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Hackers Are Probing PaperCut Servers, and 47% Still Have No PatchCVE-2026-76581 · Five Critical WordPress Plugin and Theme Flaws Enable Site Takeover or RCECVE-2026-76639 · Hack One Robot, Reach the Next: Unitree G1 Security FlawsRhysida Ransomware Group Targets Berlin Government Ahead of VoteThe Cybersecurity Apocalypse Is Coming in ‘Months,’ AI Giants WarnCVE-2023-49105 · Philippine Nuclear and Naval Targets Hit by Suspected Chinese OperatorTerminalFix campaign deploys a reverse tunnel through multistage intrusionPerturbation Probing: A New Diagnostic for the Fragility of LLM SafetyResearcher shows how Claude Code can be tricked simply by asking it to summarize a websiteCosmos EVM Flaw Exploited After Cosmos Labs Knew Every Blockchain Running It Was Vulnerable
ransomware

Security Affairs newsletter Round 592 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 international press. Hack One Robot, Reach the Next: Unitree G1 Security Flaws Rhysida Ransomware Group Targets Berlin Government Ahead […]

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A cyberattack on UK airport operator Manchester Airports Group (MAG) has led to the exposure of data belonging to 8.7 million customers across three of its airports. The breach was confirmed by MAG, though specific details about the nature of the data compromised or the exact timeline of the attack were not immediately available.

The incident is part of a broader trend of cybercrime targeting various sectors globally. In a separate development, the Rhysida ransomware group claimed responsibility for an attack on the Berlin government, with stolen data reportedly offered for auction. The specifics of the data taken or the impact on government operations were not detailed in the available information.

Additionally, a dataset containing records of 877,000 drivers from the company Love Electric was reportedly offered for sale. This data is said to include Northern Ireland driver's license numbers. Love Electric has not yet confirmed the extent of the breach or the accuracy of the attacker's claims.

The Philippine Nuclear Agency and a naval contractor were also targeted by a suspected Chinese-speaking threat actor. This operator reportedly leveraged known vulnerabilities in their attacks. The specific vulnerabilities exploited or the impact on the targeted organizations were not disclosed.

In other news, PaperCut released an emergency patch for a zero-day vulnerability that was actively being exploited. The vulnerability affects PaperCut servers, and reports indicate that a significant percentage of these servers remained unpatched even after the public disclosure and patch availability.

The U.S. Cybersecurity and Infrastructure Security Agency (CISA) has been actively updating its Known Exploited Vulnerabilities catalog. Recent additions include flaws in ownCloud, the Linux Kernel, JFrog Artifactory, Red Hat, Ajax.NET Professional, Microsoft SQL Server, Citrix NetScaler, Gitea, and a maximum-severity Oracle vulnerability. These additions highlight the agency's focus on vulnerabilities that are under active attack.

Further, CISA issued a warning to water utilities to identify and secure exposed Programmable Logic Controllers (PLCs) before attackers can exploit them. This warning follows an incident where a UK power plant was reportedly disabled for four days by Iranian-linked hackers, concurrent with cyberattacks on US water facilities. CISA's red team also reported fully compromising two critical infrastructure organizations during assessments.

The FBI has taken action against China-linked hacking platforms, QScan and QTRouter, which were reportedly used against critical infrastructure. This seizure is part of a broader effort to disrupt state-sponsored hacking activities.

In the realm of advanced persistent threats (APTs), the Russian APT group BlueDelta has been observed using a new tool called HOOKEDGE to target defense and diplomatic organizations. Another cluster, focused on Cambodia, is employing a multistage infection chain with localized lures. Dark Caracal has also deployed new Go malware with an Ethereum-based command and control (C2) fallback mechanism.

Finally, Australian police have charged two individuals in connection with the TeamPCP credential theft, indicating ongoing efforts to combat cybercrime syndicates.

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SECURITY AFFAIRS MALWARE NEWSLETTER ROUND 112

Security Affairs Malware newsletter includes a collection of the best articles and research on malware in the international landscape Malware Newsletter Operation QUICSILVER: China-Nexus Actor Targets Myanmar Diplomats via VHD-Delivered Go Backdoor FTP Banners: The New Dead Drop Resolver Delivering Novel RATs The State of AI-Enabled Malware August 2026: From Brand Abuse to Agentic […]

vulnerabilityhigh

Hackers Are Probing PaperCut Servers, and 47% Still Have No Patch

PaperCut servers are under active attack, while 47% of tracked installations still run unpatched versions vulnerable to remote code execution. PaperCut, the print management software running in schools, hospitals, and offices worldwide, confirmed on August 27 that a pre-authentication remote code execution flaw is being actively exploited against real customers. Researchers at Huntress found evide

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Anthropic is cutting Claude Code's current weekly limits by 17%

Anthropic is permanently increasing Claude Code's standard weekly usage limits by 25% for Pro, Max, Team, and seat-based Enterprise plans, but it's not as good as it sounds. [...]

CVE-2026-76581critical

Five Critical WordPress Plugin and Theme Flaws Enable Site Takeover or RCE

Multiple critical security flaws have been disclosed in WordPress plugins and themes, including WPMU DEV Dashboard, Avada, TranslatePress, Pods, and GiveWP, that could lead to authentication bypass, account takeover, and arbitrary code execution. The vulnerabilities, according to Wordfence and Patchstack, are listed below - CVE-2026-76581 (CVSS score: 9.8) - An authentication bypass flaw in