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Security Affairs newsletter Round 581 by Pierluigi Paganini – INTERNATIONAL EDITION


A new round of the weekly Security Affairs newsletter has arrived! Every week, the best security articles from Security Affairs are free in your email box.

Enjoy a new round of the weekly SecurityAffairs newsletter, including the international press.

Washington Pulled the Plug on Anthropic ‘s Fable 5 and Mythos 5 models. The Rest of the World Is Watching.
U.S. CISA adds Oracle PeopleSoft Enterprise PeopleTools flaw to its Known Exploited Vulnerabilities catalog
Iran-Linked Handala Breached a California Water Utility. It Could Have Done Worse, and It Knows That.
Oracle PeopleSoft RCE Flaw Used as Zero-Day in Ongoing ShinyHunters Campaign
OnyxC2 Malware-as-a-Service Offers Enterprise-Grade Data Theft
Chaotic Eclipse Strikes Again: New Zero-Day Unlocks BitLocker in Four Hours of Research
Fortinet patched a new critical FortiSandbox flaw
JDY Botnet Evolves After KV Takedown, Targets Military Networks
21,786 Home Cameras, No Password, No Warning
CVE-2026-10520 Exploited: Ivanti Sentry Gateways Compromised Shortly After Patch Release
Russian APTs Still Exploiting Patched WinRAR Flaw CVE-2025-8088
U.S. CISA adds Cisco Catalyst SD-WAN, Arista Extensible Operating System (EOS), and Google Chromium V8 flaws to its Known Exploited Vulnerabilities catalog
Chaotic Eclipse Unveils RoguePlanet Exploit Targeting Fully Patched Windows
“AI Worms”, researchers demonstrate autonomous malware capable of adapting to any online device
France’s Government Messaging App Tchap Got Breached
Microsoft Releases Record-Breaking Patch Tuesday With 208 CVEs
Critical Veeam RCE Flaw Lets Low-Privilege Users Take Over Backup Servers
Miasma Worm Compromises 73 Microsoft GitHub Repositories
Google fixes the fifth actively exploited Chrome zero-day of 2026
U.S. CISA adds BerriAI LiteLLM and Check Point Security Gateway flaws to its Known Exploited Vulnerabilities catalog
CVE-2026-23111: Linux nf_tables Flaw Enables Root Exploits
Meta Accuses NSO of Violating WhatsApp Court Injunction
Everest Forms Pro WordPress Flaw is Handing Attackers Admin Access
UNC3753 Escalates: From Vishing Calls to Physical Office Intrusions at US Legal and Financial Firms
Meta AI Recovery Tool Flaw Exposed 20,000+ Instagram Accounts
IoT Botnet C0XMO Adds Competitor-Killing Capability
DentaQuest Breach: ShinyHunters Publish Data Impacting 2.6M People

International Press – Newsletter

Cybercrime

Facebook Phishing Email Campaign: How Attackers Are Weaponizing Meta Business Manager Partner Requests

Seeking Counsel: Ongoing Targeted Campaign Against US Law Firms

Security Advisory – Action Required – Active Exploitation of Check Point VPN Authentication Bypass (CVE-2026-50751)

A data leak has reportedly affected the government messaging service Tchap, exposing over 643,000 messages

ShinyHunters Targets Education Sector with Oracle PeopleSoft Exploit

Ukrainian National Pleads Guilty to Wire Fraud Conspiracy in Connection with Conti Ransomware

Malware

IronWorm: Shai-Hulud’s rustier cousin

Using AI Agents to Analyze Malware on REMnux

The Miasma worm’s path of destruction

Shai-Hulud Descends to Hades: Miasma Worm Campaign Spreads with New PyPI Wave

Inside-Onyxc2-The-New-Stealer-Targeting-210-Apps

Hacking

Attackers Actively Exploiting Critical Vulnerability in Everest Forms Pro Plugin

How a USB-connected speaker can infect a PC without ever being touched

Reproducing CVE-2026-23111: How one character can change everything

Off By !: Exploiting a Use-after-Free in the Linux Kernel

The Blight Reaches Microsoft: 73 Repos Disabled in 105 Seconds

Google patches new Chrome zero-day flaw exploited in the wild

Will AI Kill the Bug Bounty Industry?

Nightmare Eclipse – RoguePlanet

GreatXML a bitlocker that seems to only work if you ever had Defender Offline Scan

Max severity Ivanti Sentry vulnerability now exploited in attacks

Intelligence and Information Warfare

VerdantBamboo: Just Another BRICKSTORM in the Firewall

Hackers pose as women seeking romance to spy on Russian soldiers

Russia upgrades rules for its digital spy system to better track citizens online

Old WinRAR Flaw Fuels Attacks on Ukraine: How Unmanaged Software Keeps the Door Open

Expanded JDY IoT and SOHO botnet enables rapid vulnerability exploitation

Hackers pose as women seeking romance to spy on Russian soldiers

OceanLotus: From external espionage to domestic targeting

Cyber Intel Brief: Handala Claims Breach of California Water Service

Cybersecurity

ESET APT Activity Report Q4 2025–Q1 2026

AI tools becoming hot commodities on ransomware marketplaces

Meta Deletes Face-Recognition System From Its Smart Glasses App After WIRED Report

Fighting Spyware: An Update From WhatsApp

The June 2026 Security Update Review

Nearly 22,000 Live Cameras With No Login Required: A Mysterium VPN Research

He Blew the Whistle on DOGE. Then His Brakes Were Cut

Anthropic to disable its most advanced AI models after US order limiting foreign access

Statement on the US government directive to suspend access to Fable 5 and Mythos 5

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Pierluigi Paganini

(SecurityAffairs – hacking, newsletter)





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