Latest cybersecurity reporting from selected sources.

A China-linked threat cluster has been exploiting vulnerable Roundcube servers at U.S. and Canadian universities to steal credentials and deploy backdoor malware. [...]

Attackers are hiding a data-stealing trojan inside fake exploit code aimed at the people who hunt bugs for a living. The malware, called ChocoPoC, travels in Python proof-of-concept (PoC) repositories on GitHub that claim to exploit hot new CVEs

An unknown threat actor has been observed exploiting a recently disclosed maximum-severity security flaw in SimpleHelp to deliver two previously unreported malware families, TaskWeaver and Djinn Stealer

Gamaredon exploits a WinRAR flaw to drop modular, nearly fileless malware on Ukrainian targets, hiding payloads in Windows streams and resolving C2s via Telegram. Sekoia’s Threat Detection & Research team dropped a YARA rule in late December 2025 to hunt for new initial access vectors, and by January 2026 it had already generated a dozen […]

The Russian hacking group known as Gamaredon has been attributed to the continued exploitation of a WinRAR vulnerability to deliver multiple malware families aimed at data theft and propagation

Hackers are exploiting an authentication bypass vulnerability (CVE-2026-35616) in FortiClient Enterprise Management Server (EMS) to deliver an undocumented credential stealer called EKZ. [...]

A new Mirai-based malware campaign is actively exploiting CVE-2025-29635, a high-severity command-injection vulnerability affecting D-Link DIR-823X routers, to enlist devices into the botnet. [...]

Hackers are exploiting a critical vulnerability in Marimo reactive Python notebook to deploy a new variant of NKAbuse malware hosted on Hugging Face Spaces. [...]

A new analysis of endpoint detection and response (EDR) killers has revealed that 54 of them leverage a technique known as bring your own vulnerable driver (BYOVD) by abusing a total of 35 vulnerable drivers

LLM-Built Toolkit Hit 91 Hosts, Mined Funds in MoneroSecurity researchers detected artificial intelligence-generated malware exploiting the React2Shell vulnerability, allowing attackers with no coding expertise to build functional exploits. The attacker may have circumvented an AI model's safeguards by framing the malicious coding request as homework.

Security experts have disclosed details of an active malware campaign that's exploiting a DLL side-loading vulnerability in a legitimate binary associated with the open-source c-ares library to bypass security controls and deliver a wide range of commodity trojans and stealers

The RondoDox botnet has been observed exploiting the critical React2Shell flaw (CVE-2025-55182) to infect vulnerable Next.js servers with malware and cryptominers. [...]

The WebRAT malware is now being distributed through GitHub repositories that claim to host proof-of-concept exploits for recently disclosed vulnerabilities. [...]

2 More Vulnerabilities Need Patching in React Server Components, Warns VercelMass exploitation of the "React2Shell" - CVE-2025-55182 - vulnerability remains underway by nation-state hackers tied to China, North Korea and Iran, as well as financially motivated cybercriminals running everything from cryptomining malware to DDoS services, security experts warn.

Exploit hasn't been picked up by any malware detection engines, CEO tells The Reg A Microsoft zero-day vulnerability that allows an unprivileged user to crash the Windows Remote Access Connection Manager (RasMan) service now has a free, unofficial patch - with no word as to when Redmond plans to release an official one - along with a working exploit circulating online.…

A new Mirai-based botnet malware named 'ShadowV2' has been observed targeting IoT devices from D-Link, TP-Link, and other vendors with exploits for known vulnerabilities. [...]

A recently patched security flaw in Microsoft Windows Server Update Services (WSUS) has been exploited by threat actors to distribute malware known as ShadowPad

The botnet malware known as RondoDox has been observed targeting unpatched XWiki instances against a critical security flaw that could allow attackers to achieve arbitrary code execution

Cybersecurity researchers have discovered a new vulnerability in OpenAI's ChatGPT Atlas web browser that could allow malicious actors to inject nefarious instructions into the artificial intelligence (AI)-powered assistant's memory and run arbitrary code

Malware campaigns distributing the RondoDox botnet have expanded their targeting focus to exploit more than 50 vulnerabilities across over 30 vendors