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Tailscale Rushes Patches After Uncoordinated Disclosure of ‘Tailworm’ Flaws

Tailscale is preparing a patch for Tailscale SSH flaws whose details went public over the weekend, before any fixes had been released. The post Tailscale Rushes Patches After Uncoordinated Disclosure of ‘Tailworm’ Flaws appeared first on SecurityWeek.

Tailscale warns of SSH flaws allowing root privilege escalation

The Tailscale security team is working to patch almost a dozen security vulnerabilities that could be exploited to steal credentials, crash servers, gain root privileges, and more. [...]

The Huntress Tragic Quadrant: Ranking Threats Hitting Businesses Hardest

Attackers are increasingly abusing legitimate IT tools, Microsoft 365 sessions, and everyday workflows to compromise businesses without triggering traditional defenses. Huntress Labs ranks the threats hitting organizations hardest, highlighting which attack techniques deserve immediate attention and which remain emerging risks. [...]

Vendor Key Leak Puts Data of 238,000 Denver Health Plan Members at Risk

A leaked SquareML access key could have been used to access a database containing personal and health information. The post Vendor Key Leak Puts Data of 238,000 Denver Health Plan Members at Risk appeared first on SecurityWeek.

HPE Patches Dozens of Critical Flaws in Networking Products

Eight max-severity security defects could lead to remote code execution and authentication bypass. The post HPE Patches Dozens of Critical Flaws in Networking Products appeared first on SecurityWeek.

Microsoft Authenticator Flaw Let Permissionless Android Apps Steal Work Account Tokens

Microsoft has fixed a flaw in its Authenticator app for Android that let a malicious app with no permissions pose as a trusted Microsoft app, such as Teams, and collect sign-in tokens for a victim's work account. Microsoft tracks the flaw as CVE-2026-80097 and fixed it in Authenticator for Android version 6.2606.4246, so anyone using the app should update. In the researchers' tests,

Unexplained DreamHost Incident Prompts Email, FTP Password Resets

The company says it reacted to an issue affecting some of its systems, including DreamHost webmail. The post Unexplained DreamHost Incident Prompts Email, FTP Password Resets appeared first on SecurityWeek.

EPICS Base

View CSAF Summary Successful exploitation of these vulnerabilities could allow an attacker to cause a denial-of-service condition, corrupt memory, disclose sensitive information, or potentially execute arbitrary code. The following versions of EPICS Base are affected: EPICS Base release <=7.0.10 (CVE-2026-114595, CVE-2026-114596, CVE-2026-114597, CVE-2026-114598) CVSS Vendor Equipment v3 9.8 Th

Mitsubishi Electric GENESIS, GENESIS64, ICONICS Suite, Hyper Historian, AnalytiX, MobileHMI, IoTWorX, MC Works64, GENESIS32 and BizViz

View CSAF Summary Successful exploitation of these vulnerabilities could allow an attacker to execute arbitrary code (CVE-2023-4863), bypass authentication (CVE-2026-16436 and CVE-2026-16437), or perform arbitrary operations (CVE-2026-16438), resulting in information disclosure, tampering with, destruction, or deletion of information, and a denial-of-service (DoS) condition of the system. The foll

iOS, macOS 27.2 Patch 286 Bugs; Fix for Exploited Flaw Backported to iOS 18

Apple patched 286 vulnerabilities in iOS and macOS 27.2 and brought the fix for an exploited CoreGraphics zero-day to older iPhones. The post iOS, macOS 27.2 Patch 286 Bugs; Fix for Exploited Flaw Backported to iOS 18 appeared first on SecurityWeek.

Keystone to Destroy 18,835 Hardware Wallets After Hackers Steal Device Verification Key

An attacker who gained access to Keystone's website obtained the key that its hardware wallets use to prove they are genuine, the company said in a statement on October 26. Someone with that key could build counterfeit devices that pass the online check owners use to verify a Keystone. A buyer who trusted a counterfeit could have their crypto stolen, but the incident did not involve

AI-Generated Fake Login Pages Are Making Account Takeovers Easier

Fake login pages are nothing new, but generative AI is making them easier to build and more convincing. Attackers can recreate familiar login screens, impersonate trusted brands and tailor phishing attempts to specific employees or organizations. Some fake login pages go beyond stealing passwords. They can also capture MFA codes or hijack authenticated sessions, allowing attackers to gain

Lazarus Abuses South Korean Security Software to Deploy Malware Using Post-Quantum Encryption

The North Korea-linked Lazarus Group has been attributed to a cyber espionage campaign dubbed Operation FlashHole targeting at least three organizations in South Korea spanning the construction, software, and wire-communication equipment manufacturing sectors. According to Russian cybersecurity company Kaspersky, the campaign has been active since at least July 2025. It's assessed to pick up

Risks Spelled Out for Anthropic Investors Include Possible Harms From Runaway AI

Anthropic presents its own initial public offering as a step toward mitigating the risks it believes AI poses. The post Risks Spelled Out for Anthropic Investors Include Possible Harms From Runaway AI appeared first on SecurityWeek.

Apple backports CoreGraphics zero-day patches to older iPhones

​Apple has backported security patches released last month to older iPhones and iPads, addressing a zero-day bug exploited in "extremely sophisticated" targeted attacks on iOS devices. [...]

This is Fine: What NetScaler Zero-Days Tell Us About the New Normal

Keep your patch management pipelines primed in case another round of Citrix NetScaler patches get released soon. The post This is Fine: What NetScaler Zero-Days Tell Us About the New Normal appeared first on SecurityWeek.

Dead Popcorn Time Updater Put Millions of Computers at Risk of Takeover

Running at system boot, it periodically polled the update domain to execute any code served, with full privileges. The post Dead Popcorn Time Updater Put Millions of Computers at Risk of Takeover appeared first on SecurityWeek.

Australia Gets Into Amadey Malware Backend, Cuts Off Access to 180,000 Infected Computers

A criminal using the Amadey malware can no longer access or steal data from 180,000 infected computers around the world, including some in Australia, the Australian Signals Directorate (ASD) says. The agency's operators gained access to the criminal's operation's backend and cut it off from those computers. "The next steps that we took were to disconnect that Amadey controller from all those

Energy giant ENGIE discloses data breach affecting customers

French energy giant ENGIE, one of the world's largest power and natural gas providers, confirmed that attackers stole customer data after breaching a marketing platform used by business partners. [...]

OpenAI Compaction Flaw Let Researchers Bypass Hidden Reasoning Protections

OpenAI's compaction feature, which shrinks a long conversation to save space, could be turned into a way to copy a model's hidden reasoning out in plain text, security firm Xint has shown. OpenAI's reasoning models work through a problem before answering, and the service normally returns only the raw reasoning as an encrypted item the user cannot read. The method got past

CISA confirms PHP2Shell vulnerabilities now exploited in attacks

The U.S. Cybersecurity and Infrastructure Security Agency (CISA) has added the PHP2Shell vulnerabilities to its catalog of actively exploited security flaws and ordered federal agencies to patch their systems by Thursday. [...]

Maritime Coalition Launches Free Vulnerability Database for Ship and Port Systems

Blue Initiative indexes nearly 30,000 IT and OT vulnerabilities relevant to ships and ports, 37 of them in maritime-specific products. The post Maritime Coalition Launches Free Vulnerability Database for Ship and Port Systems appeared first on SecurityWeek.

Attackers Hijack Dahua IP Cameras in Ukraine Using P2P Access and Auth Weaknesses

The Computer Emergency Response Team of Ukraine (CERT-UA) has issued an alert warning of unauthorized remote access to video surveillance systems manufactured by Dahua. "Cases of compromising IP cameras and DVRs with access to the video stream, changing the device configuration and creating third-party accounts have been recorded," the State Special Communications Service of Ukraine (SSSCIP)

CISA Confirms Active Exploitation of Two PHP2Shell Flaws Enabling Remote Code Execution

The U.S. Cybersecurity and Infrastructure Security Agency (CISA) on Monday confirmed active exploitation of the recently patched PHP2Shell flaws by adding them to its Known Exploited Vulnerabilities (KEV) catalog. The PHP vulnerabilities, both rated 9.2 on the CVSS scoring system, facilitate unauthenticated remote code execution on affected deployments - CVE-2026-109618 - An out-of-memory

Cybersecurity Issue Forces a Major New Mexico Hospital to Divert Patients and Close Clinics

The University of New Mexico Health System told people not to show up at its main hospital in Albuquerque and canceled appointments at more than 30 clinics. The post Cybersecurity Issue Forces a Major New Mexico Hospital to Divert Patients and Close Clinics appeared first on SecurityWeek.

So Many AI Security Benchmarks, But None Tell the Whole Story

Measuring AI model security gets complex, fast, thanks to a growing patchwork of benchmarks targeting different variables in the equation. But none replace testing against your own code and workflows.

University of Copenhagen data breach exposes data of 525,000 people

The University of Copenhagen in Denmark confirmed that hackers accessed one of its test environments containing personal data belonging to 525,000 people. [...]

Risks & Rewards: How AI Is Redefining the CISO's Role

Nvidia security executive Mark Weatherford says CISOs must help business leaders weigh AI's pros and cons, and ensure those deploying it own the risks.

Former pentester used ARTEX AI to steal 8.2 million data records

South Korean police identified seven suspects linked to a cybercrime operation that breached more than 90 organizations in the country, with ARTEX AI pentesting framework used in most of the attacks. [...]

In-the-Wild Attack Abuses AI Agents' Trust in Markdown

A new AI agent prompt injection technique exploits how coding assistants consume local instruction files, blurring the line between text documents and executable actions.

OpenAI launches GPT-6.1 Terra with 3x faster AI agents, 50% lower pricing

OpenAI has launched GPT-6.1 Terra, a new model focused on computer use, visual reasoning, coding, and everyday work, while costing significantly less than its larger models. [...]

Anthropic Files for Potentially the Biggest IPO Ever as CEO Warns of Risk to Humanity From AI

A string of hacking incidents by rogue AI agents also has raised fears the technology will slip free of human control to carry out harmful, life-threatening tasks. The post Anthropic Files for Potentially the Biggest IPO Ever as CEO Warns of Risk to Humanity From AI appeared first on SecurityWeek.

DreamHost forces password resets in ongoing "incident"

DreamHost has forced password resets for email and FTP/SFTP users following an incident that disrupted connections to the File Manager interface. [...]

Hackers Infect 953 Online Stores With Scanner-Evading JavaScript, Mostly on Magento

An unknown threat actor has infected 953 online stores, most of them running Magento, as part of a long-running campaign active since July 2025. According to Dutch e-commerce security company Sansec, the activity is designed to add a small piece of code to the store's pages that, when visited by unsuspecting users, serves malicious JavaScript loader code through Magento CMS blocks. "When you

'Gheist' Weaponizes GitHub Tokens to Steal Cloud Secrets

An ongoing supply chain attack is harvesting credentials and sensitive data from thousands of developer repositories.

PHP Issues Second Windows Security Update in Five Days to Fix Brotli Code Execution Flaw

PHP has rebuilt its official Windows packages for PHP 8.2 through 8.5 to fix CVE-2026-111497, a flaw in the Brotli compression library that the packages include. The flaw can let an attacker corrupt memory and potentially run code. PHP says the flaw can be reached through the cURL extension when the extension decompresses HTTP responses automatically. cURL leaves that off by default, but

Critical 'HTTP2Shell' Brotli vulnerability triggers emergency patches

A critical flaw dubbed 'HTTP2Shell' in Brotli, the C decoder library built into Node.js, could allow attackers to corrupt memory and access sensitive data. [...]

Attackers Use Microsoft Teams IT Support Scams to Deploy Malware and Ransomware

Cybersecurity researchers are calling attention to what they say is a "recurring social engineering pattern" across hundreds of cases in which threat actors use Microsoft Teams' external chat creation feature to conduct impersonation scams or to deliver malware. "A consistent pattern of attacker behavior has emerged across these incidents: the use of the same throwaway tenants, the same 'IT

Microsoft releases emergency .NET patches for critical Brotli flaw

Microsoft released emergency .NET security updates to patch a critical vulnerability known as Broccoli2Shell, also tracked as Node2Shell and HTTP2Shell. [...]

Industrial Vendors Check Products for PHP2Shell Vulnerabilities

Siemens, Schneider Electric, ABB and others have confirmed that some of their products are affected by the PHP2Shell vulnerabilities. The post Industrial Vendors Check Products for PHP2Shell Vulnerabilities appeared first on SecurityWeek.

Genesys Hack Exposes Customer Data From Internal Systems

The Genesys Cloud, Genesys Engage, and Genesys Engage Cloud platforms were not affected. The post Genesys Hack Exposes Customer Data From Internal Systems appeared first on SecurityWeek.

Stolen AI Reasoning Could Help China Build Cheaper Rivals

Xint says a flaw in OpenAI’s compaction process let researchers move reasoning traces between models, potentially making it cheaper to distill a rival AI. The post Stolen AI Reasoning Could Help China Build Cheaper Rivals appeared first on SecurityWeek.

⚡ Weekly Recap: This2Shell, That2Shell, Everything's an RCE? Rogue AI, Supply Chain Chaos and More

This2Shell, That2Shell, Everything2Shell. That's pretty much how the last week went. Critical bugs that let attackers run code remotely are showing up everywhere. Hackers are scanning for targets, some flaws are already being used in attacks, and security teams have more urgent patches than they can keep up with. And that's not even the full story. A leaked key led to a software supply-chain

When an AI Agent Is the Incident, the Identity Record Is the Evidence

A new NIST, CISA, and NSA guide treats runaway agents as incidents to be rehearsed. The hard part of the response is answering whose authority the agent used, and that answer has to exist before the incident does. [...]

10 Software Security Practices Built for the Next 250 Years

This Cybersecurity Awareness Month's theme, "Securing the Next 250," asks us to look beyond vulnerabilities and consider what will make our digital systems resilient for generations.

Chinese man extradited for role in $36 million cryptocurrency scam

A Chinese national was arraigned in California after being extradited from the Netherlands for his alleged involvement in a cryptocurrency investment scam that stole nearly $37 million from 174 victims in the United States. [...]

PHP2Shell Exploitation Moves From Probes to Working Shells

Attackers successfully exploited the PHP2Shell flaws against honeypots, launching 35 shells from two IP addresses on October 24. The post PHP2Shell Exploitation Moves From Probes to Working Shells appeared first on SecurityWeek.

953 Online Stores Infected in Long-Lasting Malware Campaign

Small loader code injected into the stores served a payload to visitors or did nothing to avoid detection. The post 953 Online Stores Infected in Long-Lasting Malware Campaign appeared first on SecurityWeek.

CISA Adds Two Known Exploited Vulnerabilities to Catalog

CISA has added two new vulnerabilities to its Known Exploited Vulnerabilities (KEV) Catalog and updated the PHP Alert, Critical Vulnerabilities in PHP Require Immediate Patching: CVE-2026-109618 – PHP Memory Corruption Vulnerability CVE-2026-109619 – PHP Stale Internal Request-State Vulnerability These types of vulnerabilities are a frequent attack vector for malicious cyber actors and pose signif

Two Critical Wasmtime Flaws Could Let Malicious WebAssembly Modules Escape Sandboxes

Two critical flaws in Wasmtime, a WebAssembly runtime that can be built into other software, could allow a malicious WebAssembly module to escape the sandbox intended to contain it, the project's maintainers say. An attacker would first need a vulnerable Wasmtime build to compile a module they control, and one of the flaws affects only ARM64 systems. Fixed versions were released on

Dutch Police Arrest Two Over NFC Relay Attacks That Drained $400,000+ From Bank Accounts

The individuals called victims and persuaded them to install an app and scan their credit cards to loot their bank accounts. The post Dutch Police Arrest Two Over NFC Relay Attacks That Drained $400,000+ From Bank Accounts appeared first on SecurityWeek.

Between alerts: What Attackers Do in the Spaces Ordinary Detection Misses

Every SOC struggles with a pile of alerts. Very few of those alerts explain how an attack started or how it progressed. Network data, like that from a network detection and response (NDR) platform, connects individual alerts into one timeline, and it feeds the defensive systems that can tie all events together into one coordinated view. SOC teams often first see the shape of an intrusion

Kali Linux 2026.3 released with 6 new tools, desktop updates

Kali Linux has released version 2026.3, its third release this year, featuring six new hacking tools, desktop environment improvements, refreshed build scripts, and more. [...]

Kali Linux 2026.3 released with 7 new tools, desktop updates

Kali Linux has released version 2026.3, its third release this year, featuring six new hacking tools, desktop environment improvements, refreshed build scripts, and more. [...]

Node2Shell: Brotli Flaw Triggers Patching Across Microsoft, Node.js, Python Packages

An out-of-bounds write in Google’s Brotli decoder affects Node.js, .NET, PowerShell, and Python packages, and can lead to code execution. The post Node2Shell: Brotli Flaw Triggers Patching Across Microsoft, Node.js, Python Packages appeared first on SecurityWeek.

uCreator Android Spyware Can Steal Telegram 2FA Passwords and Clone WeChat Accounts

A rentable Android spyware kit called uCreator takes over Telegram and WeChat accounts by hiding its code inside working copies of the two apps, researcher Ovi found. It only reaches people who install one of these tampered copies, spread outside the official app stores, or who run WeChat inside the kit makers' own container app. The kit's Telegram part matches Baohuo, a backdoor that Doctor

PHP2Shell security flaws now sucessfully exploited in the wild

Two critical RCE vulnerabilities (CVE-2026-109618 and CVE-2026-109619), collectively tracked as PHP2Shell, have been successfully exploited in the wild. [...]

Mythos 5 Ignored Real-World Harm in July Attack

The model engaged in severe overreach and dishonesty, creating fake identities and submitting malicious code on GitHub. The post Mythos 5 Ignored Real-World Harm in July Attack appeared first on SecurityWeek.