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AWS Security Blog

Introducing Route 53 Resolved IP Validation for AWS Network Firewall

Your workloads reach most destinations by domain name, but a firewall can only act on what it sees in the traffic. For HTTP and HTTPS, AWS Network Firewall domain rules match the name that the client puts in the request, and the client chooses that name. The connections for protocols such as SSH and SSH […]

CSO Online

OpenAI’s August fix for theft of reasoning traces was quickly bypassed

Cybersecurity research firm Xint on Monday published details of a bug in the OpenAI API that leaks raw reasoning traces from frontier OpenAI models, revealing the risk of other data leaks. OpenAI has confirmed the flaw, mitigated it, and paid a bug bounty for its discovery. The problem is that OpenAI had already deployed mitigations for the issue in August after a research report dubbed Stolen Thoughts revealed a sim…

Tenable Blog

Discover and remediate PHP2Shell exposure with Tenable

Learn how to use Tenable solutions to find vulnerable PHP versions, prioritize remediation, and patch the critical PHP2Shell vulnerabilities (CVE-2026-109618 and CVE-2026-109619) faster.Key takeawaysThe PHP2Shell vulnerabilities (CVE-2026-109618 and CVE-2026-109619) put security teams in a race against attackers. PHP runs on more than 70% of websites, so organizations need to quickly find where they’re affected and u…

AWS Security Bulletins

CVE-2026-115418 - SQL injection in the database-query custom resource handlers in Amazon Web Services (AWS)

Bulletin ID: 2026-151-AWS Scope: AWS Content Type: Important (requires attention) Publication Date: 10/26/2026 09:30 AM PDT Description: The AWS Cloud Development Kit (CDK) @aws-cdk/aws-redshift-alpha module provides experimental constructs that manage Amazon Redshift users, tables and privileges. We identified CVE-2026-115418, an issue where crafted user names, comments or passwords set in these constructs could cha…

AWS Security Bulletins

CVE-2026-111943: eMudhra intermediate CA key recovery in AWS trust bundles

Bulletin ID: 2026-150-AWS Scope: AWS Content Type: Important (requires attention) Publication Date: 10/24/2026 20:00 PM PDT Summary: AWS identified CVE-2026-111943, a key-generation flaw at external CA eMudhra/emSign that made intermediate CA private keys recoverable. Three roots are affected: AAA Certificate Services, emSign Root TLS CA - G3, and emSign ECC Root CA - G3. They shipped in AWS-owned trust bundles, expo…

AWS Security Bulletins

CVE-2026-115845 - Incomplete validation in the run_script Python sandbox in AWS MCP Server

Bulletin ID: 2026-149-AWS Scope: AWS Content Type: Important (requires attention) Publication Date: 10/23/2026 12:00 PM PDT Description: AWS MCP Server is a managed server that gives AI agents access to AWS through the Model Context Protocol (MCP), including a run_script tool that runs Python scripts in a sandboxed environment. We identified CVE-2026-115845, an issue in the Python code validator of the run_script too…

AWS Security Bulletins

CVE-2026-115812 and CVE-2026-115813: Issue in Amazon Web Services Multi Model Server

Bulletin ID: 2026-148-AWS Scope: AWS Content Type: Important (requires attention) Publication Date: 10/23/2026 10:30 AM PDT Description: Amazon Web Services Multi Model Server (MMS) is an open source tool for serving machine learning models for inference. It was published by AWS on GitHub, PyPI, and Docker Hub, and reached end of life; its source repository has been archived and read-only since November 20, 2025. CVE…

CSO Online

PHP2Shell exposes the weakness in coordinated vulnerability disclosure

Two critical vulnerabilities discovered in the widely-used PHP programming language have shaken up enterprises, and the ramifications will take some time to truly understand. But one of the lesser-known stories centers around disclosure. According to The PHP Foundation, several organizations had agreed to a coordinated release detailing the critical flaws and mitigation actions, but cybersecurity firm Chainguard “unl…

AWS Security Bulletins

CVE-2026-115417 - Memory allocation with excessive size value in the MQTT 3.1.1 compatibility adapter in aws-c-mqtt

Bulletin ID: 2026-147-AWS Scope: AWS Content Type: Important (requires attention) Publication Date: 10/22/2026 13:30 PM PDT Description: aws-c-mqtt is a C99 implementation of the MQTT 3.1.1 and MQTT5 specifications, distributed as part of the AWS Common Runtime (CRT) and bundled in the AWS IoT Device SDK for C++ v2. We identified CVE-2026-115417, a memory allocation with excessive size value (CWE-789) in the library'…

AWS Security Bulletins

CVE-2026-115419 - Unintended disclosure of data element to wrong session in Strands Agents SDK A2A Server

Bulletin ID: 2026-146-AWS Scope: AWS Content Type: Important (requires attention) Publication Date: 10/22/2026 13:00 PM PDT Description: Strands Agents is an open-source SDK, available for Python and TypeScript, for building AI agents. The SDK includes an Agent2Agent (A2A) server component that exposes an agent over HTTP so other agents and clients can call it. We identified CVE-2026-115419, an issue where the A2A se…

AWS Security Bulletins

CVE-2026-115414 - OS Command Injection Issue in SAM CLI Terraform Hook

Bulletin ID: 2026-145-AWS Scope: AWS Content Type: Important (requires attention) Publication Date: 10/22/2026 11:30 AM PDT Description: AWS SAM CLI is an open-source framework for building serverless applications. We identified CVE-2026-115414, an OS command injection issue in the Terraform hook (sam build --hook-name terraform) in AWS SAM CLI. The Terraform hook generates a Makefile recipe that interpolates a Terra…

AWS Security Bulletins

CVE-2026-115416 - Incorrect authorization checks in Amazon Athena engine version 3 query processing

Bulletin ID: 2026-144-AWS Scope: AWS Content Type: Important (requires attention) Publication Date: 10/22/2026 09:30 AM PDT Description: Amazon Athena is an interactive query service that allows you to analyze data in Amazon S3 using standard SQL. We identified CVE-2026-115416, an issue in Amazon Athena engine version 3 query processing where incorrect authorization checks could have allowed an authenticated user to…

Zscaler ThreatLabz

SEO Poisoning Campaign Delivers New Armorsteal Malware

IntroductionIn September 2026, Zscaler Threat Hunting identified an SEO poisoning campaign that used fake websites impersonating the Chocolatey package manager and the Microsoft Activation Scripts (MAS) tool to distribute a Python-based malware family we track as Armorsteal. The fake websites targeted users searching for Chocolatey or MAS software installation commands. Each lure page displayed a malicious PowerShell…

Security Affairs

PHP2Shell Attacks Started Four Days Before Public Disclosure, AWS Reports

AWS detected PHP2Shell exploit attempts four days before disclosure, highlighting the risk of attackers exploiting critical flaws before patches arrive. Attackers attempted to exploit two critical PHP vulnerabilities four days before the flaws became public, according to Amazon Threat Intelligence. “Amazon Threat Intelligence identified a PHP2Shell exploitation attempt dating to Oct. 17, 2026, in MadPot […]

The Cyber Express

Live API Keys Found in Public Code of AI-Built Websites, Cyble Research Shows

A growing number of AI-built websites are going live with their most sensitive credentials visible to anyone who opens the page. New research from Cyble Research and Intelligence Labs (CRIL) found live OpenAI keys, Stripe secret keys and backend database tokens sitting in the public front-end code of sites created with AI app builders. Over one month, CRIL scanned more than 1.3 million newly registered domains. Resea…

Cyble

The Keys Are in the Browser: Secret Exposure Across AI-Built Websites

Cyble scanned 1.3M+ newly registered domains and found AI-built sites leaking live secrets to the browser: OpenAI keys, Stripe keys, and database tokens. Spinning up a website no longer takes a developer. A prompt to an AI app-builder returns a working, styled, deployable site in minutes, and when one template works, the same operator clones it across a dozen domains before launch. That is also how secrets end up in…

AWS Security Blog

Using AWS WAF to apply mitigations for PHP2Shell RCE vulnerabilities (CVE-2026-109618 and CVE-2026-109619)

October 23, 2026-2: The PHP project disclosed CVE-2026-115560, a separate remote code execution issue that the October 21 releases don’t fix. It affects only applications with an uncommon configuration that keeps session upload progress enabled. The PHP2Shell_BODY rule in the PHP application managed rule group, version 2.4 and later, already blocks POST requests that carry […]

AWS Security Bulletins

PHP web runtimes (CVE-2026-109618 and CVE-2026-109619)

Bulletin ID: 2026-143-AWS Scope: AWS Content Type: Important (requires attention) Publication Date: 10/21/2026 14:30 PM PDT Summary: Two critical vulnerabilities in PHP (CVE-2026-109618 and CVE-2026-109619) allow an unauthenticated remote actor to execute code, access process-accessible data, or cause denial of service on affected PHP workers. Customers running affected PHP versions (8.2–8.5 below the fixed releases,…

AWS Security Bulletins

CVE-2026-112408 - Missing bucket ownership verification in Amazon SageMaker Python SDK default_bucket()

Bulletin ID: 2026-142-AWS Scope: AWS Content Type: Important (requires attention) Publication Date: 10/21/2026 12:30 PM PDT Description: The Amazon SageMaker Python SDK is an open-source library for training and deploying machine learning models on Amazon SageMaker. We identified CVE-2026-112408, an issue in the default_bucket() function. The SDK uses a predictably named Amazon S3 bucket and does not check that the c…

AWS Security Blog

Best practices for integrating IAM Roles Anywhere with your PKI

Using temporary credentials is a security best practice to reduce the risk from credentials getting compromised. With AWS IAM Roles Anywhere, now your workloads outside of Amazon Web Services (AWS) will be able to access AWS resources by obtaining temporary security credentials in AWS Identity and Access Management (IAM). IAM Roles Anywhere relies on public […]