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CVE-2026-42530 & CVE-2026-42055

Two 9.2s in stock NGINX: inside the HTTP/3 QPACK use-after-free and the gRPC heap overflow F5 just patched

The CyberSec Guru

F5 patched two critical NGINX flaws (CVSS 9.2): a QPACK use-after-free in HTTP/3 and a gRPC heap overflow. Full technical breakdown and PoCs

FortiBleed

FortiBleed: How a Russian-Speaking Threat Group Quietly Compromised 75,000 Fortinet Firewalls Worldwide

The CyberSec Guru

FortiBleed exposed verified credentials for 75,000 Fortinet firewalls across 194 countries. Here’s the full technical breakdown of how it was all done

Mastra npm Supply Chain Attack

How 144 Mastra npm Packages Got Poisoned in Under an Hour And Nobody Noticed Until It Was Too Late

The CyberSec Guru

144 Mastra npm packages were compromised on June 17, 2026 via easy-day-js, a typosquatted dependency that drops a cross-platform infostealer

How a Single Rogue BGP Announcement Took Telegram Offline Across Three Continents

How a Single Rogue BGP Announcement Took Telegram Offline Across Three Continents

The CyberSec Guru

A single unauthorized BGP route from Reliance AS18101 redirected Telegram’s global traffic into a blackhole taking users offline in India and more

PSN Single-Letter Username Glitch

PSN’s One-Letter Username Glitch: What Actually Happened Under the Hood

The CyberSec Guru

A PSN glitch let users claim single-letter usernames blocked since 2006. Here’s the validation failure behind it and what Sony will likely do next

Advisory

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AnyDesk Hacked

Remote Desktop Software AnyDesk Hacked, Users Urged to Change Passwords

AnyDesk hacked: Cyberattack compromises production systems, raising concerns over source code security and user data. Immediate actions taken, passwords revoked, and new security measures implemented

Jenkins Security Alert Critical Vulnerability Exposes Servers to Remote Code Execution (RCE) Attacks

Jenkins Security Alert: Critical Vulnerability Exposes Servers to Remote Code Execution (RCE) Attacks

Jenkins Security Alert: Critical vulnerability poses remote code execution risk. Servers exposed. Immediate action required to patch and safeguard systems against potential exploitation. Stay vigilant