CVE-2026-23800 in Modular DS Plugin
Summary
by MITRE • 01/16/2026
Incorrect Privilege Assignment vulnerability in Modular DS modular-connector allows Privilege Escalation.This issue affects Modular DS: from 2.5.2 before 2.6.0.
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Analysis
by VulDB Data Team • 01/16/2026
The vulnerability identified as CVE-2026-23800 represents a critical privilege assignment flaw within the Modular DS modular-connector component that enables unauthorized privilege escalation attacks. This issue exists in versions of the Modular DS software ranging from 2.5.2 through the vulnerable state before version 2.6.0, creating a window of opportunity for attackers to exploit the system's access control mechanisms. The root cause of this vulnerability lies in the improper handling of privilege levels during module communication and system operations, where the software fails to correctly validate or enforce access controls between different privilege contexts.
The technical implementation of this vulnerability stems from inadequate privilege validation within the modular-connector's internal architecture, which allows lower-privileged processes or modules to manipulate or assume higher privileges without proper authorization checks. This flaw typically manifests when the system's privilege assignment logic does not adequately verify the authenticity or legitimacy of privilege requests, enabling malicious actors to elevate their access level through carefully crafted module interactions or system calls. The vulnerability can be exploited through various attack vectors including module injection, communication protocol manipulation, or by leveraging existing legitimate access points to manipulate the privilege assignment process.
The operational impact of this vulnerability extends beyond simple unauthorized access, as it fundamentally compromises the system's security model and trust boundaries. Attackers who successfully exploit this vulnerability can gain elevated privileges that allow them to execute arbitrary code, modify critical system components, access sensitive data, or potentially establish persistent backdoors within the Modular DS environment. The implications are particularly severe given that this affects the modular-connector component, which likely serves as a communication hub between different system modules, making it a prime target for attackers seeking to compromise the entire system architecture. This vulnerability directly violates the principle of least privilege and can lead to complete system compromise.
Mitigation strategies for CVE-2026-23800 should prioritize immediate software updates to version 2.6.0 or later, which contains the necessary patches to address the privilege assignment flaw. Organizations should implement comprehensive access control reviews and privilege audits to identify any potential exploitation that may have occurred before the patch was applied. Network segmentation and monitoring should be enhanced to detect unusual privilege escalation patterns or unauthorized module communications. Additionally, security teams should conduct thorough penetration testing to verify the effectiveness of the applied patches and ensure no residual vulnerabilities remain. This vulnerability aligns with CWE-276, which specifically addresses incorrect privilege assignment, and could be categorized under ATT&CK technique T1068 for local privilege escalation, making it a critical priority for security operations teams to address immediately.