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

GitLab Patches Multiple Flaws Allowing Arbitrary Code Execution

Linux administrators are being urged to update promptly after disclosures of multiple vulnerabilities in GitLab, including flaws that could enable cross-site scripting, authorization bypass, and denial of service in selfmanaged instances.   The latest patch releases, GitLab 18.7.1, 18.6.3, and 18.5.5, address these security…

Critical n8n Vulnerability Allows Authenticated Remote Code Execution

A critical security vulnerability has been discovered in n8n, the popular workflow automation tool, potentially allowing authenticated attackers to execute arbitrary code on the host server. Identified as CVE-2026-21877, this high-severity vulnerability affects both self-hosted and n8n Cloud instances, posing a…

Hackers Using Malicious QR Codes for Phishing via HTML Table

Threat actors are continuing to refine “quishing” phishing delivered through QR codes by shifting from traditional image-based payloads to “imageless” QR codes rendered directly in email HTML, a tactic designed to sidestep security tools that focus on decoding QR images.…

ProfileHound: Post-Escalation Tool Designed to Achieve Red Team Objectives

ProfileHound emerges as a specialized post-exploitation instrument for offensive security professionals seeking to identify high-value targets within Active Directory environments. The tool addresses a critical gap in red-team reconnaissance by enumerating domain user profiles stored on compromised machines, enabling operators…