Unpatched XRING Flaw in XQUIC Lets Remote Clients Crash HTTP/3 Servers
A single wrong variable on one line in XQUIC, Alibaba’s QUIC and HTTP/3 library, lets any remote client crash the server with a short burst of completely legal traffic. There…
A single wrong variable on one line in XQUIC, Alibaba’s QUIC and HTTP/3 library, lets any remote client crash the server with a short burst of completely legal traffic. There…
A new two-stage malware family called RustDuck is hijacking home routers, IP cameras, Android boxes, and poorly secured servers, then stitching them into a network built to knock websites and…
Dutch law enforcement authorities, along with counterparts from Canada , Germany, and the U.S., have disrupted malicious infrastructure associated with SocGholish and cleaned up nearly 15,000 infected WordPress websites. «With…
A default low-privilege account on a LiteLLM proxy can climb to full admin and run code on the server by chaining three vulnerabilities, researchers at Obsidian Security disclosed LiteLLM is…
Ravie LakshmananJun 05, 2026Cyber Espionage / Threat Intelligence Cybersecurity researchers have discovered a previously unreported threat cluster dubbed OP-512 (where «OP» stands for «opponent») that has been observed targeting Microsoft Internet…
Ravie LakshmananJun 05, 2026Threat Intelligence / Cloud Security The threat actor known as PCPJack has hijacked cloud servers associated with Amazon Web Services (AWS), Google Cloud, and Microsoft Azure to…
Ravie LakshmananApr 14, 2026Vulnerability / Network Security A critical security vulnerability impacting ShowDoc, a document management and collaboration service popular in China, has come under active exploitation in the wild. The vulnerability…
Ravie LakshmananApr 10, 2026Malware / Website Security Unknown threat actors have hijacked the update system for the Smart Slider 3 Pro plugin for WordPress and Joomla to push a poisoned…
Ravie LakshmananApr 03, 2026Linux / Server Hardening Threat actors are increasingly using HTTP cookies as a control channel for PHP-based web shells on Linux servers and to achieve remote code execution,…
Ravie LakshmananMar 19, 2026Cyber Espionage / Threat Intelligence Cybersecurity researchers have flagged a new malware dubbed Speagle that hijacks the functionality and infrastructure of a legitimate program called Cobra DocGuard.…