September Patch Tuesday handles 81 CVEs

Node.js has released updates to fix what it described as a critical security issue impacting “virtually every production Node.js app” that, if successfully exploited, could trigger a denial-of-service (DoS) condition. “Node.js/V8 makes a best-effort attempt to recover from stack space exhaustion with a catchable error, which frameworks have come to rely on for service availability,”…

Cybersecurity researchers have flagged a new malware called PLAYFULGHOST that comes with a wide range of information-gathering features like keylogging, screen capture, audio capture, remote shell, and file transfer/execution. The backdoor, according to Google’s Managed Defense team, shares functional overlaps with a known remote administration tool referred to as Gh0st RAT, which had its source

A set of three security vulnerabilities has been disclosed in mcp-server-git, the official Git Model Context Protocol (MCP) server maintained by Anthropic, that could be exploited to read or delete arbitrary files and execute code under certain conditions. “These flaws can be exploited through prompt injection, meaning an attacker who can influence what an AI…

The threat actors behind the zero-day exploitation of a recently-patched security vulnerability in Microsoft Windows have been found to deliver two new backdoors called SilentPrism and DarkWisp. The activity has been attributed to a suspected Russian hacking group called Water Gamayun, which is also known as EncryptHub and LARVA-208. “The threat actor deploys payloads primarily…

Cybersecurity researchers have uncovered two local privilege escalation (LPE) flaws that could be exploited to gain root privileges on machines running major Linux distributions. The vulnerabilities, discovered by Qualys, are listed below – CVE-2025-6018 – LPE from unprivileged to allow_active in SUSE 15’s Pluggable Authentication Modules (PAM) CVE-2025-6019 – LPE from allow_active to root in

Cybersecurity researchers have disclosed details of a new campaign that exploited a recently disclosed security flaw impacting Cisco IOS Software and IOS XE Software to deploy Linux rootkits on older, unprotected systems. The activity, codenamed Operation Zero Disco by Trend Micro, involves the weaponization of CVE-2025-20352 (CVSS score: 7.7), a stack overflow vulnerability in the…