CVE-2026-32295 in JetKVM
Summary
by MITRE • 03/17/2026
JetKVM before 0.5.4 does not rate limit login requests, enabling brute-force attempts to guess credentials.
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Analysis
by VulDB Data Team • 03/21/2026
The vulnerability identified as CVE-2026-32295 affects JetKVM versions prior to 0.5.4 and represents a critical authentication flaw that undermines the security posture of virtual machine console access systems. This issue stems from the absence of rate limiting mechanisms within the login request handling process, creating an exploitable condition that allows malicious actors to conduct systematic brute-force attacks against authentication endpoints. The vulnerability directly impacts the integrity of the authentication framework by removing any barriers that would typically prevent automated credential guessing attempts, effectively weakening the security controls that should protect access to virtualized environments.
The technical implementation of this flaw resides in the application's authentication subsystem where login requests are processed without any form of request throttling or rate limiting. This absence of protective measures means that an attacker can submit an unlimited number of login attempts within a short time frame, making it possible to exhaustively test credential combinations through automated tools. The vulnerability manifests as a failure to implement basic security controls that should be inherent to any authentication system, creating a pathway for unauthorized access that could potentially lead to complete system compromise. The lack of rate limiting represents a fundamental security oversight that directly violates established security principles for protecting authentication mechanisms.
The operational impact of this vulnerability extends beyond simple credential guessing, as it creates opportunities for more sophisticated attack vectors including credential stuffing and account lockout enumeration. Attackers can leverage this weakness to systematically identify valid user accounts within the system, potentially leading to privilege escalation and unauthorized access to virtual machine resources. The vulnerability affects organizations that rely on JetKVM for remote console access to their virtual environments, making it particularly dangerous in cloud computing and data center scenarios where multiple virtual machines may be exposed to such attacks. The ease of exploitation means that even basic automated tools can effectively leverage this weakness to gain unauthorized access to critical infrastructure components.
Organizations should immediately implement mitigations including the installation of JetKVM version 0.5.4 or later which includes proper rate limiting functionality. Additionally, system administrators should configure network-level rate limiting using firewalls or load balancers to prevent excessive login attempts from any single source. The implementation of account lockout policies and multi-factor authentication can provide additional layers of protection against brute-force attacks. This vulnerability aligns with CWE-307, which addresses improper restriction of excessive authentication attempts, and maps to ATT&CK technique T1110.003 for Brute Force Attacks against authentication systems. Security monitoring should be enhanced to detect unusual login patterns and automated authentication attempts that could indicate exploitation of this vulnerability.