Attackers Exploit Three Fortinet FortiSandbox Flaws, One Patched Last Week

Bad actors are exploiting multiple security vulnerabilities in Fortinet FortiSandbox, according to threat intelligence firm Defused Cyber. In a post shared on X, the company said it has observed exploitation of CVE-2026-39813, CVE-2026-39808, and CVE-2026-25089 over the past 24 hours...

China-Linked SprySOCKS Backdoor Expands to Windows with Driver-Based Stealth

Cybersecurity researchers have flagged two previously undocumented Windows variants of what was believed to be a Linux-only backdoor called SprySOCKS. "The Windows variants discovered are internally marked as WINDRV and WINPLUS," ESET said in a report shared with The Hacker News. "Both come with ...

Fake Microsoft Alerts Used to Deploy North Korean NarwhalRAT Malware

The North Korean state-sponsored hacking group known as ScarCruft aka APT37 has been observed using spear-phishing messages impersonating Microsoft Account security notifications to deliver a new malware called NarwhalRAT. "The attack email contained a message impersonating an MS account security...

Cisco Releases Security Updates for Actively Exploited SD-WAN Manager Flaw

Cisco has released security updates for a medium-severity security flaw in Catalyst SD-WAN Manager that has come under active exploitation in the wild. The vulnerability, tracked as CVE-2026-20262 , carries a CVSS score of 6.5 out of 10.0. "A vulnerability in the web UI of Cisco Catalyst SD-WAN...

CISA Flags LiteSpeed cPanel Plugin Flaw Exploited for Root Privilege Escalation

The U.S. Cybersecurity and Infrastructure Security Agency CISA has added a security flaw impacting LiteSpeed cPanel Plugin to its Known Exploited Vulnerabilities KEV catalog, requiring Federal Civilian Executive Branch FCEB agencies to apply the fixes by June 18, 2026. The vulnerability in questi...

Chinese Hackers Abused Google Workspace Rules to Steal Research and Defense Emails

A China-linked espionage group hid inside North American medical, academic, and military research networks for more than a year, quietly stealing sensitive research and defense email. The way in was a backdoor on their REDCap research servers that stole login credentials. The exfiltration was the...

North Korean Hackers Are Turning Developer Tools Into Malware Delivery Channels

Cybersecurity researchers have flagged two malicious cyber campaigns that exhibit similarities with a persistent North Korean threat cluster known as Contagious Interview aka Famous Chollima, HexagonalRodent, and Void Dokkaebi. According to a report published by Proofpoint, the threat actor has...

LiteLLM Vulnerability Chain Lets Low-Privilege Users Take Over AI Gateway Servers

A default low-privilege account on a LiteLLM proxy can climb to full admin and run code on the server by chaining three vulnerabilities, researchers at Obsidian Security disclosed LiteLLM is a widely deployed open-source AI gateway that brokers calls to more than 100 model providers behind one...

One-Click Microsoft 365 Copilot Flaw Could Have Let Attackers Steal Emails, Files, and MFA Codes

A single click on a trusted Microsoft link could have let an attacker pull emails, calendar details, and indexed files out of Microsoft 365 Copilot Enterprise Search. Researchers at Varonis Threat Labs chained three bugs into a one-click exfiltration path they call SearchLeak. Because the link...

⚡ Weekly Recap: Chrome 0-Day, UniFi Exploits, macOS Stealers, VPN Flaw and More

Stuff broke again. Not in a movie way. An old tool was left exposed. An abandoned package was abused. A deprecated feature was still running in prod. This week is the same lesson in a new form: phishing kits are easier to rent, AI names are useful bait, old login paths still fail, and forgotten...

The Onboarding Password Mistake That Creates Unnecessary Risk

Employee onboarding is a busy time for IT teams. New starters need devices, accounts, access permissions, and passwords, all delivered within a tight timeframe. That usually means sharing a temporary "first-day" password so employees can access systems for the first time. The issue is that these...

152 Chrome Wallpaper Extensions with 105K Installs Linked to Adware and Fake Traffic

Cybersecurity researchers have discovered a network of 152 Google Chrome extensions that act as new tab live wallpaper add-ons to distribute a potentially unwanted program PUP family. The cluster spans 38 separate Chrome Web Store publisher accounts and three brand backends: tabplugins.com,...

Popular WordPress Plugin Scripts Tampered to Plant Hidden Backdoors on Sites

An attacker tampered with trusted JavaScript files used by WordPress sites running PushEngage , OptinMonster , and TrustPulse , turning those files into a way to break into the sites. When a site administrator was logged in as the file loaded, the code created an admin account under the attacker'...

Sniper Dz Scams Target MENA Users via Fake Facebook Offers and Browser Alerts

Cybersecurity researchers have disclosed details of fraudulent activity targeting users across the Middle East and North Africa by employing various fraudulent Facebook accounts impersonating politicians, public figures, and trusted organizations. "These accounts promoted fake offers, including...

Palo Alto Warns of Active Exploitation of PAN-OS GlobalProtect VPN Flaw

Palo Alto Networks has revealed that it has observed "active exploitation" of a recently disclosed PAN-OS vulnerability by an unknown threat actor to obtain unauthorized access to GlobalProtect portals. The vulnerability in question is CVE-2026-0257 CVSS score: 7.8, an authentication bypass flaw...

Critical Splunk Enterprise Flaw Lets Attackers Run Code Without Authentication

Splunk has released security updates to address a critical security flaw in Splunk Enterprise that could be exploited to conduct unauthenticated file operations and even remote code execution. The vulnerability, tracked as CVE-2026-20253 , is rated 9.8 on the CVSS scoring system. "In Splunk...

U.S. Orders Anthropic to Suspend Fable 5 and Mythos 5 Access for Foreign Nationals

Anthropic said on Friday it will "abruptly disable" its most advanced artificial intelligence AI models, Claude Fable 5 and Mythos 5 , for all users after the U.S. government ordered it to suspend access to the models for foreign nationals, whether inside or outside the U.S., citing national...

Over 400 Arch Linux AUR Packages Hijacked to Deploy Infostealer and eBPF Rootkit

Attackers took over more than 400 packages in the Arch User Repository AUR this week and rewrote their build scripts to install a credential stealer on any machine that built them. The malware is a Rust binary built to harvest developer secrets. When it lands with root, it can also load an eBPF...

Google Sues Chinese Smishing Network Accused of Using Gemini AI in Phishing

Google on Friday said it's pursuing legal action against a Chinese cybercrime network, accusing it of using its Gemini artificial intelligence AI agent to send phishing text messages targeting Americans. The network is said to be behind the development and management of a phishing-as-a-service...

China-Linked Hackers Backdoored Linux Login Software to Hide for Nearly a Decade

Instead of hiding on the laptops and servers defenders watch most closely, a China-nexus group spent close to a decade hidden inside the Linux login system itself. Sygnia, which tracks the group as Velvet Ant , says it backdoored the PAM and OpenSSH components that decide who is allowed to sign i...

Agentjacking Attack Tricks AI Coding Agents Into Running Malicious Code

Cybersecurity researchers have described what they say is a new class of attack that can trick artificial intelligence AI coding agents into running arbitrary code on developer machines. Called Agentjacking by Tenet Security, the attack can be triggered by means of a fake error report crafted usi...

Rethinking MDR as Attackers and Defenders Embrace AI

For most of the past decade, managed detection and response was the answer to a real problem. Security teams couldn't staff around the clock, couldn't hire enough analysts, and needed someone else to handle the alert queue. MDR stepped in. It worked well enough. Until now. The threat landscape ha...

LangGraph Flaw Chain Exposes Self-Hosted AI Agents to Remote Code Execution

Cybersecurity researchers have disclosed details of three now-patched security flaws impacting LangGraph, including a critical vulnerability chain that could result in remote code execution. LangGraph is an open-source framework created by LangChain to build complex, stateful, and multi-agent...

INTERPOL Operation Takes Down Sniper Dz Phishing Platform, Arrests Administrator

An INTERPOL-led operation last month resulted in the disruption of Sniper Dz , a decade-long phishing-as-a-service PhaaS platform, Group-IB said Thursday. The effort, codenamed Operation Ramz, took place between October 2025 and February 2026, and saw authorities from 13 countries in the Middle...

Europol Disrupts AudiA6 Crypto Laundering Service Used by Ransomware Gangs

Authorities in Europe have disrupted AudiA6 , a cryptocurrency laundering service used by ransomware gangs and cybercriminal networks. Europol, in a statement issued Thursday, said the dismantling of AudiA6 cut off a "key financial pipeline used to wash hundreds of millions in illicit profits." T...

ShinyHunters Exploits Oracle PeopleSoft Zero-Day (CVE-2026-35273) to Breach Universities

The ShinyHunters extortion crew exploited an unpatched flaw in Oracle PeopleSoft to break into enterprise systems, steal data, and demand payment to keep it private. The campaign hit universities hardest. Google's Mandiant attributes it to the group it tracks as UNC6240, and dates the activity...

New Attacks Trick OpenClaw AI Agent Into Running Code and Leaking Secrets

Two security teams have shown, in separate research published this week, that OpenClaw, the popular self-hosted AI agent, can be driven to run attacker-controlled code or hand over sensitive data through ordinary-looking inputs. Imperva buried instructions inside shared contacts, vCards, and...

New GreatXML Exploit Bypasses Windows BitLocker via Recovery Partition XML Files

Security researcher Chaotic Eclipse aka Nightmare-Eclipse and MSNightmare has released a new Windows BitLocker bypass dubbed GreatXML , a day after they published an exploit for Microsoft Defender. "This was an accidental discovery, it took a total of 4 hours to find this," the researcher said in...

The Gentlemen Ransomware Claims 478 Victims, Can Spread Like a Worm

A new analysis of The Gentlemen operation has revealed that the financially motivated threat group initially operated as an affiliate responsible for conducting double extortion attacks, while leveraging resources from various ransomware-as-a-service RaaS schemes like LockBit aka Tenacious Mantis...

Cybersecurity Stars Awards 2026: Winners Announced Across 95 Categories

Most good security work is invisible by design. Today is the exception. The 2026 Cybersecurity Stars Awards winners are announced across 95 subcategories in four main award categories. The reason is simple. Cybersecurity is full of work that deserves recognition and rarely gets it. Products that...

ThreatsDay Bulletin: Worm Code Leaked, AI Agent Phished, Claude Code Patch + 28 New Stories

It's been one of those weeks. You expect the usual noise: recycled malware, sloppy attacks, another easy target getting hit. Instead, there's a supply chain attack kit in a public repo, a $5,000-a-month RAT that clones browsers, and research showing AI agents can be tricked into leaking real...

AI Broke Vulnerability Management. That's Why CISOs Are Moving Budget to BAS.

For thirty years, vulnerability management ran on a buffer: the months between when a vulnerability was found and when someone could figure out how to weaponize it. The solution was straightforward enough; triage by severity, schedule the fix, validate, and move on. The buffer was what made that...

OceanLotus Hits Vietnam Investors With SPECTRALVIPER in FireAnt Attack

The Vietnam-aligned threat actor known as OceanLotus has been attributed to two distinct campaigns that targeted domestic entities and stock investors with a backdoor known as SPECTRALVIPER. The campaigns involve a prolonged cyber espionage operation aimed at a Vietnamese infrastructure and...

GitHub to Disable npm Install Scripts by Default to Stop Supply Chain Attacks

GitHub has announced what it said are "breaking changes" coming to npm version 12, one of which turns off install scripts by default to combat software supply chain threats. The changes aim to combat attack techniques that abuse the "npm install" command to trigger the execution of malicious code...

China-Linked JDY Botnet Expands to 1,500+ Devices for Cyber Reconnaissance

Cybersecurity researchers have warned of a "resurgence and expansion" of JDY , a covert network associated with China-nexus state-sponsored threat actors. "The JDY botnet comprises over 1,500 SOHO small office and home office and IoT devices and operates as a centrally controlled, high-performanc...

Ivanti, Fortinet, and SAP Release Patches for Multiple Critical Vulnerabilities

Fortinet, Ivanti, and SAP have released security updates to address multiple critical security vulnerabilities that could result in arbitrary code execution and information disclosure. The security flaw patched by Fortinet relates to a command injection vulnerability in FortiSandbox, FortiSandbox...

Langflow Vulnerability CVE-2026-5027 Exploited for Unauthenticated RCE

A high-severity security flaw in Langflow, an open-source low-code platform to build artificial intelligence AI applications, has come under active exploitation in the wild, according to findings from VulnCheck. The vulnerability in question is CVE-2026-5027 CVSS score: 8.8, a case of path...

CISA Adds Cisco, Chrome, and Arista Flaws to KEV Catalog Amid Active Exploitation

The U.S. Cybersecurity and Infrastructure Security Agency CISA on Tuesday added three new vulnerabilities to its Known Exploited Vulnerabilities KEV catalog, following reports of active exploitation. The list of vulnerabilities is as follows - CVE-2026-20245 CVSS score: 7.8 - An improper encoding...

Your Automated Pentest Looks Clean. See What It Missed in This Expert Webinar

Your pentest report looks clean. That might be the problem. Run automated pentesting long enough, and the new findings start to dry up. By the third or fourth run, fewer issues appear. The report looks stable. Leadership reads "stable" as "secure." It usually isn't. The work slows down. The risk...

Microsoft Patches Record 206 Flaws, Including Three Zero-Days and Critical RCE Bugs

Microsoft on Tuesday released fixes for a record 206 security vulnerabilities impacting its software portfolio, including three flaws that have been publicly disclosed at the time of release. Of the 206 flaws, 39 are rated Critical, and 167 are rated Important in severity. This includes 63...

Anthropic Releases Claude Fable 5, Its Most Powerful AI Yet, With Cyber Safeguards

On June 9, Anthropic released Claude Fable 5, the most capable model it has ever made, generally available. It also did something unusual: it shipped one model as two products, split not by capability but by a layer of safety classifiers. Fable 5 goes to the public. Its twin, Claude Mythos 5, the...

ServiceNow Flaw Exploited to Gain Unauthorized Access to Customer Instances

ServiceNow has warned about a security incident in which unknown threat actors exploited a flaw to obtain deeper unauthorized access to susceptible instances. "On June 5, 2026, ServiceNow applied a security update to hosted customer instances," the company revealed in an advisory that requires...

Microsoft Defender RoguePlanet Zero-Day Grants SYSTEM Access on Updated Windows

The anonymous security researcher going by the name Chaotic Eclipse aka Nightmare-Eclipse has released a proof-of-concept PoC exploit for yet another Microsoft Defender zero-day named RoguePlanet. "The exploit is a race condition, so it's a hit or miss," the researcher, who published the exploit...

Six Proto6 Vulnerabilities in protobuf.js Expose Node.js Apps to RCE and DoS

Cybersecurity researchers have flagged half a dozen vulnerabilities in protobuf.js, a JavaScript and TypeScript implementation of Protocol Buffers Protobuf, that, if successfully exploited, could result in remote code execution RCE and denial-of-service DoS attacks. "In affected environments, a...

Meta to Use Off-Site Business Data for Feed and AI Personalization

Meta on Tuesday announced that it will use information shared by other businesses to personalize users' feed and responses from its artificial intelligence AI chatbot, expanding its scope beyond targeted ads. "Businesses often share information about people's activity on their sites with us to ma...

Veeam Backup & Replication RCE Flaw Lets Domain Users Run Remote Code

Veeam has released security patches to address a critical flaw in its Backup & Replication software that could result in remote code execution. Tracked as CVE-2026-44963 , the vulnerability carries a CVSS score of 9.4 out of a maximum of 10.0. "A vulnerability allowing remote code execution RCE o...

Microsoft Restores Some GitHub Repos, Keeps Others Offline as Miasma Probe Continues

Microsoft on Monday confirmed that it temporarily removed some GitHub repositories in response to a recent security incident that led to 73 of its open-source projects being compromised to inject an information stealer into the code. "Our priority is to protect customers and the broader ecosystem...

WinRAR Flaw Exploited by Russia-Aligned Groups to Deploy Stealers in Ukraine

Two Russia-aligned cyber attack campaigns have continued to exploit a security flaw in WinRAR to target Ukrainian organisations, almost a year after patches for the vulnerability were released. The activity has been attributed by Trend Micro to Earth Dahu aka Gamaredon and SHADOW-EARTH-066 aka...

Researchers Build Self-Replicating AI Worm That Operates Entirely on Local, Open-Weight Models

University of Toronto researchers have built and tested a proof-of-concept AI-driven computer worm that uses a locally hosted open-weight large language model to reason its way through a network, generate tailored attack strategies for each target it encounters, and replicate itself, all without...

Chrome V8 Zero-Day CVE-2026-11645 Exploited in the Wild - Patch Now

Google has released security updates to address 74 vulnerabilities, including one that has come under active exploitation in the wild. The high-severity vulnerability, tracked as CVE-2026-11645 CVSS score: 8.8, has been described as an out-of-bounds memory access in V8, Chrome's JavaScript and...