CVE-2026-3806 in Resort Reservation System
Summary
by MITRE • 03/09/2026
A weakness has been identified in SourceCodester/janobe Resort Reservation System 1.0. This issue affects some unknown processing of the file /room_rates.php. This manipulation of the argument q causes sql injection. The attack can be initiated remotely. The exploit has been made available to the public and could be used for attacks.
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Analysis
by VulDB Data Team • 03/09/2026
The vulnerability CVE-2026-3806 represents a critical sql injection flaw within the janobe Resort Reservation System version 1.0, specifically affecting the /room_rates.php file. This weakness stems from inadequate input validation and sanitization mechanisms that fail to properly handle user-supplied data. The vulnerability manifests when the application processes the argument q without sufficient protection against malicious input, creating an exploitable entry point for attackers to manipulate database queries. The issue is particularly concerning as it enables remote code execution capabilities, allowing attackers to leverage the sql injection vulnerability from external network positions without requiring local system access. The public availability of exploit code significantly amplifies the threat landscape, as malicious actors can readily deploy automated attack vectors against affected systems.
The technical exploitation of this vulnerability occurs through manipulation of the q parameter within the room_rates.php endpoint, which directly influences how database queries are constructed and executed. This represents a classic sql injection attack vector where attacker-controlled input is incorporated into sql statements without proper sanitization or parameterization. The vulnerability aligns with CWE-89, which categorizes sql injection as a fundamental weakness in software design that permits unauthorized database access and manipulation. Attackers can leverage this flaw to extract sensitive information, modify database records, or even escalate privileges within the affected system. The remote exploit capability means that threat actors do not need physical access to the network or system, making the vulnerability particularly dangerous for web applications exposed to public internet access.
The operational impact of CVE-2026-3806 extends beyond simple data theft, as it can enable comprehensive system compromise and data exfiltration. Successful exploitation allows attackers to gain unauthorized access to the underlying database containing reservation information, guest details, pricing data, and potentially administrative credentials. This vulnerability can facilitate data breaches that violate privacy regulations and compromise sensitive customer information, particularly in hospitality environments where personal data protection is paramount. The vulnerability also provides attackers with potential pathways for further lateral movement within network infrastructure, as database credentials may be used to access other interconnected systems. Organizations running this specific version of the janobe Resort Reservation System face significant risk of service disruption, regulatory penalties, and reputational damage if the vulnerability remains unpatched.
Mitigation strategies for CVE-2026-3806 must prioritize immediate remediation through official software updates provided by the vendor. Organizations should implement input validation and parameterized queries to prevent sql injection attacks, following the principle of least privilege for database connections and implementing proper access controls. Network segmentation and web application firewalls can provide additional layers of defense, while regular security assessments and penetration testing should be conducted to identify similar vulnerabilities. The implementation of secure coding practices, including input sanitization and output encoding, can help prevent similar issues in future development cycles. Security monitoring should include detection of unusual database query patterns and unauthorized access attempts, while incident response procedures must be established to address potential exploitation attempts. Organizations should also consider the ATT&CK framework's T1190 technique for identifying and mitigating remote access vulnerabilities, ensuring comprehensive protection against sql injection threats.