OCI, Oh My: Remote Code Execution on Oracle Cloud Shell and Code Editor Integrated Services
Tenable Research discovered a Remote Code Execution (RCE) vulnerability (now remediated) in Oracle Cloud Infrastructure (OCI) Code Editor. We demonstrated how an attacker could silently 1-click hijack a victim’s Cloud Shell environment and potentially pivot across OCI services. The vulnerability als...
How Tenable Research Discovered a Critical Remote Code Execution Vulnerability on Anthropic MCP Inspector
Tenable Research recently discovered a critical vulnerability impacting Anthropic's MCP Inspector tool, a core element of the MCP ecosystem. In this blog, we provide details on how we discovered the vulnerability in this widely used open-source tool — and what users can do about it.....
AI Security: Web Flaws Resurface in Rush to Use MCP Servers
In the rush to implement AI tools and services, developers are rapidly embracing the Model Context Protocol (MCP). In the process, classic vulnerabilities are resurfacing and new ones are being introduced. In this blog, we outline key areas of concern and how Tenable Web App Scanning can help....
GerriScary: Hacking the Supply Chain of Popular Google Products (ChromiumOS, Chromium, Bazel, Dart & More)
Tenable Cloud Research discovered a supply chain compromise vulnerability in Google's Gerrit code-collaboration platform which we dubbed GerriScary. GerriScary allowed unauthorized code submission to at least 18 Google projects including ChromiumOS (CVE-2025-1568), Chromium, Dart and Bazel, which ar...
Abusing Client-Side Extensions (CSE): A Backdoor into Your AD Environment
Crucial for applying Active Directory Group Policy Objects, client-side extensions (CSEs) are powerful but also present a significant, often overlooked, attack vector for persistent backdoors. Rather than cover well-documented common abuses of built-in CSEs, this article demonstrates how to create c...
Where Capability Meets Opportunity: Introducing the Tenable Research Special Operations Team
Meet the elite squad that’s hunting the next major cyberattack. With more than 150 years of combined research experience and expert analysis, the Tenable Research Special Operations team arms organizations with the critical and actionable intelligence necessary to proactively defend the modern attac...
Detecting Remote Monitoring and Management Tools Used by Attackers
Following up on last year’s LOLDriver plugin, Tenable Research is releasing detection plugins for the top Remote Monitoring and Management (RMM) tools that attackers have been more frequently leveraging in victim environments....
Frequently Asked Questions about Vibe Coding
Vibe coding has attracted much attention in recent weeks with the release of many AI-driven tools. This blog answers some of the Frequently Asked Questions (FAQ) around vibe coding....
MCP Prompt Injection: Not Just For Evil
MCP tools are implicated in several new attack techniques. Here's a look at how they can be manipulated for good, such as logging tool usage and filtering unauthorized commands....
Despite Recent Security Hardening, Entra ID Synchronization Feature Remains Open for Abuse
Microsoft synchronization capabilities for managing identities in hybrid environments are not without their risks. In this blog, Tenable Research explores how potential weaknesses in these synchronization options can be exploited....
Verizon 2025 DBIR: Tenable Research Collaboration Shines a Spotlight on CVE Remediation Trends
The 2025 Verizon Data Breach Investigations Report (DBIR) reveals that vulnerability exploitation was present in 20% of breaches — a 34% increase year-over-year. To support the report, Tenable Research contributed enriched data on the most exploited vulnerabilities. In this blog, we analyze 17 edge-...
CISA BOD 25-01 Compliance: What U.S. Government Agencies Need to Know
U.S. government agencies are required to bring their Microsoft 365 cloud services into compliance with a recent Binding Operational Directive. Here’s how Tenable can help....
