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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. [...]
No Patches Yet Available, After Third Party Published Vulnerability DetailsSecurity researchers have discovered a new, critical flaw in the Linux kernel that attackers can exploit to gain root access. No patches are yet available to fix "Dirty Frag," the second new local privilege escalation flaw to be found in two weeks, following the similar "Copy Fail" vulnerability.
Threat hunters are warning that the cybercriminal operation known as VECT 2.0 acts more like a wiper than a ransomware due to a critical flaw in its encryption implementation across Windows, Linux, and ESXi variants that renders recovery impossible even for the threat actors
Hackers are actively exploiting a critical vulnerability (CVE-2025-32463) in the sudo package that enables the execution of commands with root-level privileges on Linux operating systems. [...]
Intruders hoped no one would notice their presence Criminals exploiting a critical vulnerability in open source Apache ActiveMQ middleware are fixing the flaw that allowed them access, after establishing persistence on Linux servers.…
Embedded Device Operating Sytem Had Flaw Allowing Hacers to Bypass Integrity CheckA critical flaw in the updating service of a popular Linux operating system for embedded devices could enable hackers to compromise firmware with malicious images. OpenWrt developers patched the vulnerability, with a CVSS core of 9.3 and tracked as CVE-2024-54143.
The attacks exploit CVE-2023-22518, a critical flaw in Atlassian Confluence Data Center and Server
The flaw allows the installation of malware that operates at the firmware level
A critical vulnerability in the Shim Linux bootloader enables attackers to execute code and take control of a target system before the kernel is loaded, bypassing existing security mechanisms. [...]
The maintainers of shim have released version 15.8 to address six security flaws, including a critical bug that could pave the way for remote code execution under specific circumstances
Cybersecurity researchers have disclosed two unpatched security vulnerabilities in the open-source U-Boot boot loader