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AWS Security Bulletins

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AWS Security Bulletins Security

CVE-2026-86831: Improper validation of pod identifier uniqueness in aws-network-policy-agent in Amazon EKS

Bulletin ID: 2026-113-AWS Scope: AWS Content Type: Important (requires attention) Publication Date: 09/16/2026 12:30 PM PDT Description: Network Policy Agent is an EKS Policy management feature. We identified CVE-2026-86831, a cross-namespace NetworkPolicy bypass in Amazon EKS Network Policy Agent (aws-network-policy-agent) before v1.4.0. Pod identifiers are constructed by concatenating the pod na…

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AWS Security Bulletins Security

CVE-2026-86830 - Incorrect privilege assignment in Temporary Elevated Access Management (TEAM) for AWS IAM Identity Center

Bulletin ID: 2026-112-AWS Scope: AWS Content Type: Important (requires attention) Publication Date: 09/14/2026 10:45 AM PDT Description: Temporary Elevated Access Management (TEAM) is an open source AWS sample solution for managing temporary elevated access via AWS IAM Identity Center. We identified CVE-2026-86830, where an authenticated user with application-level access could gain unintended tem…

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AWS Security Bulletins Security

CVE-2026-89332 - Kiro IDE Sensitive Workspace Data Exfiltration via Agent-Written Workspace Configuration

Bulletin ID: 2026-111-AWS Scope: AWS Content Type: Important (requires attention) Publication Date: 09/11/2026 12:00 PM PDT Description: Kiro IDE is an agentic development environment that makes it easy for developers to ship real engineering work with the help of AI agents. We identified CVE-2026-89332, where the Kiro agent could modify a workspace's settings file in an untrusted workspace in Kir…

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AWS Security Bulletins Security

CVE-2026-89090 - Denial of service in the event stream header decoder in AWS SDK for Go v2

Bulletin ID: 2026-110-AWS Scope: AWS Content Type: Important (requires attention) Publication Date: 09/11/2026 10:00 AM PDT Description: An issue exists in the the EventStream header decoder in AWS SDK for Go v2 in versions predating 2026-03-23. An actor can send a malformed EventStream response frame containing a crafted header value type byte outside the valid range, which can cause the host pro…

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AWS Security Bulletins Security

CVE-2026-18061 - XML External Entity (XXE) in AWS Advanced JDBC Wrapper RemoteQueryCachePlugin

Bulletin ID: 2026-109-AWS Scope: AWS Content Type: Important (requires attention) Publication Date: 09/11/2026 09:30 AM PDT Description: The AWS Advanced JDBC Wrapper is an open-source library that enhances existing JDBC drivers with AWS-specific capabilities such as Aurora failover, IAM authentication, and automated SQL query caching for applications connecting to Amazon Aurora, RDS MySQL, and RD…

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AWS Security Bulletins Security

CVE-2026-89065 and CVE-2026-89066: Issue with projen - Path traversal and OS command injection

Bulletin ID: 2026-108-AWS Scope: AWS Content Type: Important (requires attention) Publication Date: 09/11/2026 09:00 AM PDT Description: projen is an open-source tool for defining and synthesizing software project configurations as code. AWS identified two issues in projen affecting the generated file manifest cleanup component and the task synthesis component. - CVE-2026-89065 — Relative path tra…

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AWS Security Bulletins Security

CVE-2026-89049 - Server-side request forgery in the Session Manager port forwarding functionality in AWS Systems Manager Agent

Bulletin ID: 2026-107-AWS Scope: AWS Content Type: Important (requires attention) Publication Date: 09/10/2026 11:30 AM PDT Description: AWS Systems Manager Agent (SSM Agent) is software that runs on managed nodes (EC2 instances, on-premises servers, and other supported machines) and processes requests from the AWS Systems Manager service, enabling capabilities including Session Manager port forwa…

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AWS Security Bulletins Security

CVE-2026-85228 - Integer overflow in tensor buffer validation in Deep Java Library

Bulletin ID: 2026-106-AWS Scope: AWS Content Type: Important (requires attention) Publication Date: 09/10/2026 10:00 AM PDT Description: Deep Java Library (DJL) is an open-source, engine-agnostic Java framework for deep learning, developed and maintained by Amazon. AWS identified CVE-2026-85228, an integer overflow in the tensor buffer validation component of DJL on all platforms. A crafted tensor…

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AWS Security Bulletins Security

CVE-2026-87912 and CVE-2026-87913: Missing S3 bucket ownership verification in the AWS Security Agent plugin for aws-agents-for-devsecops and MCP Server

Bulletin ID: 2026-105-AWS Scope: AWS Content Type: Important (requires attention) Publication Date: 09/10/2026 08:30 AM PDT Description: AWS Security Agent is a managed AWS service that provides AI-powered code security reviews, threat modeling, and penetration testing. We identified CVE-2026-87912, where a missing S3 bucket ownership verification in the AWS Security Agent plugin in Amazon aws-age…

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AWS Security Bulletins Security

CVE-2026-85656 - OS command injection in Amazon log4j-cve-2021-44228-hotpatch

Bulletin ID: 2026-098-AWS Scope: AWS Content Type: Important (requires attention) Publication Date: 09/04/2026 10:30 AM PDT Description: log4j-cve-2021-44228-hotpatch is a tool which injects a Java agent into a running JVM process. The agent will attempt to patch the lookup() method of all loaded org.apache.logging.log4j.core.lookup.JndiLookup instances to unconditionally return the string "Patche…

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AWS Security Bulletins Security

CVE-2026-18420 - Remote Code Execution via Prototype Pollution in OpenSearch Dashboards TSVB Plugin

Bulletin ID: 2026-085-AWS Scope: AWS Content Type: Important (requires attention) Publication Date: 08/20/2026 13:30 PM PDT Description: Improper input validation in the Time Series Visual Builder (TSVB) plugin in OpenSearch Dashboards before 3.8 allows a remote authenticated user with standard data access permissions to execute arbitrary code on the server by sending a crafted JSON payload to the…

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AWS Security Bulletins Security

CVE-2026-18733 - Prompt injection bypasses shell tool consent gate in Strands Agents Tools

Bulletin ID: 2026-072-AWS Scope: AWS Content Type: Important (requires attention) Publication Date: 08/03/2026 13:30 PM PDT Description: Strands Agents is an open-source SDK for building AI agents. The strands-agents-tools package provides pre-built tools for use with the SDK, including the shell tool for executing operating system commands on the agent's host. We identified CVE-2026-18733. The sh…

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AWS Security Bulletins Security

CVE-2026-77810 - Issue with Athena Federated Query Neptune Connector

Bulletin ID: 2026-087-AWS Scope: AWS Content Type: Important (requires attention) Publication Date: 08/21/2026 12:30 PM PDT Description: Amazon Athena is a serverless, interactive query service that lets you analyze data directly in Amazon S3 using standard SQL. Athena Query Federation is a feature that allows you to connect to data sources outside of Amazon S3 like DynamoDB, Azure Synapse, and cu…

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AWS Security Bulletins Security

CVE-2026-85028: Creation of Temporary File in Directory with Insecure Permissions in AWS FPGA Development Kit

Bulletin ID: 2026-096-AWS Scope: AWS Content Type: Important (requires attention) Publication Date: 09/03/2026 11:00 AM PDT Description: The AWS FPGA Developer Kit is a hardware-software development kit that enables developers to create accelerators for the high-performance accelerator cards on EC2 F2 instances. We identified CVE-2026-85028, where a creation of a temporary file in a directory with…

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AWS Security Bulletins Security

CVE-2026-85787 - An incomplete list of disallowed inputs in the SQL validation component in Amazon awslabs postgres-mcp-server to modify data beyond the read-only scope

Bulletin ID: 2026-101-AWS Scope: AWS Content Type: Important (requires attention) Publication Date: 09/04/2026 13:00 PM PDT Description: We have identified CVE-2026-85787, an incomplete list of disallowed inputs in the SQL validation component in Amazon awslabs postgres-mcp-server before version 1.1.7 might allow an unauthenticated actor to modify data beyond the read-only scope by placing crafted…

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AWS Security Bulletins Security

CVE-2026-18952 - Missing Input Validation in OpenSearch Security Analytics Plugin

Bulletin ID: 2026-079-AWS Scope: AWS Content Type: Important (requires attention) Publication Date: 08/12/2026 11:45 AM PDT Description: OpenSearch is a community-driven, open-source search and analytics suite. We identified CVE-2026-18952, a missing input validation issue in the threat intelligence feed parser of the OpenSearch Security Analytics plugin. This issue may allow an authenticated user…

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AWS Security Bulletins Security

CVE-2026-85788 - Issue with awslabs mysql-mcp-server

Bulletin ID: 2026-103-AWS Scope: AWS Content Type: Important (requires attention) Publication Date: 09/09/2026 09:30 AM PDT Description: We identified an issue in awslabs.mysql-mcp-server (an open-source, self-hosted Model Context Protocol server distributed via github.com/awslabs/mcp and PyPI). In affected versions, under certain conditions the read-only enforcement could be circumvented via SQL…

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AWS Security Bulletins Security v1.1.6

CVE-2026-84851- Uncontrolled recursion in the Ion reader in Amazon Ion-C before 1.1.6

Bulletin ID: 2026-094-AWS Scope: AWS Content Type: Important (requires attention) Publication Date: 09/02/2026 13:30 AM PDT Description: Amazon Ion-C (ion-c) is the C implementation of the Amazon Ion data serialization format. It is distributed as an open-source library (amazon-ion/ion-c) that applications embed to read and write Ion text and binary data. We identified CVE-2026-84851, an uncontrol…

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AWS Security Bulletins Security

CVE-2026-84942 - Stored Cross-Site Scripting via Vega Expression Function Bypass in OpenSearch Dashboards

Bulletin ID: 2026-102-AWS Scope: AWS Content Type: Important (requires attention) Publication Date: 09/08/2026 12:30 PM PDT Description: A stored cross-site scripting (XSS) issue in the Vega expression function implementation in OpenSearch Dashboards allows a remote authenticated actor with dashboard write permissions to execute arbitrary JavaScript in the context of other users' browser sessions…

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AWS Security Bulletins Security

CVE-2026-85654 - Code injection in the CDK generator in Amazon awslabs.dynamodb-mcp-server

Bulletin ID: 2026-097-AWS Scope: AWS Content Type: Important (requires attention) Publication Date: 09/04/2026 10:00 AM PDT Description: Amazon awslabs.dynamodb-mcp-server is an open-source Model Context Protocol (MCP) server that enables AI coding assistants to interact with Amazon DynamoDB, including table design, data modeling, and CDK infrastructure generation. We identified CVE-2026-85654, an…

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AWS Security Bulletins Security

CVE-2026-85786 - Incomplete fix for CVE-2026-75936 memory-amplification denial of service in Amazon ion-java

Bulletin ID: 2026-100-AWS Scope: AWS Content Type: Important (requires attention) Publication Date: 09/04/2026 12:30 PM PDT Description: ion-java is a Java library that implements the Amazon Ion data format specification. We identified CVE-2026-85786, memory-amplification denial of service via highly compressed data expansion. ion-java 1.12.0 added a GZIP auto-decompression opt-out for CVE-2026-75…

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AWS Security Bulletins Security

CVE-2026-85781 - Unverified access point ownership in Amazon EFS CSI Driver

Bulletin ID: 2026-099-AWS Scope: AWS Content Type: Important (requires attention) Publication Date: 09/04/2026 11:45 AM PDT Description: The Amazon EFS CSI Driver is an open-source Kubernetes Container Storage Interface (CSI) driver that lets Kubernetes workloads use Amazon EFS file systems. We identified CVE-2026-85781, an issue in the driver's volume-deletion logic. When the controller is config…

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AWS Security Bulletins Security

CVE-2026-85012 - OS command injection in the Amazon CodeCatalyst blueprints SDK

Bulletin ID: 2026-095-AWS Scope: AWS Content Type: Important (requires attention) Publication Date: 09/03/2026 10:00 AM PDT Description: Amazon CodeCatalyst blueprints are reusable project templates that generate a software project. The @amazon-codecatalyst/blueprints.blueprint npm package is the open source framework that blueprint authors build on, published from github.com/aws/codecatalyst-blue…

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AWS Security Bulletins Security

CVE-2026-83551 - Cleartext storage of HMAC signing key in Amazon SageMaker Python SDK

Bulletin ID: 2026-093-AWS Scope: AWS Content Type: Important (requires attention) Publication Date: 09/01/2026 11:00 AM PDT Description: SageMaker Python SDK's @step and @remote decorator pipeline component uses an HMAC key to protect the integrity of serialized function payloads stored in S3. We identified an issue where the HMAC secret key is stored in cleartext within pipeline definitions and a…

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AWS Security Bulletins Security

CVE-2026-83497 - OpenSearch SQL Plugin - Unrestricted Java Deserialization in Cursor Pagination

Bulletin ID: 2026-092-AWS Scope: AWS Content Type: Important (requires attention) Publication Date: 08/31/2026 11:30 AM PDT Description: OpenSearch is an open-source search and analytics engine. We identified CVE-2026-83497 where a remote authenticated user with basic read/search permissions can run arbitrary code on the server by providing a crafted cursor parameter to the plugins/sql endpoint. A…

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AWS Security Bulletins Security

CVE-2026-81849 - Path traversal in the aws:downloadContent plugin in amazon-ssm-agent

Bulletin ID: 2026-091-AWS Scope: AWS Content Type: Important (requires attention) Publication Date: 08/28/2026 11:00 AM PDT Description: AWS Systems Manager Agent (amazon-ssm-agent) is Amazon software that runs on Amazon Elastic Compute Cloud (Amazon EC2) instances, edge devices, on-premises servers, and virtual machines (VMs). Amazon-ssm-agent makes it possible for Systems Manager to update, mana…

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AWS Security Bulletins Security

CVE-2026-81838 - Zip Slip path traversal in awsdac (diagram-as-code)

Bulletin ID: 2026-090-AWS Scope: AWS Content Type: Important (requires attention) Publication Date: 08/27/2026 13:00 PM PDT Description: awsdac (diagram-as-code) is a CLI tool that generates AWS architecture diagrams from YAML definitions, enabling version-controlled, code-driven diagramming. We identified CVE-2026-81838, a Zip Slip (path traversal) issue. When awsdac extracts a zip archive refere…

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AWS Security Bulletins Security

CVE-2026-78379 - Consent bypass in Strands Agents Tools python_repl tool

Bulletin ID: 2026-089-AWS Scope: AWS Content Type: Important (requires attention) Publication Date: 08/25/2026 12:00 PM PDT Description: Strands Agents is an open-source Python SDK for building and running AI agents. The strands-agents-tools package provides pre-built tools for use with the SDK, including the python_repl tool, which executes Python code on the agent's host, and the batch tool, whi…

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AWS Security Bulletins Security

CVE-2026-77811 - Stored Cross-Site Scripting via Integration Template Asset in OpenSearch Dashboards

Bulletin ID: 2026-088-AWS Scope: AWS Content Type: Important (requires attention) Publication Date: 08/21/2026 13:00 PM PDT Description: Amazon OpenSearch Service is a managed service that makes it easy to deploy, operate, and scale OpenSearch clusters. We identified CVE-2026-77811, a stored cross-site scripting issue in the dashboards-observability plugin in OpenSearch Dashboards. Improper input…