Daily advisories covering CVEs and security issues affecting AWS-native services: IAM, S3, EC2, EKS, ECS, Lambda, RDS, CloudTrail, KMS, and the broader AWS service catalogue. Each advisory includes severity, attack vector, and a practical recommendation for architects running workloads in AWS.

Looking for deeper context? Our practitioner guides cover the AWS security controls that matter most:

CVE-2026-14904: AWS RES Symlink File Read Flaw

CVE-2026-14904 in AWS Research and Engineering Studio lets authenticated users read root-accessible files via a symlink attack. Patch immediately.

🔴 Critical  |  AWS Security Bulletins  |  7 Jul 2026

AWS containerd CRI Flaws: CVE-2026-50195 & More

Five containerd CRI plugin vulnerabilities (CVE-2026-50195 and others) affect EKS, ECS, Fargate and more. Patch immediately to prevent host compromise.

🔴 Critical  |  AWS Security Bulletins  |  19 Jun 2026

CVE-2026-12043: AWS SDK HTTP/2 RCE Vulnerability

CVE-2026-12043 is a heap double-free in AWS Common Runtime aws-c-http that could allow a malicious server to achieve remote code execution on SDK clients.

🔴 Critical  |  AWS Security Bulletins  |  12 Jun 2026

CVE-2026-16796: AWS Bedrock AgentCore SDK Command Injection

CVE-2026-16796 affects AWS Bedrock AgentCore Python SDK versions below 1.18.1, enabling authenticated users to run arbitrary commands via install_packages(

🟠 High  |  AWS Security Bulletins  |  23 Jul 2025

CVE-2026-16756: Smithy-RS Slowloris DoS Vulnerability

CVE-2026-16756 in aws-smithy-http-server ≤0.66.4 allows unauthenticated Slowloris DoS attacks. Learn the impact and how to remediate.

🟠 High  |  AWS Security Bulletins  |  23 Jul 2025

CVE-2026-16584: AWS MCP Server Policy Bypass

CVE-2026-16584 allows security policy bypass in AWS API MCP Server (0.2.13–1.3.47) when startup fails. Update to 1.3.47 or enable fail-closed mode now.

🟠 High  |  AWS Security Bulletins  |  23 Jul 2025

CVE-2026-16317 & CVE-2026-16318: AWS s2n-tls Flaws

Two s2n-tls vulnerabilities: a TLS 1.3 AEAD bypass enabling silent record drops and a QUIC memory leak via HelloRetryRequest. AWS patch required.

🟠 High  |  AWS Security Bulletins  |  21 Jul 2025

CVE-2026-15957: smithy-rs DoS via Recursive Deserialisation

CVE-2026-15957 in smithy-rs allows unauthenticated remote DoS via stack exhaustion in JSON, CBOR, and XML deserialisers. Update aws-sdk-rust to release-202

🟠 High  |  AWS Security Bulletins  |  21 Jul 2025

CVE-2026-15415: AWS HealthOmics MCP Path Traversal

CVE-2026-15415 affects aws-healthomics-mcp-server <=0.0.35, enabling arbitrary file writes via path traversal in workflow linting tools. Patch now.

🟠 High  |  AWS Security Bulletins  |  17 Jul 2025

CVE-2026-12283: AWS Athena Synapse Connector Flaw

CVE-2026-12283 affects the AWS Athena Synapse Connector (2022–2026), allowing crafted table names to expose unintended data via federated queries.

🟠 High  |  AWS Security Bulletins  |  17 Jul 2025

CVE-2026-15895: AWS jsii-diff Command Injection Flaw

CVE-2026-15895 is an OS command injection flaw in AWS jsii-diff. Versions before 1.131.0 allow shell command execution via crafted CLI arguments.

🟠 High  |  AWS Security Bulletins  |  16 Jul 2025

CVE-2026-15737: AWS Bedrock AgentCore SDK Data Leak

CVE-2026-15737 exposes raw AI prompts and responses via CloudWatch Logs in AWS Bedrock AgentCore Python SDK versions 1.4.8 and 1.5.0.

🟠 High  |  AWS Security Bulletins  |  16 Jul 2025

CVE-2026-15746: SSRF & Credential Leak in AWS Strands Agents

CVE-2026-15746 exposes Elasticsearch API keys via SSRF in AWS Strands Agents Tools. Upgrade to v0.7.0+ and rotate credentials immediately.

🟠 High  |  AWS Security Bulletins  |  15 Jul 2025

CVE-2026-15738: AWS Load Balancer Controller Traffic Interce

CVE-2026-15738 in AWS Load Balancer Controller allows cross-namespace traffic interception via incorrect HTTPRoute/GRPCRoute priority ordering on shared AL

🟠 High  |  AWS Security Bulletins  |  14 Jul 2025

CVE-2026-15643: AWS HealthLake MCP Server SSRF

CVE-2026-15643 is an SSRF flaw in AWS HealthLake MCP Server before 0.0.14 that lets authenticated attackers steal AWS temporary credentials via a crafted p

🟠 High  |  AWS Security Bulletins  |  14 Jul 2025

CVE-2026-14471: SQL Injection in AWS mcp-gateway-registry

CVE-2026-14471 affects AWS mcp-gateway-registry v1.0.3–1.0.12, enabling authenticated SQL injection that exposes API keys and allows data tampering.

🟠 High  |  AWS Security Bulletins  |  6 Jul 2025

AWS Cedar: Least-Privilege Auth in Multi-Agent AI

Learn how AWS Cedar enforces least-privilege authorisation across multi-agent AI chains, preventing silent privilege escalation in agentic systems.

🟠 High  |  AWS Security Blog  |  6 Jul 2025

CVE-2026-14265: AWS JDBC Wrapper RCE via Cache

CVE-2026-14265 enables remote code execution via unsafe deserialization in the AWS Advanced JDBC Wrapper RemoteQueryCachePlugin. Versions 3.3.0–4.0.0 affec

🟠 High  |  AWS Security Bulletins  |  1 Jul 2025

CVE-2026-13760: AWS CDK NodejsFunction Command Injection

CVE-2026-13760 is an OS command injection flaw in AWS CDK's Docker bundling pipeline affecting aws-cdk-lib < 2.260.0. Upgrade immediately.

🟠 High  |  AWS Security Bulletins  |  1 Jul 2025

CVE-2026-13769: AWS CLI World-Readable Credentials

CVE-2026-13769 in AWS CLI exposes credentials as world-readable on Unix systems. Affects CLI v1 ≤1.44.77 and v2 ≤2.34.28. Patch now.

🟠 High  |  AWS Security Bulletins  |  1 Jul 2025

AWS WAF HTTP/2 Bypass: CVE-2026-13762 & CVE-2026-13763

AWS WAF HTTP/2 multi-frame inspection flaws (CVE-2026-13762, CVE-2026-13763) could allow WAF bypass on ALB. Action required for ALB deployments.

🟠 High  |  AWS Security Bulletins  |  29 Jun 2025

CVE-2026-12957 & 12958: Amazon Q Developer Flaws

Two vulnerabilities in AWS Language Servers affect Amazon Q Developer IDE plugins. Learn the impact of CVE-2026-12957 and CVE-2026-12958 and how to remedia

🟠 High  |  AWS Security Bulletins  |  23 Jun 2025

CVE-2026-12530: AWS Bedrock AgentCore SDK pip Injection

CVE-2026-12530 in AWS Bedrock AgentCore Python SDK allows argument injection in install_packages(), enabling malicious PyPI redirects and sandbox file expo

🟠 High  |  AWS Security Bulletins  |  17 Jun 2025

CVE-2026-11931: Kiro IDE Auth Token Exposure

CVE-2026-11931 exposes Kiro IDE authentication token cache files to local users via weak file permissions on macOS and Linux. Update to v0.11.133+.

🟠 High  |  AWS Security Bulletins  |  15 Jun 2025

CVE-2026-10584: AWS Graph Explorer HTTPS Fallback Flaw

CVE-2026-10584 causes Graph Explorer (v1.1.0–3.0.1) to silently fall back to HTTP, exposing Amazon Neptune data in cleartext. Upgrade to v3.0.1 now.

🟠 High  |  AWS Security Bulletins  |  2 Jun 2026

CVE-2026-10591: Kiro IDE RCE via File Write Flaw

CVE-2026-10591 affects Kiro IDE versions below 0.11, allowing unauthenticated attackers to execute arbitrary commands via writes to sensitive IDE config pa

🟠 High  |  AWS Security Bulletins  |  2 Jun 2026

Amazon Corretto July 2026 Security Updates | AWS

Amazon releases July 2026 quarterly security updates for Corretto 8–26. Docker images now default to Amazon Linux 2023. Update Java workloads promptly.

🟡 Medium  |  AWS What's New  |  22 Jul 2024

AWS GuardDuty AI Protection for Bedrock & SageMaker

Amazon GuardDuty AI Protection detects prompt injection, cost harvesting, and anomalous invocations targeting AWS Bedrock and SageMaker AI workloads.

🟡 Medium  |  AWS What's New  |  14 Jul 2024

AWS WAF Bot Control for AI Agent Traffic Auth

Learn how AWS WAF Bot Control can authenticate legitimate AI agent traffic in multi-tenant environments like Amazon Bedrock AgentCore.

🟡 Medium  |  AWS Security Blog  |  14 Jul 2024

AWS Designated UK Critical Third Party for Finance

AWS is now a designated Critical Third Party to the UK financial sector. Learn what this means for cloud security architects in regulated financial firms.

🟡 Medium  |  AWS Security Blog  |  10 Jul 2024

AWS Security Hub Adds Active Network Scanning

AWS Security Hub now actively probes resources to confirm internet reachability across AWS and Azure, surfacing exposed ports and services beyond config-ba

🟡 Medium  |  AWS What's New  |  8 Jul 2024

AWS: System Prompt Leakage Risks in GenAI Apps

AWS outlines the risk of system prompt leakage in generative AI apps and provides architectural mitigations for cloud security teams to reduce exposure.

🟡 Medium  |  AWS Security Blog  |  8 Jul 2024

CISO Guide to Post-Quantum Cryptography on AWS

AWS outlines how CISOs can lead post-quantum cryptography migrations across complex organisations, meeting global PQC mandates before quantum threats mater

🟡 Medium  |  AWS Security Blog  |  8 Jul 2024

Enforce Zero Data Retention in AWS Bedrock with SCPs

Learn how to use Amazon Bedrock Projects and AWS Service Control Policies to centrally enforce zero data retention across all accounts using third-party AI

🟡 Medium  |  AWS Security Blog  |  7 Jul 2024

AWS Network Firewall Container Attribute Rules for EKS & ECS

AWS Network Firewall now supports container attribute-based rules for EKS and ECS, enabling workload-level traffic control for AI/ML and containerised apps

🟡 Medium  |  AWS Security Blog  |  1 Jul 2024

AWS GuardDuty Adds Sensitive File Modification Detections

Amazon GuardDuty Runtime Monitoring now detects sensitive file modifications on EC2, EKS, and ECS — covering persistence, privilege escalation, and defence

🟡 Medium  |  AWS What's New  |  1 Jul 2024

AWS IAM Identity Center: Programmatic Account Access for App

AWS IAM Identity Center now lets customer-managed apps retrieve temporary AWS credentials via trusted token issuers. Key governance and security implicatio

🟡 Medium  |  AWS What's New  |  30 Jun 2024

AWS CIRT June 2026 Threat Technique Catalog Update

AWS CIRT's June 2026 Threat Technique Catalog update documents real-world attack patterns. Here's what cloud security architects need to review and act on.

🟡 Medium  |  AWS Security Blog  |  29 Jun 2024

Restrict AWS Console Access with Sign-In RCPs

AWS now supports resource-based policies and RCPs for Sign-In, letting you restrict Management Console and CLI access to trusted networks only.

🟡 Medium  |  AWS Security Blog  |  24 Jun 2024

AWS Egress Controls to Prevent Data Exfiltration

Learn how to implement AWS egress controls to prevent data exfiltration from cloud workloads using VPC policies, SCPs, and Network Firewall.

🟡 Medium  |  AWS Security Blog  |  22 Jun 2024

AWS Subdomain Takeover: Detect & Prevent Dangling DNS

Learn how attackers exploit dangling DNS records for subdomain takeover on AWS, and how to detect and prevent it using Route 53 and AWS security services.

🟡 Medium  |  AWS Security Blog  |  16 Jun 2024

Manage Unused AWS KMS Keys & Prevent Deletions

Learn how to audit unused AWS KMS keys, reduce costs, meet compliance requirements, and prevent accidental key deletions across multi-account environments.

🟡 Medium  |  AWS Security Blog  |  2 Jun 2026

Secure Multi-Tenant AI Agents on AWS Bedrock AgentCore

Learn how AWS Bedrock AgentCore resource-based policies enforce tenant isolation, cross-account access controls, and VPC-only traffic for SaaS AI workloads

🟡 Medium  |  AWS Security Blog  |  2 Jun 2026

Amazon Cognito Multi-Region Replication | AWS

Amazon Cognito now supports multi-Region replication for user pools, improving authentication resilience and enabling near real-time failover across AWS Re

🟢 Low  |  AWS What's New  |  4 Jun 2026

AWS Cognito New Lambda Trigger for Federated Sign-In

AWS adds a new Cognito Lambda trigger enabling custom logic during federated sign-in via SAML, OIDC, and social providers. Here's what architects need to k

🟢 Low  |  AWS Security Blog  |  4 Jun 2026

AWS IoT Device Management MQTT Session Data API

AWS IoT Device Management adds MQTT session and socket data to its connectivity API. Learn the IAM controls and security implications for IoT fleets.

🟢 Low  |  AWS What's New  |  3 Jun 2026

AWS IoT Device Management: MQTT Session Data in API

AWS IoT Device Management adds MQTT session data to its connectivity status API, with indefinite retention and IAM-controlled socket-level access for IoT f

🟢 Low  |  AWS What's New  |  3 Jun 2026

AWS Step Functions Adds AI Agent Steps via AgentCore

AWS Step Functions integrates with Amazon Bedrock AgentCore to embed AI reasoning steps in workflows. Key security considerations for architects.

🟢 Low  |  AWS What's New  |  3 Jun 2026

OpenAI GPT-5.4 on AWS Bedrock GovCloud (US-West)

OpenAI GPT-5.4 is now available on Amazon Bedrock in AWS GovCloud (US-West), offering isolated inference for government and regulated-industry workloads.

🟢 Low  |  AWS What's New  |  3 Jun 2026

AWS ARC Adds Aurora & Neptune Failover Automation

AWS ARC Region switch gains Aurora serverless, provisioned scaling, and Neptune failover blocks, automating multi-region DB recovery and reducing RTO.

🟢 Low  |  AWS What's New  |  3 Jun 2026

AWS SageMaker Unified Studio: 12-Language Support

Amazon SageMaker Unified Studio now supports 12 languages. No security impact — a usability update for global teams with no changes to IAM or access contro

🟢 Low  |  AWS What's New  |  3 Jun 2026

AWS Config Adds 9 New Resource Types for Bedrock & SageMaker

AWS Config now supports 9 new resource types across Bedrock and SageMaker, improving compliance visibility for AI/ML workloads in your AWS environment.

🟢 Low  |  AWS What's New  |  3 Jun 2026

AWS ECS Managed Instances Adds Trainium & Inferentia

Amazon ECS Managed Instances now supports Trainium and Inferentia AI accelerators. Learn the security implications for cloud architects running ML workload

🟢 Low  |  AWS What's New  |  3 Jun 2026

AWS IoT Core Adds Auth & Ping Logs in CloudWatch

AWS IoT Core now offers Ping and Connection.AuthNError CloudWatch log types to help detect connectivity failures and authentication errors across IoT fleet

🟢 Low  |  AWS What's New  |  3 Jun 2026

AWS Config Internal Service Linked Rules Explained

AWS Config now supports internal service linked rules, letting AWS services like Security Hub CSPM run independent rule evaluations at no extra cost to cus

🟢 Low  |  AWS What's New  |  2 Jun 2026

AWS Deadline Cloud Adds Persistent EBS Storage for SMF

AWS Deadline Cloud now supports persistent EBS volumes for Service-Managed Fleets. Learn the security implications for cloud architects managing rendering

🟢 Low  |  AWS What's New  |  2 Jun 2026

AWS SageMaker Studio Auto-IAM Policy: Security Review

SageMaker Studio now auto-attaches an IAM policy for model customisation. Security architects should audit this managed policy against least-privilege prin

🟢 Low  |  AWS What's New  |  2 Jun 2026

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