CVE-2026-107322 in Databases-on-AWS Plugin
Summary
by MITRE • 10/08/2026
An incomplete list of disallowed inputs in Amazon Agent Plugins for AWS databases-on-aws plugin before 1.7.1 might allow a remote unauthenticated actor to execute arbitrary operating system commands on the host running the helper via a crafted database command value introduced in the agent context.
To remediate this issue, users should upgrade to databases-on-aws plugin version 1.7.1 or later and verify that the updated plugin is active in each environment where it is used.
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Analysis
by VulDB Data Team • 10/08/2026
The vulnerability identified involves a critical input validation flaw within the AWS Agent Plugins for the databases-on-aws service, specifically affecting versions prior to 1.7.1. This security deficiency stems from an incomplete list of disallowed inputs, which creates a pathway for remote unauthenticated actors to exploit the system. The core technical issue lies in how the agent processes database commands introduced within its operational context. When a user or automated process submits a command intended for database management, the plugin fails to adequately sanitize or restrict certain characters and sequences that are typically used in operating system command injection attacks. This lack of rigorous input filtering allows malicious payloads to bypass expected boundaries and interact directly with the underlying host environment rather than being confined to the intended database interface.
From an operational perspective, this vulnerability poses a severe risk because it enables arbitrary operating system command execution on the host machine running the helper process. Since the agent typically runs with elevated privileges necessary to manage cloud resources, successful exploitation grants an attacker full control over the underlying infrastructure. This can lead to complete compromise of the instance, including data exfiltration, lateral movement within a network, or deployment of additional malware such as cryptominers or ransomware. The fact that this attack vector is remote and unauthenticated significantly lowers the barrier for entry, allowing any entity with network access to attempt exploitation without needing valid credentials first. This aligns closely with CWE-78 Improper Neutralization of Special Elements used in an OS Command, commonly known as OS Command Injection, where insufficient validation allows external input to dictate system-level operations.
The attack pattern associated with this vulnerability is consistent with techniques observed in the MITRE ATT&CK framework, particularly those involving command and script interpretation or execution through agent-based interfaces. Attackers can leverage crafted database commands to execute shell commands, effectively turning a routine administrative task into a vehicle for remote code execution. This type of flaw often goes undetected by standard perimeter defenses because it occurs within the context of legitimate application traffic until the malicious payload is executed on the host. The impact extends beyond immediate compromise; it undermines the integrity and availability of cloud workloads, potentially violating compliance requirements related to data protection and system hardening in regulated industries.
To remediate this critical security issue, organizations must upgrade their AWS Agent Plugins for databases-on-aws to version 1.7.1 or later immediately. This updated release addresses the input validation gaps by implementing stricter filtering mechanisms that prevent dangerous characters from being passed through to the operating system layer. It is imperative not only to perform the software update but also to verify that the new plugin version is actively running in all environments where it is deployed. Automated configuration management tools should be utilized to ensure consistency across fleets of instances, preventing any legacy or unpatched agents from remaining operational. Additionally, implementing network segmentation and least-privilege access controls can further mitigate risk by limiting which systems can communicate with the agent endpoints, thereby reducing the attack surface available to potential adversaries even if a vulnerability were present in other components.