Threat Advisories:
New Report Critical Threat Research : The Iranian Cyber War Intensifies! Download the Report
May 21, 2026

Weekly Threat Digest : 11th MAY to 17th MAY 2026

HiveForce Labs

HiveForce Labs

For a detailed threat digest, download the PDF file here



HiveForce Labs has reported a sharp rise in cybersecurity threats, highlighting the increasing complexity and frequency of global cyber incidents. Over the past week, nine major attacks were detected, twelve critical vulnerabilities were publicly disclosed, and four active threat actor groups were monitored, signaling a concerning escalation in malicious activity.

Dirty Frag (CVE-2026-43284/43500) Kernel-level privilege escalation in Linux networking enables unprivileged users to gain instant root access. Quasar Linux is a full-featured RAT targeting developers and DevOps workstations with rootkit, PAM backdoor, and credential harvesting to compromise publishing pipelines and orchestrate supply chain attacks.

GemStuffer is a campaign that injects malicious Ruby scripts into CI/CD pipelines to extract UK government intelligence through trojanized RubyGems packages, disguising theft as legitimate developer activity. These underscore the need for disciplined security updates and sustained monitoring in response to rapidly evolving attack methodologies.



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