Cyber Security
Cybersecurity
University Student’s TETRA Replay Attack Halts Taiwan Bullet Train
A Taiwan university student used cheap radio equipment to replay TETRA signals, disabling the island's high-speed rail network for nearly an hour in 2026.
Application Security
Five Malicious NuGet Packages Target Chinese .NET Developers
Socket discovered five NuGet packages typosquatting Chinese .NET UI libraries — IR.DantUI, IR.OscarUI, and three more — amassing 65,000 downloads while stealing credentials from 12 ...
Cybersecurity
QLNX Fileless Linux RAT Combines eBPF Rootkit, PAM Backdoor
QLNX is a fileless Linux RAT using eBPF rootkit and PAM backdoor to steal npm, PyPI, AWS, and GitHub tokens from developer hosts with near-zero ...
Cybersecurity
ShinyHunters Leaks 50GB After Vishing Breach at Cushman & Wakefield
Cushman & Wakefield confirmed a vishing-enabled breach after ShinyHunters and Qilin ransomware listed the firm separately. ShinyHunters published a 50GB Salesforce dataset after the May ...
Application Security
Google GTIG Documents First AI-Generated Zero-Day Exploit
Google's Threat Intelligence Group confirmed the first AI-generated zero-day exploit, targeting 2FA logic in an open-source web admin tool via LLM-written code.
Application Security
Apache CVE-2026-23918: HTTP/2 Double-Free Enables RCE on Debian
Apache patched CVE-2026-23918 (CVSS 8.8), a double-free in mod_http2 that enables RCE on Debian-default Linux servers. Fix ships in Apache HTTP Server 2.4.67.
Application Security
SailPoint GitHub Repositories Breached via Third-Party App Flaw
SailPoint disclosed unauthorized access to its GitHub repositories through a third-party app vulnerability on April 20, 2026, exposing source code data.
Cybersecurity
TrickMo Android Banker Routes C2 Traffic Through TON Blockchain
ThreatFabric identified Trickmo.C, a TrickMo Android banking trojan routing C2 through TON blockchain with SSH tunneling, SOCKS5, and NFC capabilities targeting European banking users.
Application Security
CVE-2026-7482 in Ollama Exposes 300,000 AI Servers to Memory Leaks
CVE-2026-7482, dubbed 'Bleeding Llama,' exposes 300,000+ Ollama AI servers to heap memory leaks via a crafted GGUF file. Patch to version 0.17.1 is available.
Application Security
JDownloader Website Hacked to Serve Python RAT Malware
Unknown attackers compromised the official JDownloader website and replaced legitimate Windows and Linux installers with a Python-based remote access trojan.
Cybersecurity
NVIDIA GeForce NOW Breach Exposes Armenian Users’ Data
NVIDIA confirmed a GeForce NOW data breach via Armenian partner GFN.am, exposing names, emails, and phone numbers of users registered before March 9, 2026.
Cybersecurity
RansomHouse Breaches Trellix; Source Code Repositories Accessed
Trellix confirmed unauthorized access to its source code repositories after RansomHouse posted photographic evidence of the breach. Law enforcement has been notified.
Application Security
Fake OpenAI Repo Trended on Hugging Face Before Malware Found
A fraudulent OpenAI repository reached Hugging Face's trending list while distributing infostealing malware targeting credentials and access tokens.
Cybersecurity
MacSync Infostealer Weaponizes Google Ads and Claude.ai Chats
Attackers chain Google sponsored ads with fake Claude.ai chat sessions to deliver MacSync, a macOS infostealer harvesting Keychain contents and browser credentials.
Cybersecurity
Germany, Spain Dismantle Rebooted Crimenetwork, Arrest Operator
German and Spanish authorities shut down the relaunched Crimenetwork dark web marketplace and arrested its 35-year-old German operator in Mallorca under a European arrest warrant.
Cybersecurity
TCLBanker Trojan Spreads via WhatsApp and Outlook, Hits 59 Banks
Researchers identify TCLBanker, a Brazilian banking trojan targeting 59 financial platforms that self-propagates by sending malicious messages through victims' WhatsApp and Outlook accounts.
Application Security
cPanel and WHM Patch Three CVEs, Two Rated High Severity
cPanel patched two CVSS 8.8 flaws including Perl code execution in WHM, as the 40,000-server CVE-2026-41940 campaign remains active.
Application Security
Twelve Critical vm2 Vulnerabilities Allow Node.js Sandbox Escape
Researchers disclosed 12 critical vulnerabilities in the widely-used vm2 Node.js sandbox library, all enabling sandbox escape and arbitrary code execution on the host system.
Cybersecurity
Fake Claude AI Site Delivers New Beagle Windows Backdoor
A malicious website impersonating Claude AI distributes a new, previously undocumented Windows backdoor named Beagle to users seeking to download the AI assistant application.
Application Security
RCE, MCP OAuth Hijack, and Prompt Injection Found in Claude Dev Tools
Security researchers from Adversa AI and Mitiga disclosed a one-click RCE, silent MCP OAuth token hijacking, and a Chrome extension prompt injection vulnerability in Claude ...
CVE Vulnerability Alerts
PHP2Shell Attacks on Check Point Gateways Deploy TSGA, ESXi Wiper
TOP CYBERSECURITY HEADLINES
CVE Vulnerability Alerts
Citrix Patches 28 NetScaler Flaws and Critical Console Auth Bypass
This Week’s Security Spotlight
CVE Vulnerability Alerts
Barracuda Flaws CVE-2026-116606 and CVE-2026-111560 Exploited
CVE Vulnerability Alerts
Intel and AMD Patch Over 200 Vulnerabilities in November Updates
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ShinyHunters Leaks 50GB After Vishing Breach at Cushman & Wakefield
Cushman & Wakefield confirmed a vishing-enabled breach after ShinyHunters and Qilin ransomware listed the firm separately. ShinyHunters published a 50GB Salesforce dataset after the May ...
Google GTIG Documents First AI-Generated Zero-Day Exploit
Google's Threat Intelligence Group confirmed the first AI-generated zero-day exploit, targeting 2FA logic in an open-source web admin tool via LLM-written code.
Apache CVE-2026-23918: HTTP/2 Double-Free Enables RCE on Debian
Apache patched CVE-2026-23918 (CVSS 8.8), a double-free in mod_http2 that enables RCE on Debian-default Linux servers. Fix ships in Apache HTTP Server 2.4.67.
SailPoint GitHub Repositories Breached via Third-Party App Flaw
SailPoint disclosed unauthorized access to its GitHub repositories through a third-party app vulnerability on April 20, 2026, exposing source code data.
TrickMo Android Banker Routes C2 Traffic Through TON Blockchain
ThreatFabric identified Trickmo.C, a TrickMo Android banking trojan routing C2 through TON blockchain with SSH tunneling, SOCKS5, and NFC capabilities targeting European banking users.
CVE-2026-7482 in Ollama Exposes 300,000 AI Servers to Memory Leaks
CVE-2026-7482, dubbed 'Bleeding Llama,' exposes 300,000+ Ollama AI servers to heap memory leaks via a crafted GGUF file. Patch to version 0.17.1 is available.
JDownloader Website Hacked to Serve Python RAT Malware
Unknown attackers compromised the official JDownloader website and replaced legitimate Windows and Linux installers with a Python-based remote access trojan.
NVIDIA GeForce NOW Breach Exposes Armenian Users’ Data
NVIDIA confirmed a GeForce NOW data breach via Armenian partner GFN.am, exposing names, emails, and phone numbers of users registered before March 9, 2026.
RansomHouse Breaches Trellix; Source Code Repositories Accessed
Trellix confirmed unauthorized access to its source code repositories after RansomHouse posted photographic evidence of the breach. Law enforcement has been notified.
Fake OpenAI Repo Trended on Hugging Face Before Malware Found
A fraudulent OpenAI repository reached Hugging Face's trending list while distributing infostealing malware targeting credentials and access tokens.
MacSync Infostealer Weaponizes Google Ads and Claude.ai Chats
Attackers chain Google sponsored ads with fake Claude.ai chat sessions to deliver MacSync, a macOS infostealer harvesting Keychain contents and browser credentials.
Germany, Spain Dismantle Rebooted Crimenetwork, Arrest Operator
German and Spanish authorities shut down the relaunched Crimenetwork dark web marketplace and arrested its 35-year-old German operator in Mallorca under a European arrest warrant.
TCLBanker Trojan Spreads via WhatsApp and Outlook, Hits 59 Banks
Researchers identify TCLBanker, a Brazilian banking trojan targeting 59 financial platforms that self-propagates by sending malicious messages through victims' WhatsApp and Outlook accounts.
cPanel and WHM Patch Three CVEs, Two Rated High Severity
cPanel patched two CVSS 8.8 flaws including Perl code execution in WHM, as the 40,000-server CVE-2026-41940 campaign remains active.
Twelve Critical vm2 Vulnerabilities Allow Node.js Sandbox Escape
Researchers disclosed 12 critical vulnerabilities in the widely-used vm2 Node.js sandbox library, all enabling sandbox escape and arbitrary code execution on the host system.
Fake Claude AI Site Delivers New Beagle Windows Backdoor
A malicious website impersonating Claude AI distributes a new, previously undocumented Windows backdoor named Beagle to users seeking to download the AI assistant application.
RCE, MCP OAuth Hijack, and Prompt Injection Found in Claude Dev Tools
Security researchers from Adversa AI and Mitiga disclosed a one-click RCE, silent MCP OAuth token hijacking, and a Chrome extension prompt injection vulnerability in Claude ...
“Dirty Frag” Zero-Day Grants Root Access on Most Linux Distributions
A critical unpatched Linux kernel privilege escalation flaw dubbed Dirty Frag lets local attackers gain root via a single command across major distributions.
Zara Data Breach Exposes Personal Data of More Than 197,000 Customers
Fashion retailer Zara confirmed a data breach affecting over 197,000 customers after hackers accessed databases containing personal information from Inditex systems.
Nation-State Actors Exploited PAN-OS CVE-2026-0300 for Nearly a Month
State-sponsored actors exploited CVE-2026-0300, a critical CVSS 9.3 RCE flaw in PAN-OS, for roughly one month before disclosure. CISA deadline is May 9.