Latest Cybersecurity News and Articles


BlackX UEFI Bootkit Bypasses Secure Boot on Patched Windows Systems Missing Revocations

23 October 2026
Diplomatic organizations in Central Asia have been targeted by a sophisticated new Unified Extensible Firmware Interface (UEFI) bootkit called BlackX. The activity, which singled out diplomatic entities in Tajikistan, Uzbekistan, and Turkmenistan in early 2026, is suspected to be orchestrated by a China-linked state-sponsored hacking group known as APT41, Kaspersky said in a technical report

Ruby Fixes Three Regex Engine Bugs Responsible for Four Critical GitLab RCE Flaws

23 October 2026
Ruby has released versions 4.0.9, 3.4.12, and 3.3.13 to fix three bugs in Onigmo, the regular expression engine built into the language. The bugs lie behind four critical security flaws that GitLab patched over the past month. GitLab found that a specially crafted pattern could corrupt memory while Ruby compiles it, potentially leading to code execution on its own servers. Ruby says any

Exposed Infrastructure Reveals How Ransomware Affiliates Used AI Agents to Execute Intrusions

23 October 2026
Cybersecurity researchers have discovered an artificial intelligence (AI)-driven intrusion ecosystem run by affiliates of the INC and The Gentlemen ransomware groups. Central to the operation is an "Autonomous Red Team Kill Chain Framework" referred to as Phantom. The threat actor is assessed to be Russian-speaking and functions both as an intrusion and data-extortion operator, as well as an

In Other News: Tor Exit Relays Hijacked, Banks Spot Rogue AI Agents, Self-Rebuilding macOS Ransomware

23 October 2026
Noteworthy stories that might have slipped under the radar: Russia’s APT28 hit NATO defense firms, PingCAP source code stolen, ShinyHunters negotiator probe. The post In Other News: Tor Exit Relays Hijacked, Banks Spot Rogue AI Agents, Self-Rebuilding macOS Ransomware appeared first on SecurityWeek.

Hackers Breach Enterprise Firewalls and VPNs, Exposing Over 70,000 Credentials

23 October 2026
Cybersecurity researchers have disclosed details of a large-scale campaign that has targeted exposed network edge devices such as Fortinet FortiGate and Palo Alto Networks GlobalProtect firewalls. "Artifacts from this investigation also indicate that operators in this campaign have obtained access to numerous organizations worldwide, and have attempted to further compromise some victims,

Mirai Botnet Operators Join PHP2Shell Attacks as ASLR Bypass Exploits Emerge

23 October 2026
Researchers tie PHP2Shell attempts to a Mirai botnet and show an ASLR bypass, but no successful compromise has been confirmed yet. The post Mirai Botnet Operators Join PHP2Shell Attacks as ASLR Bypass Exploits Emerge appeared first on SecurityWeek.

URGENT - PHP Warns of Another Unpatched RCE Two Days After Emergency PHP2Shell Patches

23 October 2026
PHP has warned of another way an attacker could run code on a web server, two days after it shipped emergency fixes for the critical PHP2Shell flaws. The new issue, assigned CVE-2026-115560, affects only web applications configured in an unusual way, and PHP considers it an unlikely risk. The project is not issuing an emergency fix for it. Instead, it recommends turning off a feature called

Russian-Linked Hackers Used New Mesh Network Backdoor in Destructive Ukraine Attack

23 October 2026
The Russian state-sponsored hacking group Sandworm teamed up with another threat actor to carry out a destructive wiping attack targeting a Ukrainian logistics company last year. According to ESET, the attack involved UAC-0099 (aka Earth Sirrush) obtaining initial access to the target on July 16, 2025, via a spear-phishing email bearing a malware-laced attachment that led to the deployment of

China APT Uses AI Pentest Tool Artex in ConnectWise Attacks

23 October 2026
The state-sponsored hackers targeted hundreds of organizations and gained privileged access to some environments. The post China APT Uses AI Pentest Tool Artex in ConnectWise Attacks appeared first on SecurityWeek.

Attackers Exploit Third VeloCloud Orchestrator Zero-Day in Four Months

23 October 2026
The critical-severity SQL injection flaw allows attackers to access privileged internal functionality and gain operator privileges. The post Attackers Exploit Third VeloCloud Orchestrator Zero-Day in Four Months appeared first on SecurityWeek.

Critical Flaw in Python’s Popular Pillow Image Library Allows Code Execution via a Crafted Image

23 October 2026
Pillow, the most widely used image library for Python, can be made to run operating system commands on a server by specifying the name of a file it is told to open. The flaw, CVE-2026-112900, is in the way Pillow handles EPS images, which it opens by passing the file's name to Ghostscript, a separate program it runs to turn the image into pixels, without checking the name first.

Critical x402 SDK Flaw Could Let Malicious APIs Drain AI Agents’ Token Balances

23 October 2026
AI agents paying for API calls with the x402 SDKs could sign a payment for their full balance of a supported token if a malicious API asked for it, security firm V12 said on October 22. The cause was the SDKs' default client, which set no spending limit until releases on August 18 added one. The risk was limited to agents who automatically signed payments and whose apps set

11 Million Impacted by Capcom Data Breach

23 October 2026
The hackers stole 11 million email addresses from CAPCOM ID and changed the login passwords for 196 accounts. The post 11 Million Impacted by Capcom Data Breach appeared first on SecurityWeek.

Quest Diagnostics Reports Cyber Breach Affecting ‘Certain Patient Records’

23 October 2026
In a regulatory filing, Quest Diagnostics reported unauthorized access to its Quanum Lab Services Manager, a platform where certain clients can place test orders. The post Quest Diagnostics Reports Cyber Breach Affecting ‘Certain Patient Records’ appeared first on SecurityWeek.

LiteLLM Compromised in Fresh Supply Chain Attack

23 October 2026
Hackers used compromised GitHub CLI OAuth tokens to push and approve malicious packages on PyPI and Docker. The post LiteLLM Compromised in Fresh Supply Chain Attack appeared first on SecurityWeek.

Atlassian Patches 75 Flaws in Data Center and Server Products

23 October 2026
Atlassian’s October bulletin lists 176 vulnerability entries, including 14 critical-severity issues, all in third-party components. The post Atlassian Patches 75 Flaws in Data Center and Server Products appeared first on SecurityWeek.

Researchers Demonstrate Node2Shell RCE Exploit on Node.js Build Using Crafted Brotli Data

23 October 2026
Malicious Brotli data can make an application on an official build of Node.js run attacker-supplied code, security researchers at Imperva have demonstrated. Their "Node2Shell" proof of concept ran code on the official Node.js 24.22.0 image for Linux arm64, with no debugger or custom build, by feeding crafted data to the bundled Brotli decoder (CVE-2026-111497). Node.js disclosed the flaw

PHP2Shell Exploit Attempts Hit Millions as Attackers Try to Deploy Mirai Malware

23 October 2026
Threat actors have been observed unsuccessfully attempting to exploit the newly disclosed PHP2Shell vulnerabilities to rope infected systems into a Mirai botnet variant called Potassium, as it emerges that weaponizing the flaws may be harder than previously thought. The attacks aim to exploit CVE-2026-109618 and CVE-2026-109619 (CVSS scores: 9.2), which can result in unauthenticated remote

Iran’s Prince of Persia APT Hosts C&C in US for First Time Since 2016

23 October 2026
After a three-month lull, Prince of Persia hid a Tornado C&C server on US shared hosting, its first US-based server since 2016. The post Iran’s Prince of Persia APT Hosts C&C in US for First Time Since 2016 appeared first on SecurityWeek.

Arista Warns of Critical VeloCloud SQL Injection Zero-Day Exploited in Attacks

22 October 2026
Attackers are exploiting a zero-day SQL injection flaw in Arista's VeloCloud Orchestrator (VCO), the central management system for VeloCloud SD-WAN networks, the company said in an advisory on October 22. The flaw lets anyone who can log in to the orchestrator, even with a read-only customer account, gain operator privileges, the top level of control over it. For