Latest cybersecurity reporting from selected sources.

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

Hackers are exploiting a recently disclosed critical vulnerability (CVE-2026-48558) in SimpleHelp to deploy Djinn Stealer, a previously undocumented cross-platform information stealer targeting Windows, macOS, and Linux. [...]

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

Threat actors are exploiting a critical FortiClient EMS flaw, tracked as CVE-2026-35616, to deploy malware on unpatched systems. Threat actors are exploiting a critical FortiClient EMS vulnerability, tracked as CVE-2026-35616 (CVSS score of 9.1), that allows remote code execution without authentication. Fortinet released fixes in April after confirming zero-day attacks in the wild and urged […]

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. [...]

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

A ransomware gang exploited the critical React2Shell vulnerability (CVE-2025-55182) to gain initial access to corporate networks and deployed the file-encrypting malware less than a minute later. [...]

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.

An advanced threat actor exploited the critical vulnerabilities "Citrix Bleed 2" (CVE-2025-5777) in NetScaler ADC and Gateway, and CVE-2025-20337 affecting Cisco Identity Service Engine (ISE) as zero-days to deploy custom malware. [...]

Researchers have released a report detailing how a recent WinRAR path traversal vulnerability tracked as CVE-2025-8088 was exploited in zero-day attacks by the Russian 'RomCom' hacking group to drop different malware payloads. [...]

A recently fixed WinRAR vulnerability tracked as CVE-2025-8088 was exploited as a zero-day in phishing attacks to install the RomCom malware. [...]

Hackers were spotted exploiting a critical SAP NetWeaver vulnerability tracked as CVE-2025-31324 to deploy the Auto-Color Linux malware in a cyberattack on a U.S.-based chemicals company. [...]

Backdoor malware Auto-Color targets Linux systems, exploiting SAP NetWeaver flaw CVE-2025-31324

WinRAR has addressed a directory traversal vulnerability tracked as CVE-2025-6218 that, under certain circumstances, allows malware to be executed after extracting a malicious archive. [...]

Cybersecurity researchers are warning about a new malware called DslogdRAT that's installed following the exploitation of a now-patched security flaw in Ivanti Connect Secure (ICS)

CISA recommends immediate action to address malware variant RESURGE exploiting Ivanti vulnerability CVE-2025-0282

A new variant of the Mirai-based botnet malware Aquabot has been observed actively exploiting CVE-2024-41710, a command injection vulnerability in Mitel SIP phones. [...]

The security vulnerability tracked as CVE-2024-50603, which rates 10 out of 10 on the CVSS scale, enables unauthenticated remote code execution on affected systems, which cyberattackers are using to plant malware.

Ivanti is warning that a new Connect Secure remote code execution vulnerability tracked as CVE-2025-0282 was exploited in zero-day attacks to install malware on appliances. [...]

Unknown attackers have deployed a newly discovered backdoor dubbed Msupedge on a university's Windows systems in Taiwan, likely by exploiting a recently patched PHP remote code execution vulnerability (CVE-2024-4577). [...]