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. [...]

https://www.bleepingcomputer.com/news/security/magento-stylesmuggler-zero-day-exploited-to-deploy-linux-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. [...]

https://www.bleepingcomputer.com/news/security/bigbear-microsoft-365-phishing-service-bypassed-mfa-at-258-organizations/

 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. [...]

https://www.bleepingcomputer.com/news/security/mathspace-discloses-data-breach-affecting-over-1-million-people/

 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. [...]

https://www.bleepingcomputer.com/news/security/trezor-data-breach-impact-now-reaches-81-000-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. [...]

https://www.bleepingcomputer.com/news/artificial-intelligence/chatgpt-can-now-connect-to-your-personal-apps-to-mimic-writing-style/

 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. [...]

https://www.bleepingcomputer.com/news/security/hackers-exploit-new-mikrotik-routeros-flaws-to-hijack-routers/

 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. [...]

https://www.bleepingcomputer.com/news/security/connectwise-warns-of-new-screenconnect-flaw-without-patch/

 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. [...]

https://www.bleepingcomputer.com/news/security/n-able-patches-max-severity-n-central-flaw-amid-ongoing-attacks/

 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.. [...]

https://www.bleepingcomputer.com/news/artificial-intelligence/chatgpt-astra-is-now-rolling-out-to-20-plus-subscription/

 Attackers conceal phishing lures using invisible Unicode characters

Threat actors have adopted the ASCII smuggling technique in phishing campaigns, using invisible Unicode characters to evade email security filters. [...]

https://www.bleepingcomputer.com/news/security/attackers-conceal-phishing-lures-using-invisible-unicode-characters/

 Over 5,400 hacked sites serve ClickFix payloads stored on the blockchain

A massive cybercriminal operation is leveraging thousands of compromised small-business websites to deliver ClickFix payloads stored in smart contracts on the BNB Smart Chain (BSC). [...]

https://www.bleepingcomputer.com/news/security/over-5-400-hacked-sites-serve-clickfix-payloads-stored-on-the-blockchain/

 OpenAI admits it didn't disclose rogue AI wiki hijacking incident

OpenAI admits it did not disclose an incident where autonomous AI agents hijacked a German wiki, created 18,000 posts, shared answers, and bypassed restrictions, saying it treated the activity as model "misalignment" rather than a security breach. [...]

https://www.bleepingcomputer.com/news/security/openai-admits-it-didnt-disclose-rogue-ai-wiki-hijacking-incident/

 IDScan sued over alleged data breach affecting 153 million drivers

Multiple lawsuits have been filed against identity verification company IDScan after hackers allegedly breached the service and offered to sell more than 153 million driver's licenses. [...]

https://www.bleepingcomputer.com/news/security/idscan-sued-over-alleged-data-breach-affecting-153-million-drivers/

 Critical Citrix NetScaler auth bypass now leveraged in attacks

Attackers have begun targeting a critical-severity Citrix NetScaler auth bypass flaw (CVE-2026-19490) in the wild, according to vulnerability intelligence company Previdian. [...]

https://www.bleepingcomputer.com/news/security/hackers-target-critical-citrix-netscaler-auth-bypass-in-attacks/

 Microsoft says some users can’t open the Teams desktop client

Microsoft is working to resolve a known issue that causes delays or blocks some users from opening the Microsoft Teams desktop client on Windows systems. [...]

https://www.bleepingcomputer.com/news/microsoft/microsoft-says-some-users-cant-open-the-teams-desktop-client/

 39 New Methods That Compromise Passkey Authentication

Passkeys eliminate many password-based attacks, but researchers have documented 39 methods for compromising authentication built around them. Token explains how attackers can abuse authentication prompts, synced credentials, enrollment, recovery, and other trust boundaries without breaking FIDO2 cryptography. [...]

https://www.bleepingcomputer.com/news/security/39-new-methods-that-compromise-passkey-authentication/

 New CrowdStrike 'FalconFlank' zero-day grants SYSTEM privileges

An anonymous security researcher who uses the "Nightmare Eclipse" handle released a CrowdStrike Falcon zero-day exploit named "FalconFlank" that lets attackers escalate privileges on up-to-date Windows systems. [...]

https://www.bleepingcomputer.com/news/security/new-crowdstrike-falconflank-zero-day-grants-system-privileges/

 Exchange Online outage causes email delays, 'Server busy' errors

Microsoft is working to resolve an ongoing Exchange Online outage that is delaying email sent to and received from external domains. [...]

https://www.bleepingcomputer.com/news/microsoft/exchange-online-outage-causes-email-delays-server-busy-errors/

 Google warns of new Chrome zero-day flaw exploited in attacks

Google has updated the Chrome browser to address an actively exploited high-severity zero-day flaw in the V8 engine and 11 other vulnerabilities. [...]

https://www.bleepingcomputer.com/news/security/google-warns-of-new-chrome-zero-day-flaw-exploited-in-attacks/

 French hospital fined €500,000 after breach exposes data of 727,000

France's data protection authority (CNIL) has fined Hôpital privé de la Loire €500,000 ($580,000) for failing to adequately protect patients' and their relatives' data. [...]

https://www.bleepingcomputer.com/news/security/french-hospital-fined-500-000-after-breach-exposes-data-of-727-000/