CVE-2026-50751: Check Point VPN 0-Day Actively Exploited to Deploy Qilin Ransomware
A critical CVSS 9.3 authentication bypass in Check Point Remote Access VPN (CVE-2026-50751) is being actively exploited in the wild, with confirmed post-compromise activity linked to the Qilin...
CVE-2026-23111: Linux Kernel nftables Use-After-Free Enables Root Privilege Escalation — Public Exploit Available
A use-after-free vulnerability in the Linux kernel nftables subsystem (CVE-2026-23111) allows unprivileged local attackers to escalate privileges to root on Debian and Ubuntu LTS systems. A public exploit...
WhatsApp Disrupts Fresh NSO Group Pegasus Campaign, Seeks Court Contempt Order
Meta's WhatsApp has disrupted a new NSO Group-linked Pegasus spyware campaign targeting users in Jordan and Lebanon, and is now petitioning a U.S. federal court to hold NSO...
China-Linked OP-512 Uses Cryptographically Unique Web Shells in Patient IIS Server Espionage Campaign
ReliaQuest has uncovered OP-512, a new China-linked threat cluster targeting IIS servers with a custom web shell framework that generates cryptographically unique signatures per deployment, evading traditional detection....
Instagram Logic Bug Exposed Unredacted Emails and Phone Numbers for Any Account — Including Mark Zuckerberg’s
A critical logic flaw in Instagram's web-based password reset flow exposed fully unredacted email addresses and phone numbers for any account by username, including high-profile accounts. Meta patched...
EDRChoker: New Red Team Tool Silences Cloud-Connected EDR Agents by Choking Network With Windows QoS
A new open-source tool called EDRChoker throttles EDR agent network connections to 8 bps using Windows native Policy-Based QoS, effectively blinding cloud-connected endpoint security tools without generating WFP...
Hackers Can Hijack Claude Code MCP Traffic to Steal OAuth Tokens — No Patch Coming
Researchers at Mitiga Labs demonstrated a five-step npm supply chain attack that rewrites ~/.claude.json to redirect Claude Code MCP traffic through attacker-controlled infrastructure, silently capturing OAuth tokens for...
Microsoft Warns: Claude Code GitHub Action Exploitable via Prompt Injection to Leak CI/CD Secrets
Microsoft Threat Intelligence disclosed a prompt injection flaw in the Claude Code GitHub Action that allowed attackers to access /proc/self/environ and steal API keys from CI/CD runners. Anthropic...