Summaryinfo

A vulnerability was found in aws-mcp-server. It has been declared as critical. This affects an unknown part of the component CLI Command Handler. Such manipulation leads to command injection. This vulnerability is referenced as CVE-2026-5059. It is possible to launch the attack remotely. No exploit is available.

Detailsinfo

A vulnerability was found in aws-mcp-server (version now known) and classified as critical. Affected by this issue is some unknown processing of the component CLI Command Handler. The manipulation with an unknown input leads to a command injection vulnerability. Using CWE to declare the problem leads to CWE-77. The product constructs all or part of a command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended command when it is sent to a downstream component. Impacted is confidentiality, integrity, and availability.

The advisory is available at zerodayinitiative.com. This vulnerability is handled as CVE-2026-5059. The exploitation is known to be easy. The attack may be launched remotely. No form of authentication is required for exploitation. The technical details are unknown and an exploit is not available. The structure of the vulnerability defines a possible price range of USD $0-$5k at the moment (estimation calculated on 03/31/2026). This vulnerability is assigned to T1202 by the MITRE ATT&CK project.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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• aws-mcp-server

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