An automated roundup of 19 notable cybersecurity article(s) from the last 36 hours, aggregated from 3 source(s). Descriptions are pulled directly from each publisher's feed; follow the links for the full articles.
BleepingComputer
Magento StyleSmuggler zero-day exploited to deploy Linux backdoor
A zero-day vulnerability dubbed "StyleSmuggler" affecting all versions of Magento and Adobe Commerce is being exploited in attacks to deploy a backdoor. [...]
BigBear Microsoft 365 phishing service bypassed MFA at 258 organizations
A phishing-as-a-service framework called BigBear 2.0 has been used to bypass multi-factor authentication at 258 organizations and steal more than 5,000 Microsoft 365 credentials. [...]
Mathspace discloses data breach affecting over 1 million people
Online maths learning platform Mathspace disclosed over the weekend that attackers stole data from more than 1 million students, staff, and parents after breaching its Metabase internal reporting system. [...]
Trezor data breach impact now reaches 81,000 customers
Cryptocurrency hardware wallet maker Trezor says an August data breach at its shipping and logistics provider, ShipMonk, affects an additional 67,000 U.S. customers. [...]
ChatGPT can now connect to your personal apps to mimic writing style
OpenAI appears to be testing a new "Writing Style" feature for ChatGPT that can learn how you write by looking at examples from your connected apps. [...]
Hackers exploit new MikroTik RouterOS flaws to hijack routers
Hackers are exploiting a chain of two recently disclosed vulnerabilities in MikroTik routers to take control of devices with SSH services exposed to the internet. [...]
ConnectWise warns of new ScreenConnect flaw without patch
ConnectWise has shared temporary mitigation measures for a new ScreenConnect Remote Access vulnerability that it plans to patch later this week. [...]
N-able patches max severity N-central flaw amid ongoing attacks
N-able has released an emergency hotfix for a maximum-severity remote code execution (RCE) flaw affecting its N-central remote monitoring and management (RMM) platform. [...]
ChatGPT Astra is now rolling out to $20 Plus subscription
OpenAI is now rolling out ChatGPT Astra, its most powerful model to date, to those with a $20 Plus subscription, but there's no word on when free users will get access.. [...]
The Hacker News
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…
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…
⚡ 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…
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…
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…
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…
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…
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…
SANS Internet Storm Center
Critical MikroTik Vulnerability - Patch Now, (Sun, Sep 6th)
Mikrotik released a patch late last week for an already-exploited vulnerability. The vulnerability allows an SSH authentication bypass and is already being exploited. At this point, assume compromise. Attackers have been adding new accounts to affected devices to maintain access…
Not included today: Krebs on Security (no articles in the last 36h); Dark Reading (no articles in the last 36h)