Hackers exploit Collabora RCE flaw to backdoor Nextcloud servers

Threat actors are exploiting a critical command execution flaw, now tracked as CVE-2026-110447, in the Collabora Online - Built-in CODE Server app (richdocumentscode) for Nextcloud. [...]

https://www.bleepingcomputer.com/news/security/hackers-exploit-collabora-rce-flaw-to-backdoor-nextcloud-servers/

 BeyondTrust patches zero-day exploited in attacks since August

BeyondTrust warned customers on Thursday to patch a critical flaw in its Remote Support (RS) that has been exploited in zero-day attacks since late August. [...]

https://www.bleepingcomputer.com/news/security/beyondtrust-patches-zero-day-exploited-in-attacks-since-august/

 BAE Systems cyberattack disrupts US federal court operations

The Administrative Office of the US Courts says a cyberattack on government contractor BAE Systems has taken down the notice system used by federal bankruptcy courts. [...]

https://www.bleepingcomputer.com/news/security/bae-systems-cyberattack-disrupts-us-federal-court-operations/

 Microsoft: October Windows update may break Smart App Control

Microsoft says some users may have trouble turning on Smart App Control after installing this month's KB5127648 Windows 11 security update. [...]

https://www.bleepingcomputer.com/news/microsoft/kb5127648-windows-security-update-may-break-smart-app-control/

 Burger King Japan data breach exposes 11 million customer records

Burger King Japan, the Japanese subsidiary of global fast-food giant Burger King, disclosed a major data breach after attackers accessed a server containing 11.18 million customer records. [...]

https://www.bleepingcomputer.com/news/security/burger-king-japan-data-breach-exposes-11-million-customer-records/

 Employees using personal ChatGPT at work? Here's what IT admins need to do

Employees using personal ChatGPT accounts at work can expose sensitive company data, even when their organization provides an approved Enterprise workspace. NordLayer explains how IT teams can investigate unauthorized AI use and block sensitive information before it reaches personal accounts. [...]

https://www.bleepingcomputer.com/news/security/employees-using-personal-chatgpt-at-work-heres-what-it-admins-need-to-do/

 Zero-click attacks used targeted ads to deliver Candiru spyware

Candiru spyware was delivered to devices at Al Jazeera Media Network via targeted online advertisements in a zero-click attack that required only rendering the malicious ads on the victim's device. [...]

https://www.bleepingcomputer.com/news/security/zero-click-attacks-used-targeted-ads-to-deliver-candiru-spyware/

 Critical BlockStrap flaw lets hackers run code on Magento servers

Researchers warn that hackers could soon exploit a maximum-severity vulnerability (CVE-2026-103849) affecting Magento and Adobe Commerce, potentially allowing them to execute arbitrary PHP code on store servers. [...]

https://www.bleepingcomputer.com/news/security/critical-blockstrap-flaw-lets-hackers-run-code-on-magento-servers/

 Drupal patches critical RCE flaws, warns exploits may emerge soon

Drupal has patched two critical vulnerabilities that could allow attackers to execute code remotely on websites running any supported version of the content management system. [...]

https://www.bleepingcomputer.com/news/security/drupal-patches-critical-rce-flaws-warns-exploits-may-emerge-soon/

 Hackers breach Microsoft 365 tenants via ConnectWise supply-chain attack

ConnectWise has shut down customer access to its Cloud Backup service (formerly SkyKick Cloud Backup) after hackers accessed application identities and compromised Microsoft 365 tenants. [...]

https://www.bleepingcomputer.com/news/security/hackers-breach-microsoft-365-tenants-via-connectwise-supply-chain-attack/

 Hackers exploit SiteGuard WAF flaw to run commands as SYSTEM, root

Attackers are targeting an OS command injection vulnerability in SiteGuard Server Edition that lets them execute commands as root or SYSTEM on affected servers. [...]

https://www.bleepingcomputer.com/news/security/hackers-exploit-siteguard-waf-flaw-to-run-commands-as-system-root/

 Microsoft: October Windows Server updates break Exchange sign-in, mail flow

Microsoft has confirmed that this month's Windows Server security updates are causing OWA sign-in and mail delivery issues on some Exchange Server systems. [...]

https://www.bleepingcomputer.com/news/microsoft/microsoft-october-windows-server-updates-cause-exchange-issues/

 Microsoft fixes classic Outlook bug that hid Copilot buttons

Microsoft has fixed a known issue that removed the Copilot Chat and Copilot buttons in the classic Outlook desktop mail client for some Windows users. [...]

https://www.bleepingcomputer.com/news/microsoft/microsoft-fixes-bug-that-hid-copilot-buttons-in-classic-outlook/

 F5 releases out-of-band patches for critical NGINX vulnerabilities

F5 has released out-of-band security patches to address multiple NGINX web server flaws, including three critical-severity vulnerabilities that can let attackers execute code on vulnerable systems. [...]

https://www.bleepingcomputer.com/news/security/f5-releases-out-of-band-patches-for-critical-nginx-vulnerabilities/

 Inside the Underground Market for Know Your Client Services

Cybercriminals are selling forged identity documents, deepfake videos, and live verification services to help buyers bypass Know Your Client (KYC) checks. Flare examines how these underground services operate and the techniques used to create and maintain fraudulent verified accounts. [...]

https://www.bleepingcomputer.com/news/security/inside-the-underground-market-for-know-your-client-services/

 Microsoft fixes game, app crashes caused by recent Windows update

Microsoft has resolved a bug that caused games and apps using AC-3 (Dolby Digital) audio decoding to crash after installing the September 2026 Windows 11 preview update (KB5124010). [...]

https://www.bleepingcomputer.com/news/microsoft/microsoft-fixes-game-app-crashes-caused-by-windows-kb5124010-preview-update/

 OpenCode hack exposes API keys amid AI distillation attacks

The open-source AI coding project OpenCode has notified a small number of users that API keys they used with external providers were exposed in a security breach. [...]

https://www.bleepingcomputer.com/news/security/opencode-hack-exposes-api-keys-amid-ai-distillation-attacks/

 Bullhorn takes staffing platform offline to contain cyberattack

Staffing software company Bullhorn has disabled access to its platform to contain a cyberattack that caused a system-wide outage. [...]

https://www.bleepingcomputer.com/news/security/bullhorn-takes-staffing-platform-offline-to-contain-cyberattack/

 Hackers hijack AOMEI update servers to secretly spread malware

Hackers reportedly compromised AOMEI's servers to distribute malware through a built-in promotional feature in its backup software, briefly tampering with configuration files before restoring them to their original state to hide the attacks.a [...]

https://www.bleepingcomputer.com/news/security/hackers-hijack-aomei-update-servers-to-secretly-spread-malware/

 WordPress SEO plugin Rank Math compromised to backdoor websites

Some downloads of the Rank Math PRO WordPress plugin from the vendor's official website carried malware that planted hidden backdoors in a supply-chain attack last week. [...]

https://www.bleepingcomputer.com/news/security/wordpress-seo-plugin-rank-math-compromised-to-backdoor-websites/

 Nikkei discloses third data breach in a month, 1.8M records exposed

Nikkei Inc. disclosed a new data breach, the third in about a month, that exposed 1.83 million personal information records. [...]

https://www.bleepingcomputer.com/news/security/nikkei-discloses-third-data-breach-in-a-month-18m-records-exposed/