Critical NGINX Vulnerability Can Crash Workers and May Allow Remote Code Execution

F5 has shipped fixes for a critical nginx flaw that lets a remote, unauthenticated attacker trigger a heap buffer overflow in the worker process with crafted HTTP requests. CVE-2026-42533 was patched on July 15 in nginx 1.30.4 (stable) and 1.31.3

UAC-0145 Uses ClickFix CAPTCHAs to Infect Ukrainian Devices wih Malware

Russian state-sponsored threat actors have been observed leveraging the infamous ClickFix strategy to trick Ukrainian targets into infecting their own machines with data-stealing malware. According to the Computer Emergency Response Team of Ukraine (CERT-UA), the activity has been attributed to

SonicWall SMA Zero-Days Exploited Before Disclosure to Gain Root Access

A previously undocumented threat actor has been attributed to the exploitation of recently disclosed SonicWall Secure Mobile Access (SMA) 1000 series VPN appliances as zero-days prior their public disclosure since June 22, 2026. Cybersecurity company Volexity is tracking the activity