The U.S. Cybersecurity and Infrastructure Security Agency (CISA) adds a flaw in Fortinet FortiClient EMS to its Known Exploited Vulnerabilities catalog The U.S. Cybersecurity and Infrastructure Security Agency (CISA) added a flaw in Fortinet FortiClient EMS, tracked as CVE-2026-35616 (CVSS score of 9.1), to its Known Exploited Vulnerabilities (KEV) catalog. This week, Fortinet released out-of-band patches for a […]
A researcher leaked the unpatched Windows zero-day “BlueHammer,” letting attackers gain SYSTEM rights; no patch exists yet. A disgruntled researcher released the BlueHammer Windows zero-day, a privilege escalation flaw that allows attackers to gain SYSTEM or admin rights, Bleeping Computer reports. The researcher privately reported the vulnerability to Microsoft but criticized the way the Microsoft’s Security […]
DPRK-linked hackers use GitHub C2s, starting attacks via phishing LNK files that drop a PDF and PowerShell script in South Korea. North Korea-linked threat actors target South Korean organizations using GitHub as C2 servers. The attack chain starts with phishing emails carrying obfuscated LNK files that drop a decoy PDF and a PowerShell script to […]
German police BKA identified two key REvil ransomware members, linking them to over 130 attacks in Germany. Germany’s Federal Criminal Police (BKA) has identified two key figures behind the REvil ransomware group, linking them to more than 130 attacks in the country. The first suspect is Daniil Maksimovich Shchukin (31), a Russian national known online […]
Over 14,000 F5 BIG-IP APM instances remain exposed online, as attackers actively exploit a critical remote code execution flaw CVE-2025-53521. Over 14,000 F5 BIG-IP APM instances remain exposed online, with attackers actively exploiting the critical remote code execution vulnerability CVE-2025-53521 (CVSS ver. 3.1 score of 9.8), the nonprofit security organization Shadowserver warns. The vulnerability in BIG-IP […]
Fortinet issued emergency patches for a critical FortiClient EMS flaw (CVE-2026-35616) actively exploited in the wild. Fortinet released out-of-band patches for a critical FortiClient EMS vulnerability, tracked as CVE-2026-35616 (CVSS 9.1), which is already being exploited in attacks in the wild. The flaw is an improper access control issue that allows attackers to bypass authentication […]
Security Affairs Malware newsletter includes a collection of the best articles and research on malware in the international landscape Infiniti Stealer: a new macOS infostealer using ClickFix and Python/Nuitka Converging Interests: Analysis of Threat Clusters Targeting a Southeast Asian Government RoadK1ll: A WebSocket Based Pivoting Implant axios Compromised: npm Supply Chain Attack via Dependency Injection […]
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. Qilin ransomware group claims the hack of German political party Die Linke U.S. CISA adds a […]
Qilin ransomware claims it stole data from Germany’s Die Linke and threatens to leak it; the party confirmed the incident, but not a breach. The Qilin ransomware group claims it stole data from Die Linke, a German political party, and is threatening to release it. Die Linke is a left-wing political party in Germany. Its […]
The U.S. Cybersecurity and Infrastructure Security Agency (CISA) adds a flaw in TrueConf Client to its Known Exploited Vulnerabilities catalog The U.S. Cybersecurity and Infrastructure Security Agency (CISA) added a flaw in TrueConf Client, tracked as CVE-2026-3502 (CVSS score of 7.8), to its Known Exploited Vulnerabilities (KEV) catalog. TrueConf is a videoconferencing platform often used in secure, offline […]