CVE-2026-119977
WordPress — WordPress CoreWordPress WordPress Core Time-of-check Time-of-use (TOCTOU) Race Condition Vulnerability
Added to KEV: 2026-11-03Advisory / mitigation source ↗From your first network to your next firewall lab. Learn with practical guides, explore technical tools, and put your knowledge to the test.
Newest additions to CISA’s Known Exploited Vulnerabilities catalog. Priority reflects confirmed exploitation, not a CVSS score. Check affected versions and vendor mitigations.
Source checked: 4 Nov 2026, 10:34 IST
WordPress WordPress Core Time-of-check Time-of-use (TOCTOU) Race Condition Vulnerability
Added to KEV: 2026-11-03Advisory / mitigation source ↗Ivanti Connect Secure Missing Authentication for Critical Function Vulnerability
Added to KEV: 2026-10-30Advisory / mitigation source ↗Ivanti Connect Secure Generation of Predictable Numbers or Identifiers Vulnerability
Added to KEV: 2026-10-30Advisory / mitigation source ↗Explore a subject or begin with a focused learning path.
Understand the architecture, follow packet flow, then explore configuration and management.
Concepts → configurationExplore this pathLearn DNS benchmarking, install the tool, explore command options and try practical scenarios.
Foundations → scenariosExplore this pathFollow the installation and licence activation guide to prepare your network lab environment.
Installation → first labExplore this path
Prerequisites: Cisco Firepower Fundamentals, TCP/IP, Firewall Policies, NAT and Basic Network Security Imagine your organization operates Cisco Secure Firewall appliances across several locations. The head office…
Explore Cisco Secure Firewall Management Explained — Part 2: FMC, Device Manager, Deployment and Best Practices
Patch management is the process of identifying, testing, prioritizing, deploying, and verifying software updates that fix security vulnerabilities, bugs, or other problems in operating systems, applications,…
Explore What Is Patch Management?
In Part 1, we learned how network switches connect devices, learn MAC addresses and forward Ethernet frames. All departments use the same physical switching infrastructure. Should…
Explore Network Switches — Part 2: VLANs, Trunking, STP, Security and Cisco Configuration
LACP enhances network reliability by bundling links into EtherChannels, offering bandwidth, redundancy, and efficient management through various configuration modes.
Explore LACP Explained: Static vs Passive vs Active with Real Lab Examples
Routers need routing information before they can forward packets toward remote networks. There are two major ways to provide this information: With static routing, an administrator…
Explore Static Routing vs Dynamic Routing — When Should You Use Each?
Prerequisites: Configured Gaia Interfaces, Network Routing, SmartConsole Access and Established SIC Imagine an employee sitting in the office trying to open a business website. The computer…
Explore Check Point Firewall Basic Configuration — Part 2: Security Policies, NAT, Logging and VerificationPractical utilities for everyday technical tasks.
Build confidence and discover what to learn next.
Test your understanding, review your results and strengthen your skills.
Start practice →Test your understanding, review your results and strengthen your skills.
Start practice →Test your understanding, review your results and strengthen your skills.
Start practice →Follow the articles in order, from the foundations to practical application.
Understand layers, connections and access controls.
Follow packet flow, configure a firewall, then explore NAT and resilience.
Set up EVE-NG and add Windows and Linux systems.
Learn TCP, deploy HTTP/3 and test your configuration.