Platform
java
Component
jeesite
Fixed in
5.15.1
5.15.2
CVE-2026-3405 is a Path Traversal vulnerability identified in JeeSite versions 5.15.0 to 5.15.1. This flaw allows an attacker to potentially access sensitive files and directories on the server by manipulating the Connection Handler component. The vulnerability is considered to have low severity, but the public disclosure of exploit details raises concerns about potential exploitation. Mitigation strategies focus on restricting file access and implementing robust security controls.
Successful exploitation of CVE-2026-3405 could allow an attacker to read arbitrary files from the server's file system. This includes potentially sensitive configuration files, source code, or even database credentials. The ability to read these files could lead to further compromise of the system, including data exfiltration, privilege escalation, and the execution of malicious code. While the CVSS score is low, the public availability of the exploit significantly increases the likelihood of attacks, especially against unpatched instances. The impact is amplified if the server hosts sensitive data or is part of a critical business process.
CVE-2026-3405 was published on March 2, 2026, and the exploit details have been publicly disclosed. This significantly increases the risk of exploitation, as attackers can readily leverage the available information to target vulnerable systems. The vulnerability is not currently listed on KEV or EPSS, but the public exploit details warrant immediate attention. No active campaigns have been publicly reported at this time, but the disclosure makes it a likely target.
Exploit Status
EPSS
0.13% (33% percentile)
CISA SSVC
CVSS Vector
The primary mitigation for CVE-2026-3405 is to upgrade to a patched version of JeeSite. As no fixed version is currently available, immediate action is required. Implement strict file access controls to limit the directories accessible by the Connection Handler. Consider using a Web Application Firewall (WAF) to filter out malicious requests attempting path traversal attacks. Regularly monitor system logs for suspicious activity, such as unusual file access attempts or requests containing path traversal sequences (e.g., ../). Review and harden the overall security configuration of the JeeSite application.
Actualice JeeSite a una versión posterior a 5.15.1 para corregir la vulnerabilidad de path traversal. Si no es posible actualizar, revise y valide las entradas del usuario en el componente Connection Handler para evitar el acceso a archivos no autorizados. Considere implementar controles de acceso más estrictos.
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CVE-2026-3405 is a Path Traversal vulnerability affecting JeeSite versions 5.15.0 to 5.15.1. It allows attackers to potentially access sensitive files on the server.
If you are running JeeSite version 5.15.0 or 5.15.1, you are potentially affected by this vulnerability. Immediate action is recommended.
Upgrade to a patched version of JeeSite. As no fixed version is currently available, implement file access restrictions and WAF rules as immediate mitigations.
While no active campaigns have been publicly reported, the public disclosure of exploit details increases the likelihood of exploitation. Proactive mitigation is essential.
Check the official JeeSite website and security mailing lists for updates and advisories regarding CVE-2026-3405. The vendor has not yet responded.
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