Latest Cybersecurity News and Articles

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Hackers Start Exploiting Critical Langflow Vulnerability

Tracked as CVE-2026-0768, the security defect allows unauthenticated attackers to execute arbitrary Python code remotely. The post Hackers Start Exploiting Critical Langflow Vulnerability appeared first on SecurityWeek.

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Threat Actors Don’t Want Better Attacks. They Want Repeatable Ones

The most common way into a company last year was to ask. A web page tells the visitor to prove they are not a robot. While they read the instructions, it quietly places a command on their clipboard. Then it talks them through opening a terminal and pasting it in. The technique is called ClickFix, and it was the most common initial access method Microsoft’s team observed last year, accounting

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Five Venezuelans Plead Guilty in US Court to ATM Jackpotting

The defendants unsuccessfully attempted to physically install malware on ATMs to force them to dispense cash. The post Five Venezuelans Plead Guilty in US Court to ATM Jackpotting appeared first on SecurityWeek.

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Ransomware Gang Claims Nutex Health Data Breach

The company has notified the SEC that hackers accessed patient, employee, provider, business, and financial information. The post Ransomware Gang Claims Nutex Health Data Breach appeared first on SecurityWeek.

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Critical JFrog Artifactory Vulnerability Reportedly Exploited in the Wild

Exploitation of the authentication bypass vulnerability CVE-2026-82329 started just days after its public disclosure. The post Critical JFrog Artifactory Vulnerability Reportedly Exploited in the Wild appeared first on SecurityWeek.

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9.5 Million Impacted by Aesto Health Data Breach

Hackers stole personal and health information from the healthcare technology company’s AWS infrastructure. The post 9.5 Million Impacted by Aesto Health Data Breach appeared first on SecurityWeek.

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Attackers Steal METR API Key and Consume AI Credits Worth About $600,000

METR (short for Model Evaluation and Threat Research and pronounced "Meter"), a research non-profit that evaluates frontier artificial intelligence (AI) models for their ability to carry out long-horizon, agentic tasks, disclosed that it suffered "two notable security incidents" where external actors attempted to gain unauthorized access to its systems. No sensitive information is believed to

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WatchGuard Patches Critical Vulnerabilities

Three critical issues in the Fireware OS iked process could allow unauthenticated attackers to execute arbitrary code remotely. The post WatchGuard Patches Critical Vulnerabilities appeared first on SecurityWeek.

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Russia-Aligned UAC-0099 Plants Nuclear Weapon Prompt in Malware to Disrupt AI Analysis

Cybersecurity researchers have disclosed a new technique dubbed GuardBreaker that's been put to use by a Russia-aligned threat actor known as UAC-0099 against a target in Ukraine with an aim to interfere with artificial intelligence (AI)-assisted analysis. The idea, ESET said in a series of posts on X, is to deliberately trip a large language model's (LLM) safety mechanisms and prevent its

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Attackers Exploit Critical Langflow and Rails Flaws in Credential-Probing and C2 Activity

Threat actors are exploiting two critical flaws impacting Langflow and Ruby on Rails, according to new findings from VulnCheck. The vulnerabilities in question are listed below - CVE-2026-0768 (CVSS score: 9.8) - A lack of proper validation of a user-supplied input vulnerability that could be exploited to execute arbitrary Python code in the context of the root user. CVE-2026-66066 aka

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PaperCut Exploitation Escalates to Active Intrusions

CISA has added the vulnerabilities tracked as CVE-2026-82078 and CVE-2026-81578 to its KEV catalog. The post PaperCut Exploitation Escalates to Active Intrusions appeared first on SecurityWeek.

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North Korean Job Fraud Expands Beyond IT Into Healthcare and Sales

Threat actors with ties to the Democratic People's Republic of Korea (aka DPRK or North Korea) have been observed seeking job opportunities beyond the information technology (IT) sector, with recent investigations identifying suspected workers employed in sales and marketing and the medical profession. The ongoing insider threat is part of what has been described as the IT worker scheme,

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Nightmare Eclipse Drops ‘HardBreacher’ Kaspersky Product Exploit

Kaspersky told SecurityWeek that it patched the vulnerability affecting its Endpoint Security product. The post Nightmare Eclipse Drops ‘HardBreacher’ Kaspersky Product Exploit appeared first on SecurityWeek.

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ServiceNow Patches 3 Critical Code Injection Vulnerabilities

Attackers could exploit the security defects to execute arbitrary code and access or tamper with data. The post ServiceNow Patches 3 Critical Code Injection Vulnerabilities appeared first on SecurityWeek.

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⚡ Weekly Recap: Chinese Spy Proxy, AI Agents Go Off-Task, Router Backdoors and More

The boring parts caused most of the trouble. A router shipped ready to listen. A fake check turned the user into the installer. Trusted systems collected traffic and passwords, then cleaned the logs. Old bugs formed new attack chains. Even an AI agent decided its assigned task was optional. Elsewhere, fake apps, helpful support calls, cheap banking kits, exposed systems, and weak defaults kept

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McKesson Confirms Data Breach as Attacker Deadline Looms

The ShinyHunters extortion group has claimed the theft of 284 million records from the company’s systems. The post McKesson Confirms Data Breach as Attacker Deadline Looms appeared first on SecurityWeek.

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What the Hugging Face Incident Teaches Security Leaders About AI Agent Access

Security teams must treat autonomous agents as highly privileged identities. The post What the Hugging Face Incident Teaches Security Leaders About AI Agent Access appeared first on SecurityWeek.

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ValleyRAT Backdoor Hides in Signed Adware That Users Add to Antivirus Exclusions

The threat actor known as Silver Fox has been observed distributing the ValleyRAT backdoor disguised as a signed Chinese adware application, running the malware under a trusted process to slip past users who add such software to their antivirus exclusions. Russian cybersecurity vendor Kaspersky said the attackers built the disguise around QN Wallpaper, a genuine Chinese desktop-wallpaper tool

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Anthropic Warns Claude Users of Infostealer Malware Infections

The AI giant is logging customers out of their accounts and removing payment data to prevent unauthorized Claude usage. The post Anthropic Warns Claude Users of Infostealer Malware Infections appeared first on SecurityWeek.

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Aurora Ransomware Operators Use Cursor AI in Attacks Against 10 Targets

Threat actors associated with Aurora (aka Aur0ra) ransomware have been observed using SpaceX's artificial intelligence (AI)-powered coding assistant Cursor to break into target networks, according to findings from CloudSEK and Gambit Security. The two independent analyses are based on exposed infrastructure associated with the Russian-speaking cybercrime group, leading to the discovery of its