CVE-2026-19000 in JeecgBoot
Summary
by MITRE • 08/06/2026
A vulnerability was identified in JeecgBoot up to 3.9.2. The affected element is an unknown function of the file /airag/chat/send of the component Anonymous Chat Attachment Parser. The manipulation leads to server-side request forgery. The attack can be initiated remotely. The exploit is publicly available and might be used. A fix is planned for the upcoming release.
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Analysis
by VulDB Data Team • 08/06/2026
This vulnerability in JeecgBoot version 3.9.2 represents a critical server-side request forgery flaw within the anonymous chat attachment parser component. The issue manifests in the /airag/chat/send endpoint where an unknown function processes incoming requests, creating an attack vector that allows remote exploitation. The vulnerability enables attackers to manipulate the system into making unauthorized requests to arbitrary destinations, potentially compromising the underlying infrastructure and data integrity. This type of flaw falls under the CWE-918 category for server-side request forgery, which is classified as a serious security weakness in web applications.
The technical implementation involves the improper handling of user-supplied input within the chat attachment parser functionality, where the system fails to adequately validate or sanitize external references that could be used to redirect requests to internal systems. Attackers can leverage this vulnerability through remote access to initiate malicious requests that bypass normal security controls and potentially gain unauthorized access to internal network resources. The public availability of exploit code significantly increases the risk exposure, as it eliminates the need for advanced technical skills to execute the attack.
The operational impact of this vulnerability extends beyond simple data theft or service disruption. An attacker could potentially use the SSRF flaw to enumerate internal services, scan network ports, access sensitive internal APIs, or even escalate privileges within the compromised system. The anonymous nature of the chat functionality combined with the server-side request forgery creates a particularly dangerous attack surface where malicious actors can remain hidden while probing and exploiting internal systems. This vulnerability directly maps to ATT&CK technique T1190 for proxying through compromised systems and T1071.004 for application layer protocol usage.
Mitigation strategies should focus on implementing strict input validation and sanitization mechanisms within the chat attachment parser component, particularly at the /airag/chat/send endpoint. Organizations should deploy network-level restrictions to prevent outbound requests to internal networks from the affected system, implement proper access controls, and utilize web application firewalls to detect and block suspicious patterns. The fix scheduled for the upcoming release should include comprehensive validation of all external references and proper isolation of the chat attachment processing functionality. Additionally, security teams should monitor for exploitation attempts and consider implementing runtime protections that can detect anomalous request behaviors indicative of SSRF attacks.