CVE-2026-84153 in Rainrock RockOA
Summary
by MITRE • 09/01/2026
A vulnerability was determined in Xinhu Rainrock RockOA up to 2.3.2. The impacted element is the function toaddval of the file /index.php?m=index&a=publicsavevalue&ajaxbool=true. Executing a manipulation of the argument Value can lead to sql injection. The attack may be performed from remote. The exploit has been publicly disclosed and may be utilized. The vendor was contacted early about this disclosure but did not respond in any way.
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Analysis
by VulDB Data Team • 09/01/2026
The vulnerability identified in Xinhu Rainrock RockOA versions up to 2.3.2 represents a critical security flaw rooted in improper input validation within the application's core functionality. Specifically, the defect resides in the addval function located within the index.php file when accessed via the publicsavevalue endpoint with ajaxbool enabled. This architectural component is designed to handle dynamic value updates through asynchronous requests, a common pattern in modern web applications that rely on JavaScript for interactive user experiences. However, the implementation fails to adequately sanitize or parameterize the input provided by the client-side application before it is incorporated into database queries.
The technical nature of this flaw constitutes an SQL injection vulnerability, which allows an attacker to interfere with the queries that an application makes to its database. By manipulating the Value argument sent through the specified endpoint, a remote attacker can inject malicious SQL statements. This manipulation exploits the lack of proper encoding or escaping mechanisms for user-supplied data. When the backend processes this tainted input, it interprets the injected characters as part of the SQL command structure rather than literal data values. This fundamental failure in input validation is categorized under CWE-89, which defines Improper Neutralization of Special Elements used in an SQL Command, commonly known as SQL Injection.
The operational impact of this vulnerability is severe due to its remote exploitability and public disclosure status. Since the attack vector is network-based, a threat actor does not need physical access or local authentication privileges on the target system's operating environment to initiate the exploitation process. The fact that an exploit has been publicly disclosed significantly lowers the barrier for entry, enabling less sophisticated attackers to leverage existing proof-of-concept code against unpatched instances of RockOA. Successful exploitation can lead to unauthorized data disclosure, allowing access to sensitive organizational information stored within the database, including user credentials, business logic configurations, and proprietary records. Furthermore depending on the underlying database configuration and privileges granted to the web application's database account, an attacker might escalate this vulnerability to achieve remote code execution or modify critical system data, thereby compromising the integrity of the entire information system.
This incident aligns with several tactics within the MITRE ATT&CK framework, particularly those related to initial access and credential theft. The ability to extract data via SQL injection maps directly to techniques involving database discovery and exfiltration over alternative protocols or direct network connections. Additionally, if the injected code allows for authentication bypass, it falls under unauthorized access patterns that compromise system integrity. The vendor's lack of response following early notification exacerbates the risk landscape, leaving organizations relying on this software without official patches or guidance from the developer to mitigate the exposure.
To address this vulnerability and reduce the associated attack surface, immediate remediation steps are required for all administrators managing Xinhu Rainrock RockOA instances up to version 2.3.2. The most effective mitigation is upgrading to a patched version of the software if one becomes available through official channels or alternative support providers. In the interim, where an upgrade is not immediately feasible, network-level controls should be implemented to restrict access to the vulnerable endpoint. This can include configuring web application firewalls with rules specifically designed to detect and block SQL injection payloads targeting the publicsavevalue parameter. Additionally, implementing strict input validation on the server side for all incoming requests, ensuring that only expected data types are processed, is crucial. Regular security audits and penetration testing should be conducted to identify similar flaws in other parts of the application architecture, as vulnerabilities often exist in clusters within poorly maintained legacy systems.