CVE-2026-115413

Missing token audience validation in the OAuth authentication mode of AWS API MCP Server before version 1.6.0 might allow local users to run AWS operations with the server's configured AWS credentials via an access token issued to another application by the same identity provider. To remediate th...

EUVD-2026-111349

Missing token audience validation in the OAuth authentication mode of AWS API MCP Server before version 1.6.0 might allow local users to run AWS operations with the server's configured AWS credentials via an access token issued to another application by the same identity provider. To remediate th...

CVE-2026-115413

Missing token audience validation in the OAuth authentication mode of AWS API MCP Server before version 1.6.0 might allow local users to run AWS operations with the server's configured AWS credentials via an access token issued to another application by the same identity provider. To remediate th...

CVE-2026-115413 AWS API MCP Server OAuth Token Audience Validation Bypass

Missing token audience validation in the OAuth authentication mode of AWS API MCP Server before version 1.6.0 might allow local users to run AWS operations with the server's configured AWS credentials via an access token issued to another application by the same identity provider. To remediate th...

CVE-2026-115413

The AWS API MCP Server (versions prior to 1.6.0 ) is vulnerable to an OAuth Token Audience Validation Bypass . The root cause is a failure to validate the token audience in the OAuth authentication mode. This allows a local user to execute AWS operations using the server's configured AWS credenti...

PT-2026-127197

Name of the Vulnerable Software and Affected Versions AWS API MCP Server versions prior to 1.6.0 Description In the OAuth authentication mode, the server fails to validate the token audience. While the server verifies the token signature, issuer, and expiry, it does not check if the token was...

CVE-2026-115413: Origin Validation Error

Missing token audience validation in the OAuth authentication mode of AWS API MCP Server before version 1.6.0 might allow local users to run AWS operations with the server's configured AWS credentials via an access token issued to another application by the same identity provider. To remediate th...

awslabs-dynamodb-mcp-server (>=2.0.4, <=2.1.9) potentially affected by CVE-2026-16584 via awslabs-aws-api-mcp-server (>=1.0.2, <=1.3.24)

awslabs-aws-api-mcp-server PYPI version =1.0.2, =2.0.4, =2.1.9 Source cves: CVE-2026-16584 Source advisory: OSV:PYSEC-2026-3549...

AWS API MCP Server Security Policy Bypass via Startup Initialization Failure

SummaryThe AWS API MCP Server is an open source Model Context Protocol MCP server that enables AI assistants to interact with AWS services and resources through AWS CLI commands. It provides programmatic access to manage your AWS infrastructure while maintaining proper security controls. It...

AWS API MCP Server Security Policy Bypass via Startup Initialization Failure

Summary The AWS API MCP Server is an open source Model Context Protocol MCP server that enables AI assistants to interact with AWS services and resources through AWS CLI commands. It provides programmatic access to manage your AWS infrastructure while maintaining proper security controls. It...

awslabs-dynamodb-mcp-server (>=2.0.4, <=2.1.9) potentially affected by CVE-2026-16584 via awslabs-aws-api-mcp-server (>=1.0.2, <=1.3.24)

awslabs-aws-api-mcp-server PYPI version =1.0.2, =2.0.4, =2.1.9 Source cves: CVE-2026-16584 Source advisory: OSV:GHSA-29W2-FQ35-V728...

CVE-2026-16584

Improper handling of an initialization failure in AWS API MCP Server from 0.2.13 through 1.3.46 might allow an actor to bypass the user-configured security policy and execute AWS API operations that the policy was set to deny or gate. When initialization of the security policy enforcement data...

CVE-2026-16584: Non-exit on Failed Initialization

Improper handling of an initialization failure in AWS API MCP Server from 0.2.13 through 1.3.46 might allow an actor to bypass the user-configured security policy and execute AWS API operations that the policy was set to deny or gate. When initialization of the security policy enforcement data...

awslabs-dynamodb-mcp-server (>=2.0.4, <=2.0.19) potentially affected by CVE-2026-4270 via awslabs-aws-api-mcp-server (1.0.2)

awslabs-aws-api-mcp-server PYPI version 1.0.2 is affected by a known vulnerability. The following packages have a transitive dependency on awslabs-aws-api-mcp-server and may be impacted: - awslabs-dynamodb-mcp-server =2.0.4, =2.0.19 Source cves: CVE-2026-4270 Source advisory: GHSA-2CPP-J2FC-QHP7...

awslabs-dynamodb-mcp-server (>=2.0.4, <=2.0.19) potentially affected by CVE-2026-4270 via awslabs-aws-api-mcp-server (1.0.2)

awslabs-aws-api-mcp-server PYPI version 1.0.2 is affected by a known vulnerability. The following packages have a transitive dependency on awslabs-aws-api-mcp-server and may be impacted: - awslabs-dynamodb-mcp-server =2.0.4, =2.0.19 Source cves: CVE-2026-4270 Source advisory: OSV:GHSA-2CPP-J2FC-Q...

awslabs-dynamodb-mcp-server (>=2.0.4, <=2.0.19) potentially affected by CVE-2026-4270 via awslabs-aws-api-mcp-server (1.0.2)

awslabs-aws-api-mcp-server PYPI version 1.0.2 is affected by a known vulnerability. The following packages have a transitive dependency on awslabs-aws-api-mcp-server and may be impacted: - awslabs-dynamodb-mcp-server =2.0.4, =2.0.19 Source cves: CVE-2026-4270 Source advisory: OSV:PYSEC-2026-162...

CVE-2026-4270

Improper Protection of Alternate Path exists in the no-access and workdir feature of the AWS API MCP Server versions = 0.2.14 and 1.3.9 on all platforms may allow the bypass of intended file access restriction and expose arbitrary local file contents in the MCP client application context. To...

awslabs-dynamodb-mcp-server (>=2.0.4, <=2.0.19) potentially affected by CVE-2026-4270 via awslabs-aws-api-mcp-server (1.0.2)

awslabs-aws-api-mcp-server PYPI version 1.0.2 is affected by a known vulnerability. The following packages have a transitive dependency on awslabs-aws-api-mcp-server and may be impacted: - awslabs-dynamodb-mcp-server =2.0.4, =2.0.19 Source cves: CVE-2026-4270 Source advisory: MEND:CVE-2026-4270...

CVE-2026-4270: Improper Protection of Alternate Path

Improper Protection of Alternate Path exists in the no-access and workdir feature of the AWS API MCP Server versions = 0.2.14 and 1.3.9 on all platforms may allow the bypass of intended file access restriction and expose arbitrary local file contents in the MCP client application context. To...