Zero Chaos: Scaling Detection Engineering at the Speed of Software, with Detection As Code

Every engineering team in your organization ships code through a pipeline. They branch, test, review, and deploy. If something breaks, they roll back. If someone asks "what changed?", the answer is in the commit history. This isn't heroic discipline to process; it's just how software gets built...

Critical Buffer Overflow in Palo Alto Networks PAN-OS User-ID Authentication Portal (CVE-2026-0300)

Overview On May 6, 2026, Palo Alto Networks published a security advisory for CVE-2026-0300, a critical unauthenticated buffer overflow vulnerability affecting PAN-OS PA-Series and VM-Series firewall appliances. Prisma Access, Cloud NGFW, and Panorama appliances are not affected by this...

Metasploit Wrap-Up 05/01/2026

MCP server This release our very own cdelafuente-r7 finished implementing the Metasploit MCP Server msfmcpd, bringing Model Context Protocol support to Metasploit Framework. MCP lets AI applications like Claude, Cursor, or your own custom agents query Metasploit data. Think of it as a middleware...

CVE-2026-41940: cPanel & WHM Authentication Bypass

Overview On April 28, 2026, cPanel issued a security update to fix a critical vulnerability affecting the cPanel & WHM and WP Squared products. In the cPanel release notes, the bug was described as "an issue with session loading and saving." CVE-2026-41940, the identifier subsequently assigned on...

Metasploit Wrap-Up 04/25/2026

Check Method Visibility Metasploit has supported check methods for many years now. It’s not always desirable to jump straight into exploiting a vulnerability but instead to determine if the target is vulnerable. Metasploit tries to be very conservative with classifying a target as “vulnerable”...

Kyber Ransomware Double Trouble: Windows and ESXi Attacks Explained

Overview For executive leadership, the emergence of Kyber ransomware represents a significant and immediate threat due to its specialized, dual-platform deployment capability targeting mission-critical virtualization infrastructure VMware ESXi and core Windows file systems. This cross-platform...

Project Glasswing and the Next Challenge for Defenders: Turning Faster Discovery into Faster Action

Anthropic’s Project Glasswing has sparked plenty of discussion about what AI might soon do for vulnerability discovery, but the more useful question for most security teams is how to prepare for, and more importantly seize the opportunity of, what comes next. As we wrote in our earlier blog, What...

Metasploit Wrap-Up 04/17/2026

Happy Friday - Seven New Metasploit Modules We’re happy to announce that Metasploit Framework had a big week, landing seven new modules alongside various bug fixes and enhancements. This week’s highlights include RCE modules targeting AVideo, openDCIM, Selenium Grid/Selenoid, and ChurchCRM. On th...

CVE-2026-33032: Nginx UI Missing MCP Authentication

Overview On March 30, 2026, a security advisory was published for a critical vulnerability affecting Nginx UI. Nginx UI is an open-source web interface to centralize the management of Nginx configurations and SSL certificates. The critical vulnerability, CVE-2026-33032, was reported in early Marc...

Patch Tuesday - April 2026

Microsoft is publishing 167 vulnerabilities on April 2026 Patch Tuesday. Microsoft is aware of exploitation in the wild for one of today’s vulnerabilities, and public disclosure for one other. Microsoft evaluates 19 of the vulnerabilities published today as more likely to see future exploitation...

Your Cloud Detection Strategy in 2026: What to Expect at the Global Cybersecurity Summit

Cloud environments have changed how security teams detect and respond to threats. Signals come from more places, identities are harder to track, and attacks rarely stay within a single system. For many teams, the challenge is no longer visibility. It is having the risk context to understand what...

Metasploit Wrap-Up 04/10/2026

Speedup Improvements of MSFVenom & New Modules This week, we have added new modules to Metasploit Framework targeting Cisco Catalyst SD-WAN controllers and osTicket as well as updates and improvements to Windows service-for-user persistence, and LDAP/ADCS-related modules to automatically report...

Metasploit Wrap-Up 04/03/2026

Additional Adapters and More Modules This week, we added a whole new bunch of HTTP/HTTPS-based CMD payloads for X64 and X86 versions of Windows. The additional breadth of selectable payloads and delivery techniques allows users new options to tailor the attack workflow for their environment. This...

New Whitepaper: Stealthy BPFDoor Variants are a Needle That Looks Like Hay

Executive Overview Advanced persistent threats APTs are constantly and consistently changing tactics as network defenders plug holes in defenses. Static indicators of compromise IoCs for the BPFDoor have been widely deployed, forcing threat actors to get creative in their use of this particular...

Metasploit Wrap-Up 03/27/2026

Better NTLM Relaying Functionality This week’s release brings an improvement to the SMB NTLM relay server. In the past, it’s support has been expanded with modules for relaying to HTTP ESC8, MSSQL and LDAP while still receiving connections over the humble SMB service. Prior to this release, clien...

BPFdoor in Telecom Networks: Sleeper Cells in the Backbone

Executive overview The strategic positioning of covert access within the world’s telecommunication networks A months-long investigation by Rapid7 Labs has uncovered evidence of an advanced China-nexus threat actor, Red Menshen, placing some of the stealthiest digital sleeper cells the team has ev...

New Whitepaper: Exploiting Cellular-based IoT Devices

Rapid7 has released a whitepaper titled “The Weaponization of Cellular Based IoT Technology,” by Deral Heiland, principal security researcher, IoT, at Rapid7, and Carlota Bindner, lead product security researcher at Thermo Fisher Scientific. The paper examines how attackers with physical access c...

Rapid7 Completes BSI C5 Type 2 Examination: Stronger Cloud Security for DACH Organizations

If you're a security leader operating in Germany, Austria, or Switzerland, you already know that compliance isn't a checkbox. It's a competitive differentiator. Rapid7 has completed BSI C5 Type 2 attestation for the Rapid7 Command Platform, including Threat Command, and it's a milestone worth...

CVE-2026-3055: Citrix NetScaler ADC and NetScaler Gateway Out-of-Bounds Read

Overview On March 23, 2026, Citrix published a security advisory for a critical vulnerability affecting their NetScaler ADC formerly Citrix ADC and NetScaler Gateway formerly Citrix Gateway products. This vulnerability, CVE-2026-3055, which is classified as an out-of-bounds read and holds a CVSS...

Metasploit Wrap-Up 03/20/2026

♫ I Just Called ♫ To Say ♫ 7f45 4c46 0201 0100 0000 0000 0000 0000 0300 3e00 0100♫ This release contains 2 new exploit modules, 2 enhancements, and 7 bug fixes. Community contributor Chocapikk submitted both exploit modules this release: one targeting AVideo-Encoder’s getImage.php file and anothe...

Negotiating with the Board: Translating Active Risk into Financial Exposure

Security leaders rarely struggle to produce data. The challenge is turning that data into something the board can use to make decisions. Walk into a board meeting with a slide showing 1,200 critical vulnerabilities and 44 internet-facing assets, and you will likely see polite acknowledgment rathe...

CVE-2026-31381, CVE-2026-31382: Gainsight Assist Information Disclosure and Cross-Site Scripting (FIXED)

Overview Rapid7 Labs recently identified a chain of security vulnerabilities in the Gainsight Assist plugin and its interactions with the associated domain app.gainsight.com. These vulnerabilities include an Information Disclosure flaw CVE-2026-31381 and a Reflected Cross-Site Scripting XSS...

The Attack Cycle is Accelerating: Announcing the Rapid7 2026 Global Threat Landscape Report

The predictive window has collapsed. In 2025, high-impact vulnerabilities weren’t quietly accumulating risk. They were operationalized, and often within days. Today, Rapid7 Labs released the 2026 Global Threat Landscape Report, an in-depth analysis of how attacker behavior is evolving across...

Metasploit Wrap-Up 03/13/2026

No bad luck here: Friday the 13th brings new modules and a Metasploit Pro milestone This week’s Metasploit Framework release delivers three new modules across reconnaissance, evasion, and exploitation: LeakIX-powered discovery for exposed services and leaked data, a Linux x64 RC4 payload packer f...

The Face of Penetration Testing is Changing: Announcing Metasploit Pro 5.0.0

The role and demand for red-teaming capabilities are growing, as more exploitable CVEs make their way into criminal hands. Being proactive is no longer a capability that can be reserved for annual tests, but a continuous assessment to determine exposure and even through the validation of an...

Rapid7 Detection Coverage for Iran-Linked Cyber Activity

The tension arising out of the conflict in Iran is beginning to show signs of expanding beyond a strictly regional crisis. Following our recent published advisories, this communication is intended to outline and summarize the detection and enrichment coverage available to Rapid7 customers, broadl...

Rapid7 Analysis: CVE-2026-20127

CVE-2026-20127: Cisco Catalyst SD-WAN Authentication Bypass Overview On 25th February 2026, Cisco published an advisory for CVE-2026-20127, a critical authentication bypass vulnerability in the vdaemon service of Cisco Catalyst SD-WAN formerly Viptela. The flaw allows an unauthenticated, remote...

Patch Tuesday - March 2026

Microsoft is publishing 77 vulnerabilities this March 2026 Patch Tuesday. Microsoft is aware of public disclosure of two of today’s vulnerabilities, but without evidence of exploitation in the wild for any yet, so there are no Microsoft additions to CISA KEV today. Earlier in the month, Microsoft...

When Trusted Websites Turn Malicious: WordPress Compromises Advance Global Stealer Operation

Overview Rapid7 Labs has identified and analyzed an ongoing, widespread compromise of legitimate, potentially highly trusted WordPress websites, misused by an unidentified threat actor to inject a ClickFix implant impersonating a Cloudflare human verification challenge CAPTCHA. The lure is design...

Metasploit Wrap-Up 03/06/2026

Encoder exposed! Some of our releases add new ways in; this one adds new ways to stay in. There are, of course, still new RCE toys in the box Tactical RMM via Jinja2 SSTI and an unauthenticated MajorDoMo exploit. Still, the underlying theme is payloads: more control over how they are packaged and...

Metasploit Wrap-Up 02/27/2026

No Prob-ollama This release brings some serious firepower with multiple new exploit modules and critical vulnerability support! The standout additions are the Ollama path traversal RCE CVE-2024-37032, a sophisticated exploit chaining arbitrary file writes into unauthenticated root RCE, and the...

Before the Breach: When digital footprints become a strategic cyber risk

Overview For years, organizations have prioritized strengthening technical defenses, including hardening networks, accelerating patch management, and expanding endpoint detection and response capabilities. Defensive systems have become more adaptive, identity has moved to the center of security...

Critical Cisco Catalyst Vulnerability Exploited in the wild (CVE-2026-20127)

Overview On February 25, 2026, Cisco disclosed a critical authentication bypass vulnerability in Cisco Catalyst SD‑WAN Controller and Cisco Catalyst SD‑WAN Manager, tracked as CVE‑2026‑20127, that allows an unauthenticated attacker to gain administrative access to affected systems. The Cisco...

Your MRI is Online: The Hidden Risks of Exposed DICOM Servers in UK Healthcare

Hospitals invest heavily in physical security: Clinical areas are access-controlled, sensitive rooms are locked, and patient records are governed by strict handling procedures. Network exposure does not always receive the same level of scrutiny. Rapid7 Labs identified more than 30 UK-based system...

The Post-RAMP Era: Allegations, Fragmentation, and the Rebuilding of the Ransomware Underground

Executive summary The January 2026 seizure of RAMP disrupted a major ransomware coordination hub, but it did not dismantle the ecosystem behind it. Instead, it destabilized trust and accelerated fragmentation across the underground. Rather than consolidating around a single successor, ransomware...

New Report: The Digital Footprints of Many Executives Can Leave Their Companies Seriously Exposed

Senior leaders are visible by design. They speak at events, post on LinkedIn, sit on boards, and sign public filings. That visibility builds brands and drives growth. It also creates risk. In our latest Rapid7 Labs report, Executives’ Digital Footprints: The Overlooked Corporate Vulnerability , w...

Alert Fatigue Isn’t Going Away. Here’s How Modern SOCs Are Fighting Back

Security teams have been talking about alert fatigue for years. And yet, for many SOCs, the problem isn’t getting better. It’s getting worse. As environments expand across cloud, SaaS, identity, and legacy systems, analysts are flooded with signals that all demand attention but rarely arrive with...

Metasploit Wrap-Up 02/20/2026

Hacking Churches and Backdooring Emacs This release packs some solid exploit module additions! Two new unauthenticated RCE modules are a major win: the StoryChief WordPress plugin exploit CVE-2025-7441 targets a webhook validation flaw allowing arbitrary file uploads, while the ChurchCRM exploit...

The Phone is Listening: A Cold War–Style Vulnerability in Modern VoIP

I don’t know about you, but when I think about “critical vulnerabilities,” I usually picture ransomware, data theft, or maybe a server falling over at 2 a.m. while someone frantically searches Slack for the last good backup. What I don’t picture is a scene straight out of a Cold War spy film...

CVE-2026-2329: Critical Unauthenticated Stack Buffer Overflow in Grandstream GXP1600 VoIP Phones (FIXED)

Overview Rapid7 Labs conducted a zero-day research project against the Grandstream GXP1600 series of Voice over Internet Protocol VoIP phones. This research resulted in the discovery of a critical unauthenticated stack-based buffer overflow vulnerability, CVE-2026-2329. A remote attacker can...

Building the Future of Cloud Security: Rapid7 Recognized in Cloud Native Application Protection, Q1 2026

We are excited to share Rapid7’s recognition in The Forrester Wave™: Cloud Native Application Protection Solutions CNAPP , Q1 2026 1. We see this acknowledgment as a milestone that highlights our strategic evolution and continued drive to help security teams shift from reactive defense to...

Metasploit Wrap-Up 02/13/2026

SolarWinds Web Help Desk Our very own sfewer-r7 has developed an exploit module for the SolarWinds Web Help Desk vulnerabilities CVE-2025-40536 and CVE-2025-40551. On successful exploitation the session will be as running as NT AUTHORITY\SYSTEM. For more information see the Rapid7’s SolarWinds We...

Patch Tuesday - February 2026

Microsoft is publishing 55 vulnerabilities this February 2026 Patch Tuesday. Microsoft is aware of exploitation in the wild for six of today’s vulnerabilities, and notes public disclosure for three of those. Earlier in the month, Microsoft provided patches to address three browser vulnerabilities...

Measuring AI Security: Separating Signal from Panic

The conversation around AI security is full of anxiety. Every week, new headlines warn of jailbreaks, prompt injection, agents gone rogue, and the rise of LLM-enabled cybercrime. It’s easy to come away with the impression that AI is fundamentally uncontrollable and dangerous, and therefore...

CVE-2026-1731: Critical Unauthenticated Remote Code Execution in BeyondTrust Remote Support (RS) and Privileged Remote Access (PRA)

Overview On February 6, 2026, BeyondTrust released security advisory BT26-02, disclosing a critical pre-authentication Remote Code Execution RCE vulnerability affecting its Remote Support RS and Privileged Remote Access PRA products. Assigned CVE-2026-1731 and a near-maximum CVSSv4 score of 9.9,...

Vulnerability Found in InsightVM & Nexpose: CVE-2026-1814 (FIXED)

We are grateful to the research team at Atredis for sharing their findings around a vulnerability CVE-2026-1814 impacting our vulnerability management offerings InsightVM and Nexpose. We have identified a fix that addresses this vulnerability and will be delivered via a Security Console product...

Metasploit Wrap-Up 02/06/2026

Google Summer of Code 2026 Our very own Jack Heysel has added some documentation which outlines the Metasploit Framework project ideas for GSoC 2026. For anyone interested in applying please see GSoC-How-To-Apply documentation, or reach out on slack to any of the following GSoC mentors on Slack v...

Chrysalis, Notepad++, and Supply Chain Risk: What it Means, and What to Do Next

When Rapid7 published its analysis of the Chrysalis backdoor linked to a compromise of Notepad++ update infrastructure, it raised understandable questions from customers and security teams. The investigation showed that attackers did not exploit a flaw in the application itself. Instead, they...

ICYMI: Experts on Experts – Season One Roundup

In 2025, we launched Experts on Experts: Commanding Perspectives as a pilot video series designed to spotlight the ideas shaping cybersecurity, directly from the people driving them. Over five episodes, Rapid7 leaders shared short, candid conversations on topics like agentic AI, MDR ROI,...

The Chrysalis Backdoor: A Deep Dive into Lotus Blossom’s toolkit

Rapid7 Labs, together with the Rapid7 MDR team, has uncovered a sophisticated campaign attributed to the Chinese APT group Lotus Blossom. Active since 2009, the group is known for its targeted espionage campaigns primarily impacting organizations across Southeast Asia and more recently Central...