A vulnerability in the Snort 3 Visual Basic for Applications (VBA) Decompression Engine of multiple Cisco products could allow an unauthenticated, remote attacker to cause the Snort 3 Detection Engine to restart unexpectedly, resulting in a denial of service (DoS) condition. This vulnerability is due to improper range checking when Snort 3 decompresses VBA data, which is user controlled. An attacker could exploit thi…
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…
Shadow AI used to be confined to a few simple scenarios, such as AI chatbots and AI browser extensions. Today, it spans a broad spectrum of complex vectors, making it harder to detect and control. In the latest installment of our Cybersecurity Awareness Month blog series, learn how employee security training, AI usage governance, and exposure management can help you tackle shadow AI successfully.Key takeawaysIntegrat…
Affecting the open source calling library RingRTC, the bug prevented calls from ending properly. The post Signal Vulnerability Lets Malicious Callers Block Hang-Ups appeared first on SecurityWeek.
Hackers hijacked the software release pipeline of LiteLLM, a popular open-source AI gateway, to distribute credential-stealing malware, marking the project’s second supply chain compromise this year despite security measures introduced after an earlier attack. The compromised version, 1.107.0, was distributed through the Python Package Index (PyPI) and official Docker images on October 21. LiteLLM said the malicious…
Cisco heeft meerdere kwetsbaarheden verholpen in Snort 3, het open source intrusion detection en prevention systeem dat in diverse Cisco-producten wordt gebruikt. De kwetsbaarheden bevinden zich in verschillende componenten van de Snort 3 Detection Engine, waaronder de SMTP MIME Decoder, NetFlow Detection Engine, GRE Detection Engine, Teredo Detection Engine, VBA Decompression Engine, en de memory management. Ongeaut…
A China-state-aligned threat actor compromised a ConnectWise cloud backup application and used an open-source agentic AI framework to turn its stolen credentials against more than 2,250 Microsoft 365 tenants, Microsoft said. Microsoft Threat Intelligence attributed the activity to Storm-0940, which it said has used the ARTEX framework since as early as September 2026 to automate attacks on hundreds of organizations.…
Oracle heeft meerdere kwetsbaarheden verholpen in diverse producten, waaronder Oracle SOA Suite, Oracle WebLogic Server, Oracle Data Integrator, Oracle Identity Manager, Oracle Access Manager, Oracle WebCenter Content, Oracle Fusion Middleware (inclusief Helidon) en Oracle HTTP Server. De kwetsbaarheden betreffen onder andere onveilige deserialisatie, onvoldoende authenticatie- en toegangscontroles, kwetsbaarheden in…
A new LiteLLM supply chain attack has turned version 1.107.0, an official release of the popular open-source LLM gateway, into a credential stealer. On October 21, 2026, attackers used stolen maintainer tokens to publish trojanized wheels to PyPI and poisoned Docker images, exposing cloud keys, AI provider secrets and LiteLLM proxy databases on any host […]
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…
IntroductionIn October 2026, Zscaler ThreatLabz investigated AI-assisted cyberattacks that combined the ARTEX penetration testing framework with AI coding assistants and custom automation scripts. Initial reporting of the incident identified the targeting of South Korean financial institutions. However, ThreatLabz discovered additional information about the attack, which went far beyond South Korea. The AI-assisted a…
On October 21, 2026, the Cisco Product Security Incident Response Team (PSIRT) published the following advisories. To remediate the vulnerabilities that were disclosed on October 21, 2026, Cisco strongly recommends that customers upgrade to the fixed software that is indicated in the advisories. For more information about changes in Cisco PSIRT vulnerability disclosure, see Strengthening the Foundation: A Predictable…
A vulnerability in the control channel socket implementation of Open Source Snort 3 could allow an authenticated, local attacker with low privileges to execute arbitrary commands as the Snort 3 process user. This vulnerability is due to a lack of authentication when a local user connects to the Snort control channel socket. An attacker could exploit this vulnerability by connecting to the Snort 3 control channel sock…
Today we’re publishing patching-bugs and regression-hunt, two plugins that let engineers delegate patch development and regression checks to agents. Our patching-bugs plugin reproduces reported bugs, develops fixes, and tests them. The regression-hunt plugin checks whether any changes break previously working and supported behavior. Engineers can direct the work and review their results; maintainers can supply their…
AI security tools that can only detect threats in English offer limited protection. Here’s how Tenable trained our threat detectors to process nine additional languages and understand thousands more, without the need for a translation model, which increases costs and slows down processing.Key takeawaysTenable One AI Exposure’s detectors, covering AI threats, harmful content, and other policy risks, were originally En…
Two critical PHP vulnerabilities could lead to unauthenticated remote code execution. Patches are available for supported PHP 8.x branches, and exploitation attempts began before public disclosure.Change logUpdate October 26: CISA added CVE-2026-109618 and CVE-2026-109619 to its KEV catalog. Added details on a regression in PHP 8.4.27 and 8.5.12 and on PHP's October 23 session upload progress advisory. Added a note o…
Bulletin ID: 2026-140-AWS Scope: AWS Content Type: Important (requires attention) Publication Date: 10/20/2026 13:00 PM PDT Description: Kiro Crew is an open-source personal AI agent that can be reached from a web dashboard, a CLI, or messaging channels such as WhatsApp, and that runs tools on the operator's machine. We identified CVE-2026-112380, an authorization issue in the WhatsApp channel and the internal subage…
Overview An authentication bypass vulnerability in the Xerj Console API allows sessions to bypass passkey-backed requirements during token issuance. By exploiting this flaw, an attacker with an existing valid token can create independent, persistent successor credentials directly through the console API. This allows the attacker to maintain access and potentially escalate privileges within the Xerj ecosystem, even if…
At the request of the Open Source Technology Improvement Fund (OSTIF), Quarkslab performed a security audit of mbedTLS, evaluating the security of the changes in version 4.0.
Advisory at a Glance Title #StopRansomware: SafePay Ransomware Original Publication October 20, 2026 Executive Summary This advisory details recent activity by the SafePay ransomware group. SafePay actors have been highly active since August 2024, targeting businesses and critical infrastructure across North America, South America, Europe, and Australia. SafePay actors typically gain access to networks by stealing or…
IntroductionOn September 27, 2026, Citrix disclosed CVE-2026-88771, a critical remote code execution (RCE) vulnerability affecting NetScaler Application Delivery Controller (ADC) and NetScaler Gateway. The vulnerability carries a CVSS v3.1 score of 9.8 according to NVD and a CVSS v4.0 score of 9.5 according to the Citrix security bulletin CTX697096. The vulnerability allows unauthenticated attackers to execute arbitr…
Bulletin ID: 2026-139-AWS Scope: AWS Content Type: Important (requires attention) Publication Date: 10/16/2026 10:15 AM PDT Description: FreeRTOS-Plus-TCP is an open-source, thread-safe TCP/IP stack for the FreeRTOS kernel, distributed by Amazon for use on embedded and IoT devices. AWS identified two issues with FreeRTOS-Plus-TCP, affecting multiple versions. CVE-2026-102551: improper verification of the source of a…
Parts 1 and 2 of this series looked at two pressures facing higher education security teams. First, the threat landscape: universities are dealing with more frequent attacks across complex, distributed environments, while campus-by-campus security can make it harder to share intelligence and coordinate response. Second, the compliance burden: overlapping requirements across FERPA, GLBA, HIPAA, and CMMC make it diffic…
Next.js released an out-of-band security update on October 14 that fixes two critical flaws allowing unauthenticated remote code execution, along with a high-severity denial-of-service flaw. One code-execution flaw is in React Server Components, and the other in librsvg, the open-source library Next.js uses through the sharp package to handle SVG images. The fixes are in
Threat actors are exploiting a critical security flaw in Langflow, according to an alert from Previdian. Langflow is an open-source platform that allows developers to build artificial intelligence (AI) applications and agentic workflows. In February 2025, DataStax, the parent company of Langflow, was acquired by IBM. The vulnerability in question is CVE-2026-105740 (CVSS score: 9.9), a case of
IntroductionZscaler ThreatLabz analyzed a recently active exploitation campaign in which a threat actor abused ARTEX to target South Korean financial institutions. ARTEX is an open source agentic penetration testing framework developed in China that uses large language models (LLMs) to automate reconnaissance and exploitation tasks. First observed in late September 2026, the campaign affected multiple South Korean fi…
Bulletin ID: 2026-134-AWS Scope: AWS Content Type: Important (requires attention) Publication Date: 10/14/2026 11:30 AM PDT Description: Amazon SageMaker Python SDK is an open source library for training and deploying machine learning models on Amazon SageMaker. We identified CVE-2026-110248, an issue in the git_utils.py component of Amazon SageMaker Python SDK. When a Git clone operation fails, repository credential…
