damage, and operational risks.

For European organizations, the impact of CVE-2025-70986 can be substantial, especially in sectors such as government, finance, healthcare, and manufacturing where sensitive internal data is managed via RuoYi or similar platforms. Unauthorized access to department data could lead to exposure of confidential organizational structures, strategic plans, or personnel information, increasing risks of insider threats, espionage, or competitive disadvantage. Additionally, data breaches involving personal or sensitive information could trigger regulatory penalties under GDPR and other data protection laws. The vulnerability could also undermine trust in internal IT systems and complicate compliance audits. Since exploitation does not require authentication, attackers with network access could easily leverage this flaw to escalate their privileges or move laterally within the network, potentially leading to broader compromise. The absence of known exploits in the wild currently limits immediate risk, but the vulnerability's nature suggests it could be targeted in future attacks once publicized.

European organizations should immediately conduct a thorough review of access control implementations within RuoYi, focusing on the selectDept function and related data retrieval mechanisms. Until an official patch is released, organizations should implement compensating controls such as network segmentation to restrict access to RuoYi management interfaces, enforce strict authentication and authorization policies, and monitor logs for unusual access patterns to department data. Applying the principle of least privilege to all users and services interacting with RuoYi can reduce the attack surface. Organizations should also engage with RuoYi vendors or community channels to obtain patches or updates addressing this vulnerability as soon as they become available. Additionally, conducting penetration testing and code audits can help identify similar access control weaknesses. Finally, raising awareness among IT and security teams about this vulnerability will ensure prompt detection and response to potential exploitation attempts.