Anthropic Discloses Fourth AI Hacking Incident Involving Claude Opus 4.6

Anthropic on Wednesday disclosed a fourth incident in which its artificial intelligence AI model broke into real third-party systems, marking the latest in a growing list of cases that have raised concerns about the security risks posed by autonomous AI agents. The AI company said the incident...

U.S. Disrupts Xinbi Guarantee Scam Marketplace, Freezes $52.8 Million in Crypto

The U.S. Department of Justice DoJ on Wednesday announced coordinated actions aimed at an illicit online marketplace called Xinbi Guarantee that offered scam services, including seizing Telegram channels used to run the service, confiscating two cryptocurrency wallets, and deploying the Scam Cent...

Four Spy Groups Used the Same Chrome and Windows Exploit Kit Within a Week

Multiple espionage-motivated threat activity clusters have been found deploying a previously undocumented exploit kit called BlueMoon that chains together multiple vulnerabilities in Microsoft Windows and Google Chrome. The first in-the-wild use of BlueMoon has been attributed to the China-aligne...

Infostealer Logs Expose Replayable AI Tokens That Can Bypass MFA

Cybercriminals are hijacking artificial intelligence AI user accounts via information stealer logs to create "stolen keys" that grant illicit access to tools from model providers like Google, Anthropic, and others. Information stealers like Lumma Stealer or Vidar are equipped to harvest a wide...

Webinar: Learn How to Answer “Are We Exposed?” Faster After a New CVE

A major vulnerability is disclosed. The alert lands immediately. Then comes the harder question: Are we actually exposed? For many security teams, answering that means jumping between vulnerability scanners, endpoint tools, cloud inventories, SBOMs, repositories, and application data to build...

DeepSeek Harness Flaw Let AI Agents Disable Their Own File Sandbox Without Approval

A flaw in DeepSeek Harness , DeepSeek's open-source tool for running AI coding agents on a developer's machine, let a sandboxed agent turn off its own sandbox with a single command. The tool runs an agent's commands inside an operating-system sandbox, so that an agent working on untrusted files...

Alby Hub Critical Flaw Could Let Attackers Take Over Internet-Exposed Bitcoin Wallets

Bitcoin wallet company Alby has warned of a critical flaw in Alby Hub that could have let an attacker take over a wallet and send its funds, but only where the owner had made the Hub reachable from the internet. Alby Hub is a self-hosted Lightning wallet, meaning the owner runs it on their own...

U.S. Agencies Accuse China AI Firms of Distilling Claude, GPT, Gemini, and Grok

U.S. cybersecurity and intelligence agencies have accused China-based artificial intelligence AI companies of conducting "systematic extraction" of proprietary functionalities and capabilities of American frontier models through distillation attacks. The activity has been described as occurring a...

Chrome V8 Zero-Day Exploited in the Wild Enables Code Execution Inside Sandbox

Google on Tuesday released updates to patch 230 security vulnerabilities, including one that has come under active exploitation in the wild. The medium-severity vulnerability, assigned the CVE identifier CVE-2026-87491 CVSS score: N/A, has been described as an out-of-bounds bug in V8, Chrome's...

New cPanel Flaw Lets a Hosting Account With Mail Privileges Run Code as Root

cPanel has patched a flaw that it says lets a single hosting account take control of an entire server. An authenticated account holder with mail-related privileges can create files of their choosing on the server through EmailTrack and, from there, run code as the root user. cPanel published the...

F5 BIG-IP APM Malware Injects a PHP Web Shell Into Memory, Evading Disk Scans

Malware linked to break-ins at F5 BIG-IP Access Policy Manager appliances hides a PHP web shell in memory instead of in a file on disk, Sophos said in an analysis published on September 7. When Apache loads any of the three appliances' own PHP scripts, the malware adds the web shell to the copy...

Researcher Drops New Microsoft Defender PoC Showing ShieldBreak Patch Can Be Bypassed

The security researcher known as Chaotic Eclipse has dropped a proof-of-concept PoC for yet another zero-day in Microsoft Defender. The vulnerability, codenamed ShieldCrash , is assessed to be a patch bypass for CVE-2026-69414 CVSS score: 7.8, also called ShieldBreak, which the researcher reporte...

SAP Patches CVSS 10.0 Kernel Flaw Enabling Unauthenticated Remote Code Execution

SAP has released security updates to address multiple vulnerabilities, including a maximum-severity flaw in SAP Extended Passport EPP Processing that could have a severe impact on the confidentiality, integrity, and availability of the application The vulnerability, tracked as CVE-2026-44756 CVSS...

Microsoft Patches Record 974 Flaws, Including Two Exploited Windows Zero-Days

Microsoft on Tuesday broke Patch Tuesday records by addressing an earth-shattering 974 vulnerabilities spanning its software portfolio, including two flaws that it said have been actively exploited in the wild. These include 723 flaws in Windows, 111 in Office and Office 2016, 62 in SQL, and 22 i...

N-able N-central Pre-Auth RCE Flaw Exploited in the Wild

The U.S. Cybersecurity and Infrastructure Security Agency CISA on Tuesday added a maximum-severity security flaw impacting N-able N-central to its Known Exploited Vulnerabilities KEV catalog, requiring Federal Civilian Executive Branch FCEB agencies to apply the fixes by September 11, 2026. The...

Slim Spider Steals Crypto Custody Secrets From Brazilian Financial Institution

A previously undocumented financially motivated threat actor has been linked to attacks targeting Brazilian financial institutions since at least March 2026. Cybersecurity company CrowdStrike is tracking the Brazil-based activity cluster under the name Slim Spider. "The adversary demonstrates dee...

Liquid Hackers Return 3,400 Bitcoin Taken via Elements Bug, Still Holding $47M in BTC

Whoever took nearly 4,000 bitcoin from the Liquid Network on Sunday, September 6, returned 3,400 of it the next day, Bitcoin's public record shows. About 598.5 bitcoin has not come back. Liquid is a Bitcoin sidechain that holds real bitcoin to back a token called L-BTC. The network is still pause...

ChatGPT Flaw Let a Planted Prompt Send a Victim's Gmail Data to Another Account

Check Point Research said in a report published today that a single instruction planted in a ChatGPT conversation could cause ChatGPT to quietly work for an attacker while answering the user's question as usual. In the company's proof of concept, that hidden work read data from the user's connect...

Autonomous AI Agents Compromise Thousands of Credentials in Under Six Hours

Threat actors are continuing to leverage artificial intelligence AI to streamline their operations, with one financially motivated hacking group employing an autonomous, multi-agent attack framework to carry out a large-scale credential harvesting campaign within six hours. Google Threat...

WeChat Zero-Click Worm Took Over Accounts on iPhone and Android via Incoming Calls

Researchers at the security firm Calif have built a worm that takes over a WeChat account via an incoming call and demonstrated it spreading among three test phones. The person being called does not have to answer or touch their phone for it to work, but the caller must already be one of their...

What It Took to Reach 1 Billion Build Manifests

In the last six months, Chainguard doubled its output from 500 million to more than 1 billion container build manifests. We also surpassed 3,000 unique container images and 675,000 image versions in our catalog. Those are the headline numbers, but I want to share what's actually behind them. The...

FreeIPA Flaw Chain Lets Anonymous Clients Create Reusable Administrator Credentials

A flaw in FreeIPA lets a client that has never logged in create a Kerberos identity of its own choosing in the directory and end up in the administrators group, Red Hat says. FreeIPA is the system that determines who may log in across a Linux domain and maintains all identities in a 389 Directory...

Adobe Patches Magento Zero-Day Exploited to Deploy Rust Backdoor and PHP Web Shell

Adobe on Monday released security patches to address a maximum-severity flaw impacting Adobe Commerce and Magento Open Source that has come under active exploitation in the wild. The vulnerability, now tracked as CVE-2026-75650 CVSS score: 10.0, has been codenamed StyleSmuggler by Sansec, which...

BengalSEO Poisons Bing Search Results to Deliver MayaBot and Tech Support Scams

Cybersecurity researchers have disclosed details of a sprawling search engine optimization SEO poisoning campaign that paves the way for malware deployment and tech support scams. The campaign, discovered by the DFIR Report in March 2026, has been codenamed BengalSEO. It has operated out of the...

Grindr to Pay £26 Million to Settle U.K. Claims Over HIV Status Data Sharing

Online dating app Grindr has opted to pay £26 million $35.1 million to settle a lawsuit in the U.K. over allegations that it shared users' personal information, including their HIV status, with third-parties. Grindr, which is the largest LGBTQ+ dating app, was sued in April 2024, accusing it of...

PEEP Turns Chrome and Edge Into Post-Compromise Backdoors for Host Command Execution

Cybersecurity researchers have disclosed details of a complex Chromium-based post-exploitation toolkit called PEEP that masquerades as a bookmarks extension for the web browser. "Requiring prior administrative or code execution access, its installer injects the extension directly into Chrome/Edge...

Fake IT Calls Target Executives in Microsoft 365 Data Theft and Extortion Attacks

Threat hunters have disclosed details of a widespread data theft and extortion threat cluster that's targeting Microsoft 365 and other software-as-a-service SaaS offerings through information technology IT help desk vishing, adversary-in-the-middle AitM token theft, and residential-proxy sign-ins...

⚡ Weekly Recap: Chrome 0-Day, Router Hijacks, Coder Supply Chain Attack and More

Turning off email images should at least stop the pictures. This week, attackers had a workaround: a scannable QR code built out of text. It still appears, even with images blocked. A small detail, but an annoying one if that was a precaution you were counting on. Elsewhere, a trusted software...

Your Cloud Security Checklist Doesn't Work the Way You Think It Does

If managing security across multiple cloud providers wasn't hard enough, each one fails in a different way. For the 2026 Cloud Security Index, Intruder analyzed misconfiguration data from 3,000 organizations across AWS, Azure, and Google Cloud and found that risk profiles across providers have...

Rogue ScreenConnect Clients Spread Four-Stage VBScript Chain to Newly Connected Hosts

Cybersecurity researchers have disclosed details of worm-like activity that abuses ConnectWise ScreenConnect to distribute a malicious Visual Basic Script VBScript payload to newly connected systems. According to Huntress, three unrelated incidents have been found to use diverse initial access...

Telerik UI Padding-Oracle Bug Chained to Unauthenticated RCE — Public Exploit Released

A TantoSec proof-of-concept turns an AES-CBC "padding oracle" in Telerik UI for ASP.NET AJAX into unauthenticated remote code execution — but only against applications in a specific non-default configuration, and Progress patched the chain in July. There are no confirmed reports of exploitation i...

N-able Issues Fourth N-central Hotfix in Five Weeks for Unauthenticated RCE Flaw

Every on-premises N-central build below 2026.3.1.14 — including servers updated to Hotfix 3 a day earlier — needs Hotfix 4. N-able's incident notice says the flaw has been exploited in the wild; its release notes say that is unconfirmed. N-able has released its fourth hotfix in five weeks for the...

JSCeal Malware Can Bypass Google Authentication Using Stolen Session Cookies

Cybersecurity researchers have unpacked JSCeal , a sophisticated compiled V8 JavaScript JSC malware with credential harvesting, surveillance, and traffic-interception capabilities. "The payloads are protected with javascript-obfuscator, using multiple techniques including RC4-protected strings,...

Attackers Hijack MikroTik Routers Through Internet-Exposed SSH Without Authentication

Attackers are exploiting MikroTik routers with their Secure Shell SSH remote-access service, which is reachable from the internet, to gain full administrative control without authentication, according to CERT Polska's attack warning, published on September 5. Successful attacks date to at least...

Four REVSTEALER-Linked Modules Disable Windows Update and Defender to Run a Crypto Miner

Elastic Security Labs has documented four previously unreported programs associated with REVSTEALER, an emerging Windows information stealer, that remain on an infected machine after the stealer deletes itself. One of them switches off Windows Update and Microsoft Defender before running a...

Unpatched Magento and Adobe Commerce Zero-Day Exploited to Backdoor Online Stores

Attackers are exploiting a new unpatched vulnerability in Magento Open Source and Adobe Commerce that lets them run malicious code on an online store's server without logging in, Dutch e-commerce security company Sansec said in an advisory published on September 5. Sansec, which discovered the fl...

Attackers Breached JetBrains Cadence via Unpatched TeamCity, Extracting AWS Credentials

JetBrains is urging Cadence users to revoke and rotate all credentials following a security incident last month in which unidentified threat actors exploited a recently disclosed critical vulnerability in TeamCity to breach its own environment. "Cadence users should immediately revoke or rotate a...

Critical VMware Workstation and Fusion Flaw Lets VM Admins Execute Host Code

Broadcom has released security updates for two security flaws impacting VMware Workstation and Fusion, including one critical bug that could result in arbitrary code execution under certain conditions. The vulnerability, tracked as CVE-2026-59346 CVSS score: 9.3, is an integer-overflow...

Trezor Says ShipMonk Breach Exposed 67,000 U.S. Customers' Data It Said Was Deleted

Hardware wallet manufacturer Trezor on Friday disclosed that another 67,000 customers from the U.S. have been impacted in a breach at its shipping provider ShipMonk. The exposed information includes customer names, email addresses, phone numbers, shipping addresses, and order numbers between...

Thousands of OpenAI Agents Quietly Turned an Abandoned Wiki Into Their Coordination Channel

A group of AI safety researchers says a fleet of autonomous agents that identified themselves as OpenAI systems left about 18,000 posts on a dormant 25-year-old German wiki between May and July 2026, using the site as a shared board to pool answers to a timed web task and pass around a way out of...

Attackers Exploit PaperCut Flaws to Steal Credentials From Schools and Universities

Threat actors are exploiting the newly disclosed PaperCut flaws to facilitate credential theft in attacks targeting the education sector in the U.S. and Europe. The Arctic Wolf Adversary Research Team said it observed attackers exploiting CVE-2026-81578 and CVE-2026-82078 – an authentication bypa...

Phishing Campaign Sends Millions of Emails Using Invisible Unicode to Evade Filters

Microsoft is alerting of a "high-volume phishing campaign" that's using invisible Unicode tag characters to bypass email filters. "Instead of using these characters to hide instructions from people while exposing them to AI models, the attacker used them to split financial lure words such as...

PostgreSQL Fixes 12-Year-Old Logical Decoding Flaw Enabling Replication-Role Code Execution

PostgreSQL has released updates to address a security flaw that allows an account with the REPLICATION attribute to run arbitrary code as the operating-system user running the database server. The flaw, tracked as CVE-2026-6471 CVSS score: 7.2, has been present since logical decoding was introduc...

New Ted Backdoor Hides Inside Victims' Own HAProxy Builds to Intercept Web Traffic

A previously undocumented Linux toolkit has been found compiled directly into the trojanized HAProxy load balancers of two South Korean organizations, where it intercepted web traffic and served altered pages to selected visitors. The attackers named the implant ted in debug strings left in the...

Over 440,000 Exploit Attempts Target Super Forms and Elementor Pro RCE Flaws

Threat actors are exploiting two critical security flaws in WordPress plugins Super Forms and Elementor Pro, according to findings from Wordfence. The vulnerabilities in question are - CVE-2026-14894 CVSS score: 9.8 - A missing file type validation vulnerability in Super Forms – Drag & Drop Form...

Plex Urges Immediate Updates After Patching Multiple Undisclosed Security Flaws

Plex is urging users to update their instances to the latest version following the release of an update that patches multiple security flaws. The fixes are available in Plex Media Server 1.43.3 and Plex Desktop 1.115.0. The streaming media service did not elaborate on what those issues are, but...

Google Releases Chrome Update to Patch Actively Exploited V8 Zero-Day

Google on Thursday released security updates to patch 12 vulnerabilities, including one that has come under active exploitation in the wild. The high-severity vulnerability, tracked as CVE-2026-85046 CVSS score: 8.8, has been described as a type confusion bug in V8, Chrome's JavaScript and...

GPT-6 Astra Scores 100% on ExploitBench as OpenAI Blocks PoC Exploit Requests

OpenAI on Thursday officially unveiled GPT‑6 Astra , which it described as the "world's most intelligent and aligned model." The development comes days after the artificial intelligence AI company said the model had reached the "Critical" cybersecurity capability threshold under its Preparedness...

ThreatsDay: CEO Phishing Kits, 5K Dropbox Account Hacks, OAuth Traps + 17 More Stories

The worst part is how normal these attacks look. A call from IT. A shared file. A trusted app. A simple request to click “Allow.” Why break in when someone might open the door? That idea runs through this edition. Attackers use real tools, fake login pages, old account links, and software guides...

Critical Cisco Nexus 9000 Flaw Lets Unauthenticated Remote Attackers Run Code as Root

Cisco has released patches to address a critical security flaw affecting 10 Silicon One-based Nexus 9000 switches that could allow an unauthenticated, remote attacker to execute code as root, alongside an IOS XR hardening release bundling 7 umbrella CVEs, 2 of which are rated 9.8, with no...