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Security News, Assessments & Alerts Page 63

Security News, Assessments & Alerts

Security Issues, Vulnerabilities, Exploits & Government Alerts

Cloudflare Fixes ACME Validation Bug Allowing WAF Bypass to Origin Servers

Cloudflare Fixes ACME Validation Bug Allowing WAF Bypass to Origin Servers

Ravie LakshmananJan 20, 2026Web Security / Vulnerability Cloudflare has addressed a security vulnerability impacting its Automatic Certificate Management Environment (ACME) validation logic that made it possible to bypass security controls and access origin servers. “The… 

Tudou Guarantee Marketplace Halts Telegram Transactions After Processing Over  Billion

Tudou Guarantee Marketplace Halts Telegram Transactions After Processing Over $12 Billion

Ravie LakshmananJan 20, 2026Cryptocurrency / Artificial Intelligence A Telegram-based guarantee marketplace known for advertising a broad range of illicit services appears to be winding down its operations, according to new findings from Elliptic. The blockchain… 

Google Gemini Prompt Injection Flaw Exposed Private Calendar Data via Malicious Invites

Google Gemini Prompt Injection Flaw Exposed Private Calendar Data via Malicious Invites

Cybersecurity researchers have disclosed details of a security flaw that leverages indirect prompt injection targeting Google Gemini as a way to bypass authorization guardrails and use Google Calendar as a data extraction mechanism. The vulnerability,… 

Fortinet Exploits, RedLine Clipjack, NTLM Crack, Copilot Attack & More

Fortinet Exploits, RedLine Clipjack, NTLM Crack, Copilot Attack & More

Ravie LakshmananJan 19, 2026Hacking News / Cybersecurity In cybersecurity, the line between a normal update and a serious incident keeps getting thinner. Systems that once felt reliable are now under pressure from constant change. New… 

New StackWarp Hardware Flaw Breaks AMD SEV-SNP Protections on Zen 1–5 CPUs

New StackWarp Hardware Flaw Breaks AMD SEV-SNP Protections on Zen 1–5 CPUs

Ravie LakshmananJan 19, 2026Hardware Security / Vulnerability A team of academics from the CISPA Helmholtz Center for Information Security in Germany has disclosed the details of a new hardware vulnerability affecting AMD processors. The security… 

CrashFix Chrome Extension Delivers ModeloRAT Using ClickFix-Style Browser Crash Lures

CrashFix Chrome Extension Delivers ModeloRAT Using ClickFix-Style Browser Crash Lures

Cybersecurity researchers have disclosed details of an ongoing campaign dubbed KongTuke that used a malicious Google Chrome extension masquerading as an ad blocker to deliberately crash the web browser and trick victims into running arbitrary… 

Security Bug in StealC Malware Panel Let Researchers Spy on Threat Actor Operations

Security Bug in StealC Malware Panel Let Researchers Spy on Threat Actor Operations

Ravie LakshmananJan 19, 2026Malware / Threat Intelligence Cybersecurity researchers have disclosed a cross-site scripting (XSS) vulnerability in the web-based control panel used by operators of the StealC information stealer, allowing them to gather crucial insights… 

Black Basta Ransomware Leader Added to EU Most Wanted and INTERPOL Red Notice

Black Basta Ransomware Leader Added to EU Most Wanted and INTERPOL Red Notice

Ravie LakshmananJan 17, 2026Law Enforcement / Cybercrime Ukrainian and German law enforcement authorities have identified two Ukrainians suspected of working for the Russia-linked ransomware-as-a-service (RaaS) group Black Basta. In addition, the group’s alleged leader, a…