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2 vulnerabilities found for AWS MCP Server by AWS
CVE-2026-115845 (GCVE-0-2026-115845)
Vulnerability from nvd – Published: 2026-10-23 19:04 – Updated: 2026-10-23 19:04 Exclusively Hosted Service
VLAI
EPSS
VEX
Title
Incomplete validation in the run_script Python sandbox in AWS MCP Server
Summary
An incomplete list of disallowed inputs in the Python code validator of the run_script tool in AWS MCP Server might allow an authenticated remote user to execute arbitrary code within their own isolated session environment via a crafted script.
AWS fixed this issue service-side. No customer action is required.
Severity
6.4 (Medium)
CWE
- CWE-184 - Incomplete list of disallowed inputs
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://aws.amazon.com/security/security-bulletin… | vendor-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| AWS | AWS MCP Server |
Affected:
N/A
(custom)
cpe:2.3:a:aws:aws_mcp_server:n_a:*:*:*:*:*:*:* |
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CVE-2026-115845 (GCVE-0-2026-115845)
Vulnerability from cvelistv5 – Published: 2026-10-23 19:04 – Updated: 2026-10-23 19:04 Exclusively Hosted Service
VLAI
EPSS
VEX
Title
Incomplete validation in the run_script Python sandbox in AWS MCP Server
Summary
An incomplete list of disallowed inputs in the Python code validator of the run_script tool in AWS MCP Server might allow an authenticated remote user to execute arbitrary code within their own isolated session environment via a crafted script.
AWS fixed this issue service-side. No customer action is required.
Severity
6.4 (Medium)
CWE
- CWE-184 - Incomplete list of disallowed inputs
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://aws.amazon.com/security/security-bulletin… | vendor-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| AWS | AWS MCP Server |
Affected:
N/A
(custom)
cpe:2.3:a:aws:aws_mcp_server:n_a:*:*:*:*:*:*:* |
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