Security Affairs

Operation Endgame disrupted malware services like StealC and Amadey that enable ransomware, fraud, and attacks on critical infrastructure. Between June 15 and 19, 2026, Europol coordinated a two-week law enforcement operation involving agencies from Canada, Denmark, Germany, the Netherlands, the UK, and the US, alongside private firms like Microsoft, Bitdefender, IBM X-Force, Proofpoint, Infoblox, Shadowserver, […]

Frontier AI could drive a 10x surge in vulnerabilities. CTEM helps organizations continuously identify, prioritize, and reduce real cyber risk. Your vulnerability management program was not designed for what is coming next. More than 40,000 CVEs were reported in 2025, breaking yet another record. Today, security experts anticipate that frontier AI-powered systems could drive a […]

Attackers exploit Cisco Unified CM flaw (CVE-2026-20230) allowing unauth HTTP requests to trigger SSRF, write files, and gain root access Cisco Unified Communications Manager has a serious vulnerability, tracked as CVE-2026-20230 (CVSS score of 8.6), that attackers are already exploiting. The flaw, caused by improper validation of certain HTTP requests, allows a remote attacker without […]

U.S. Cybersecurity and Infrastructure Security Agency (CISA) adds Ubiquiti UniFi OS and Lantronix EDS5000 flaws to its Known Exploited Vulnerabilities catalog. The U.S. Cybersecurity and Infrastructure Security Agency (CISA) added Ubiquiti UniFi OS and Lantronix EDS5000 flaws to its Known Exploited Vulnerabilities (KEV) catalog. The two flaws added to the catalog are: The first flaw, tracked […]

FortiBleed exposed valid credentials for 73,000+ Fortinet firewalls, revealing a large-scale access-brokering operation targeting organizations worldwide. In mid-June 2026, researcher Volodymyr “Bob” Diachenko found a live, exposed server containing working login credentials for tens of thousands of Fortinet firewalls, a data leak code-named FortiBleed. The headline number, valid remote-access logins for 73,932 devices across 21,632 […]

A nationwide GSM-R outage stopped trains across Germany, exposing how one aging communications system can still bring an entire rail network to a halt At 10:30 PM on Tuesday June 23, Deutsche Bahn told passengers something that had never happened before for technical reasons: all trains across Germany were being held at their stations. The […]

Samsung’s KNOX flaw (CVE-2026-20971) is a kernel UAF in PROCA/FIVE that can enable corruption via a race; Samsung patched it in Jan 2026. Experts found a nasty kernel flaw in Samsung’s KNOX stack, and the uncomfortable part is where it lived: inside the software designed to raise the bar for attackers. CVE-2026-20971 is a use-after-free […]

Four flaws in Dify exposed cross-tenant data, documents and AI conversations. Two critical bugs enabled unauthenticated access and data theft. Zafran Labs researchers disclosed four vulnerabilities in Dify, the open-source AI platform used by major companies like Volvo and Maersk to run over a million applications across over 60 industries. Two vulnerabilities are of critical […]

Xsolis disclosed a breach affecting 1.4M people after a phishing attack exposed personal and health data from its hospital clients’ systems. Healthcare tech company Xsolis, Inc. has disclosed a data breach impacting nearly 1.4 million individuals. The Tennessee-based firm provides utilization management and revenue cycle solutions for healthcare providers. The company became aware of an […]

Attackers backdoored ShapedPlugin Pro updates, deploying malware that steals credentials, 2FA secrets, and grants full site access. If you installed a ShapedPlugin Pro plugin between April and June 2026 and kept it updated, your site may be compromised. Not because you did something wrong, but because the vendor’s own build and distribution pipeline was breached. […]

Squidbleed is a 29-year-old Squid Proxy flaw that can leak credentials, tokens, and other users’ HTTP data through a memory overread. Researchers at Calif.io have disclosed CVE-2026-47729, a memory leak vulnerability in Squid Proxy that was introduced in 1997 and has remained undetected through nearly three decades of releases, audits, and rewrites. They named it […]

WhatsApp accounts were hijacked to spread fake debt notices that install remote access software, giving attackers control of victims’ PCs. Kaspersky published a technical analysis this week of an active malware campaign that spreads through WhatsApp messages and ends with a remote management tool silently installed on the victim’s machine. The campaign is still running […]

Texas Parks and Wildlife Department (TPWD) breach exposed data of 3M people via a third-party license vendor, including sensitive personal information. The Texas Parks and Wildlife Department (TPWD) disclosed a data breach affecting around 3 million individuals after a third-party vendor used for hunting and fishing license sales was compromised. The Texas Parks and Wildlife […]

Senate testimony claims Anthropic’s Mythos AI breached NSA and Cyber Command systems in hours, prompting a U.S.-ordered shutdown. On June 12, the Trump administration directed Anthropic to restrict access to Fable 5 and Mythos 5, its two most capable models, exclusively to US citizens. Because verifying every user’s nationality in real time isn’t practically possible, […]

FortiBleed targeted 430,000+ FortiGate devices, harvesting 110M credentials and enabling breaches through large-scale credential theft. A new threat intelligence report from SOCRadar’s Threat Research Unit (STRU), the team that first identified and named the FortiBleed campaign, goes deeper than anything published so far on what is shaping up to be one of the most significant […]

AryStinger hijacks outdated routers via old flaws, turning 4,300+ devices into a stealth network for reconnaissance and intrusion support. On March 12, 2026, QiAnXin’s XLab threat detection system flagged a single IP address, 107.150.106.14, spreading a Linux binary through two vulnerabilities that were disclosed in 2013 and 2016 respectively. The binary had zero detections on […]

usbliter8 is an unpatchable BootROM exploit affecting A12/A13 devices, enabling code execution and extending checkm8-like risks to newer iPhones. Security researchers at Paradigm Shift published a working exploit on June 18, 2026, called usbliter8, that achieves arbitrary code execution inside the SecureROM of Apple’s A12 and A13 chips. SecureROM is the first code that runs […]

Security Affairs Malware newsletter includes a collection of the best articles and research on malware in the international landscape Malware Newsletter OptinMonster supply chain attack hits 1.2 million sites   Public and Private Medical Community Targeted by China-Nexus Threat Actor Pursuing Artificial Intelligence, Cyber, Medical, and National Defense Research    Rokarolla : Android Banker with Complete Device […]

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. Inside GentleKiller: The EDR-Killer Powering The Gentlemen FortiBleed Exposes Global Credential-Spraying Operation CISA Warns of Active […]

The Gentlemen equips affiliates with a centralized EDR-killer suite, rapidly weaponizing BYOVD exploits to disable security tools before ransomware attacks. ESET published a detailed breakdown of The Gentlemen‘s technical infrastructure on June 18, the result of months of incident-level investigation corroborated by the group’s own internal data leak from May 2026. Since emerging in late […]