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CVE-2026-121652

Stored cross-site scripting (XSS) in AWS Amplify maplibre-gl-js-amplify popup rendering

Cross-site scripting (XSS) issue in AWS Amplify maplibre-gl-js-amplify before 4.0.3 might allow remote authenticated users to inject arbitrary web script or HTML via the (1) title, (2) address, or (3) place_name property in GeoJSON feature data rendered by popupRender, or the (4) geofenceId value rendered in AmplifyGeofenceControl. To remediate this issue, users should upgrade to 4.0.3 or later.

CVSS 4.0 · 4.8 Medium EPSS < 1% KEV · Not listed
Vendors
Aws
Products
Maplibre-gl-js-amplify
CVE-2026-119085

Template injection in the publishing component of awslabs Virtual Engineering Workbench

Improper neutralization of special elements used in a template engine in the publishing component of Amazon Virtual Engineering Workbench (VEW) could allow a remote authenticated third party to run arbitrary code with the permissions of the publishing Lambda's IAM role. This could allow access to data and resources across all tenant projects. The code is reachable through a crafted CloudFormation template body containing template engine directives submitted through the product versioning API. To remediate this issue, users should redeploy from the latest version of awslabs/virtual-engineering-workbench.

CVSS 4.0 · 9.4 Critical EPSS < 1% KEV · Not listed
Vendors
Aws
Products
Virtual-engineering-workbench
CVE-2026-115418

SQL injection in the database-query custom resource handlers in Amazon Web Services (AWS) Cloud Development Kit (CDK) @aws-cdk/aws-redshift-alpha

SQL injection in the database-query custom resource handlers in the Amazon Web Services (AWS) Cloud Development Kit (CDK) @aws-cdk/aws-redshift-alpha module before 2.274.0-alpha.0 could allow a third party who can influence construct property values to run SQL statements with Amazon Redshift superuser privileges, including granting access to all cluster users. The statements are reachable through crafted user names, comments, or passwords. To remediate this issue, users should upgrade to version 2.274.0-alpha.0 or later and review existing table grants to PUBLIC.

CVSS 4.0 · 7 High EPSS < 1% KEV · Not listed
Vendors
Aws
Products
Aws-cdk Aws-redshift-alpha
CVE-2026-120497

Stored cross-site scripting in the HTML report generator of aidlc-traceability in AWS AI-DLC Workflows

Stored cross-site scripting (XSS) in the HTML report generator in the aidlc-traceability CLI in AWS AI-DLC Workflows before 2026-07-03 might allow an actor who can modify a project's AI-DLC artifact files to execute arbitrary script in the browser of a user who opens a generated HTML traceability report via crafted artifact titles or descriptions. To remediate this issue, users should remove any local copy of the aidlc-traceability CLI obtained before 2026-07-03, or update it to commit 96cf0ea or later. The CLI was removed from the repository on 2026-07-16.

CVSS 4.0 · 4.6 Medium EPSS < 1% KEV · Not listed
Vendors
Aws
Products
Aidlc-traceability
CVE-2026-119301

Improper neutralization of quoting syntax in Apache Iceberg SQL identifier generation in AWS SDK for pandas

Improper neutralization of quoting syntax in SQL identifier construction in the Apache Iceberg write component in AWS SDK for pandas (also published as awswrangler) 3.5.2 through 3.17.0 might allow an authenticated remote user with permission to modify AWS Glue Data Catalog metadata to read any table that a separate, more privileged principal can access and write to the table that principal is updating via a crafted column name. To remediate this issue, users should upgrade to version 3.17.1 or later.

CVSS 4.0 · 5 Medium EPSS < 1% KEV · Not listed
Vendors
Aws
Products
Aws-sdk-pandas
CVE-2026-115845

Incomplete validation in the run_script Python sandbox in AWS MCP Server

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.

CVSS 4.0 · 5.3 Medium EPSS < 1% KEV · Not listed
Vendors
Aws
Products
Aws-mcp-server Aws Mcp Server
CVE-2026-115813

Server-side request forgery in the model download path in Amazon Web Services Multi Model Server

Server-side request forgery in the model download path in Amazon Web Services Multi Model Server 1.1.11 and earlier might allow remote actors to send requests to internal network destinations via a crafted model URL. Multi Model Server is end of life and no fixed version is available. Users should discontinue use of Multi Model Server and migrate to a supported model serving solution.

CVSS 4.0 · 6.9 Medium EPSS < 1% KEV · Not listed
Vendors
Aws
Products
Multi-model-server
CVE-2026-115812

Relative path traversal during model archive extraction in Amazon Web Services Multi Model Server

Relative path traversal during model archive extraction in Amazon Web Services Multi Model Server 1.1.11 and earlier might allow remote actors to execute arbitrary code via a crafted model archive. Multi Model Server is end of life and no fixed version is available. Users should discontinue use of Multi Model Server and migrate to a supported model serving solution.

CVSS 4.0 · 9.3 Critical EPSS < 1% KEV · Not listed
Vendors
Aws
Products
Multi-model-server
CVE-2026-115416

Incorrect authorization checks in Amazon Athena engine version 3 query processing

Incorrect authorization checks in Amazon Athena engine version 3 query processing could have allowed an authenticated user to read AWS account identifiers and SQL statement text query metadata from other AWS accounts. Query results, and data stored in Amazon S3 or other data sources, were not accessible through this issue. AWS remediated the issue on October 7, 2026. No customer action is required.

CVSS 4.0 · 6.3 Medium EPSS < 1% KEV · Not listed
Vendors
Aws
Products
Amazon Athena
CVE-2026-119116

Use-after-free in the SetClient command handler of kmstool-enclave in AWS aws-nitro-enclaves-sdk-c

A use-after-free and double-free issue in the SetClient command handler of the kmstool-enclave sample application of AWS aws-nitro-enclaves-sdk-c before 0.4.6 may allow an application that runs on the parent EC2 instance to corrupt heap memory inside a Nitro Enclave which may lead to arbitrary code execution within the enclave. To remediate this issue, users should rebuild any enclave image that includes kmstool-enclave, or code derived from it, against aws-nitro-enclaves-sdk-c 0.4.6.

CVSS 4.0 · 8.7 High EPSS < 1% KEV · Not listed
Vendors
Aws
Products
Kmstool-enclave
CVE-2026-119117

Insertion of sensitive information into a log file and process argument list in the Amazon Kinesis Producer Library for Java

Insertion of sensitive information into a log file in Amazon Kinesis Producer Library for Java before 1.0.8, when the library's logger is configured at DEBUG log level, might allow local users to obtain the AWS credentials that the library resolved for the application. Separately, affected versions of the library pass these credentials to the native child process as command-line arguments, where a local user can read them from the process argument list. To remediate this issue, users should upgrade to version 1.0.8 or later, rotate any long-term IAM user keys, revoke active role sessions where needed, and restrict or redact log data written by an affected version. 0.x users should migrate to software.amazon.kinesis:amazon-kinesis-producer 1.0.8 or later.

CVSS 4.0 · 8.2 High EPSS < 1% KEV · Not listed
Vendors
Aws
Products
Amazon-kinesis-producer
CVE-2026-115419

Unintended disclosure of data element to wrong session in Strands Agents SDK A2A Server

The A2A server component in Amazon Strands Agents SDK for Python before 1.43.0 and Amazon Strands Agents SDK for TypeScript before 1.5.0 does not properly isolate conversation state between callers. An authenticated remote user could read other tenants' conversation history and add persistent instructions that alter model behavior for subsequent callers via HTTP requests to the A2A endpoint using a different context_id. To mitigate this issue, users should upgrade to strands-agents 1.43.0 (Python) or @strands-agents/sdk 1.5.0 (TypeScript).

CVSS 4.0 · 8.6 High EPSS < 1% KEV · Not listed
Vendors
Aws
Products
Strands-agents Strands-agents Sdk
CVE-2026-119148

Unvalidated parent-supplied AWS Region in AWS aws-nitro-enclaves-sdk-c allows impersonation of the enclave's AWS KMS endpoint

Incomplete string validation in AWS aws-nitro-enclaves-sdk-c before 0.4.6 may allow a third party to impersonate the AWS KMS endpoint. To remediate this issue, users should rebuild any custom enclave image against aws-nitro-enclaves-sdk-c 0.4.6.

CVSS 4.0 · 8.2 High EPSS < 1% KEV · Not listed
Vendors
Aws
Products
Aws-nitro-enclaves-sdk-c
CVE-2026-112408

Missing bucket ownership verification in Amazon SageMaker Python SDK default_bucket()

Missing verification of source of a communication channel in the default_bucket() function in Amazon SageMaker Python SDK V3 before 3.10.0 and V2 before 2.257.3 might allow remote actors to achieve code execution in the target SageMaker execution environment and obtain IAM credentials via pre-creation of a predictably named S3 bucket that the SDK uses without ownership validation. To remediate this issue, users should upgrade to Amazon SageMaker Python SDK 3.10.0 (V3) or 2.257.3 (V2).

CVSS 4.0 · 9.4 Critical EPSS < 1% KEV · Not listed
Vendors
Aws
Products
Amazon Sagemaker Python Sdk
CVE-2026-115417

Memory allocation with excessive size value in the MQTT 3.1.1 compatibility adapter in aws-c-mqtt

Memory allocation with excessive size value in the MQTT 3.1.1 compatibility adapter in AWS aws-c-mqtt before 0.16.2 might allow a remote actor to cause a denial of service of the client application. To remediate this issue, users should upgrade to aws-c-mqtt 0.16.2 or later, or to an AWS Common Runtime or AWS IoT Device SDK release that bundles it.

CVSS 4.0 · 8.2 High EPSS < 1% KEV · Not listed
Vendors
Aws
Products
Aws-c-mqtt
CVE-2026-112407

Incorrect privilege assignment in AWS CICD-toolchain-for-serverless-applications

Incorrect privilege assignment in the IAM policy of AWS CICD-toolchain-for-serverless-applications 1.0.7 through 1.0.10 allows remote authenticated users with push access to the application source repository to escalate privileges and access or modify resources outside the application stack in the same AWS account via application templates deployed by the toolchain pipeline. To remediate this issue, users should upgrade existing toolchain stacks to version 1.0.11 or later.

CVSS 4.0 · 8.7 High EPSS < 1% KEV · Not listed
Vendors
Aws
Products
Cicd-toolchain-for-serverless-applications
CVE-2026-15895

OS command injection in jsii-diff in AWS jsii

OS command injection in the npm package loading component in AWS jsii-diff before 1.131.0 might allow context-dependent attackers to execute arbitrary commands via crafted package specifiers passed to the npm: source argument. To mitigate this issue, users should upgrade to jsii-diff v1.131.0 or later.

CVSS 4.0 · 8.4 High EPSS 1.1% KEV · Not listed
Vendors
Aws
Products
Jsii
CVE-2026-15643

AWS HealthLake MCP Server SSRF via Pagination URL

AWS HealthLake MCP Server (awslabs.healthlake-mcp-server) is a Model Context Protocol server that enables AI assistants to interact with AWS HealthLake FHIR datastores. A server-side request forgery in the pagination handling component in AWS awslabs.healthlake-mcp-server before 0.0.14 on all platforms might allow a remote authenticated user to exfiltrate AWS temporary security credentials to an arbitrary endpoint via a crafted next_token parameter. The server does not validate that pagination URLs point back to the expected HealthLake endpoint, allowing an actor to redirect subsequent requests to an actor-controlled server. Its recommended to upgrade to version 0.0.14 or later.

CVSS 4.0 · 9.2 Critical EPSS < 1% KEV · Not listed
Vendors
Aws
Products
Awslabs.healthlake-mcp-server
CVE-2026-18654

Disabled SSH host key verification in Amazon AWS CLI EMR helper commands

Key exchange without entity authentication in the EMR SSH helper commands in Amazon AWS CLI before 1.45.28 and AWS CLI v2 before 2.35.3 might allow man-in-the-middle attackers to intercept SSHsessions and file transfers via network positioning between the client and the EMR cluster endpoint. To remediate this issue, users should upgrade to AWS CLI v1 1.45.28 or later, or AWS CLI v2 2.35.3 or later.

CVSS 4.0 · 6.9 Medium EPSS < 1% KEV · Not listed
Vendors
Amazon Aws
Products
Aws Command Line Interface Aws-cli
CVE-2026-13769

Overly permissive File Permissions in AWS CLI

Overly permissive file permissions in AWS CLI before 1.44.78 (v1) and 2.34.29 (v2) on Unix-like systems where the umask has not been configured to restrict file permissions (the default on most systems) may allow other local users on the same host to read credentials written by certain CLI subcommands (aws codeartifact login, aws iam create-virtual-mfa-device, aws deploy register). To remediate this issue, users should upgrade to AWS CLI 1.44.78 (v1) or 2.34.29 (v2) or later.

CVSS 4.0 · 6.8 Medium EPSS < 1% KEV · Not listed
Vendors
Amazon Aws
Products
Aws Command Line Interface Aws Cli