Category: GBHackers Security | #1 Globally Trusted Cyber Security News Platform

Crafted JPEGs Could Trigger PHP Memory Bugs for Exploitation

PHP, one of the most widely used web programming languages, is rarely viewed as a direct attack surface at its core level. Security focus typically shifts toward frameworks and third-party libraries. However, new research shows that PHP’s built-in functionality specifically…

Linux “ssh-keysign-pwn” Flaw Exposing Critical Authentication Files

A newly disclosed Linux kernel vulnerability, dubbed “ssh-keysign-pwn” by Qualys researchers, exposes millions of Linux systems to unauthorized access to sensitive SSH private keys and hashed passwords stored in /etc/shadow. Tracked as CVE-2026-46333 and GHSA-pm8f-4p6p-6×53, the flaw has existed undetected for approximately six years and was…

Gunra Ransomware Expands RaaS After Conti Locker Shift

Gunra ransomware is rapidly evolving into a more structured and dangerous cybercrime operation after shifting from a Conti-based locker to its own Ransomware-as-a-Service (RaaS) model. First discovered in April 2025, the group initially targeted a small number of victims, but…

Hackers Exploit OAuth Device Flow to Steal Microsoft 365 Tokens

Hackers are rapidly weaponizing a little-known Microsoft authentication feature to hijack enterprise accounts, as device code phishing surges across the threat landscape. The spike in activity is closely tied to the public release of criminal toolkits and phishing-as-a-service (PhaaS) platforms,…

Microsoft Warns HPE Operations Agent Abused in Malware-Free Attacks

Microsoft has revealed a stealthy intrusion campaign where attackers bypassed traditional malware and exploits, instead abusing trusted enterprise tools to silently infiltrate networks. The technique highlights a growing shift in cyberattacks where adversaries rely on legitimate software and existing trust…

Amazon Redshift JDBC Driver Flaws Expose Systems to RCE Attacks

Amazon Redshift users are facing a serious security risk after researchers uncovered a high-severity vulnerability that could allow attackers to execute arbitrary code on affected systems. The flaw, tracked as CVE-2026-8178, affects the widely used Amazon Redshift JDBC Driver and…