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Mastering Helix: Beginner's Guide from Hack The Box

Beginner’s Guide to Conquering Helix on Hack the Box

The CyberSec Guru

Conquer Helix on Hack The Box like a pro with the official HTB Writeup. Dominate this challenge and level up your cybersecurity skills

Dirty Frag

Dirty Frag: A Zero-Day With No Patch Just Handed Every Linux Server a Root Shell

The CyberSec Guru

The Dirty Frag Linux vulnerability enables universal root access on Ubuntu, RHEL, and Fedora. With no official patch available, read the analysis

Critical vm2 Sandbox Vulnerabilities

Security Alert: Dozen Critical Vulnerabilities Found in vm2 Node.js Library – Sandbox Escapes Allow Host Takeover

The CyberSec Guru

Over 12 critical vulnerabilities (CVSS 10.0) discovered in vm2 Node.js library allow attackers to escape the sandbox and execute host code.

DENIC .de Outage

Germany Deleted? The DNSSEC Mistake That Took Down .de

The CyberSec Guru

On May 5, 2026, a DENIC DNSSEC error took millions of .de websites offline. Read in-depth technical analysis of the outage that paralyzed Germany's internet

Linux User and Permission Models

Linux User and Permission Models: A Deep Technical Guide from First Principles to Engineer

The CyberSec Guru

The Linux user and permission models are not just about memorizing chmod 755 or knowing that root is powerful. They define every restriction

Upcoming Post and Series

Upcoming Series and Posts for Members

The CyberSec Guru

This membership is not meant to be just a “support the site” button. The goal is to turn it into a serious cybersecurity learning space where members get deeper, more practical, and more useful content than what usually goes into public posts

Apache RCE CVE-2026-23918

Millions at Risk: Critical Apache HTTP Server Vulnerabilities Expose Servers to RCE Attacks

The CyberSec Guru

Apache HTTP Server releases version 2.4.67 to fix a critical RCE vulnerability (CVE-2026-23918) and privilege escalation flaws. Upgrade now

Alleged NVIDIA GeForce NOW Data Breach

Alleged NVIDIA GeForce NOW Data Breach: ShinyHunters Claims Millions of Records Compromised

The CyberSec Guru

Alleged NVIDIA GeForce NOW data breach by ShinyHunters. Over millions of user records, including emails and 2FA status, reportedly for sale

CVE-2026-41940 cPanel PoC

Critical cPanel & WHM Zero-Day (CVE-2026-41940) Grants Root Access; PoC Circulates on Dark Web

The CyberSec Guru

A critical authentication bypass (CVE-2026-41940) in cPanel & WHM allows unauthenticated root access. PoC is circulating in dark web forums

CVE-2026-31431 “Copy Fail” Explained

A 732-byte Python script has been giving hackers root on your Linux servers since 2017 – Here’s everything

The CyberSec Guru

A 732-byte Python script has been giving hackers root on Linux servers since 2017. CVE-2026-31431 Copy Fail affects Ubuntu, RHEL, Amazon Linux and SUSE