SCA: security update for aws-mcp (GHSA-fgmx-xfp3-w28p)

critical Tenable Self-Hosted Container Security Plugin ID 477673

Description

There are packages installed that are affected by a vulnerability referenced in the following CVE:

- aws-mcp-server AWS CLI Command Injection Remote Code Execution Vulnerability. This vulnerability allows
remote attackers to execute arbitrary code on affected installations of aws-mcp-server. Authentication is
not required to exploit this vulnerability. The specific flaw exists within the handling of the allowed
commands list. The issue results from the lack of proper validation of a user-supplied string before using
it to execute a system call. An attacker can leverage this vulnerability to execute code in the context of
the MCP server. Was ZDI-CAN-27969. (CVE-2026-5059)

Solution

There is no known solution at this time.

Plugin Details

Severity: Critical

ID: 477673

Version: Revision 1.1

Type: Local

Family: SCA Checks

Published: 10/27/2026

Updated: 10/27/2026

Risk Information

VPR

Risk Factor: High

Score: 7.7

Percentile: 99.07

Vendor

Vendor Severity: Critical

CVSS v2

Risk Factor: Critical

Base Score: 10

Temporal Score: 7.8

Vector: CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:C

CVSS Score Source: CVE-2026-5059

CVSS v3

Risk Factor: Critical

Base Score: 9.8

Temporal Score: 8.8

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Temporal Vector: CVSS:3.0/E:P/RL:O/RC:C

Vulnerability Information

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 4/11/2026

Vulnerability Publication Date: 4/11/2026

Reference Information

CVE: CVE-2026-5059

cwe: CWE-78

Detections

Analytics