Cisco disclosed that CVE-2026-76519, a critical (CVSS 9.8) flaw in Secure Email Gateway (SEG), has been exploited as a zero-day before a fix was available. A remote, unauthenticated attacker can write files and execute commands as root on the appliance simply by sending a malicious email. CISA added the flaw to its Known Exploited Vulnera…
Unknown attackers compromised thousands of internet-exposed refrigeration controllers late on Sunday, raising temperatures to as high as 122°F (50°C), spoiling food and causing fires at nearly 700 French supermarkets. France's ANSSI warned of widespread compromises of Danfoss controllers and a day later added Copeland and its Dixell brand…
ConnectWise disclosed on October 16 that on October 15 it detected unauthorized access to application identities in its Cloud Backup (formerly SkyKick) environment. It suspended Cloud Backup, plus the integrated SaaS Security and Cloud Management services, as a precaution. As of 16:00 UTC on October 18 the services were still down, so end…
EG Secure Solutions warns that CVE-2026-106931, an OS command injection flaw in the statistics function of SiteGuard Server Edition, a Japanese host-based WAF, is being exploited in the wild. Successful exploitation lets an attacker run commands as root or SYSTEM on the server hosting the product. The flaw is rated CVSS 4.0 8.5 and CVSS 3…
Attackers used compromised application credentials from ConnectWise Cloud Backup (formerly SkyKick) to access Microsoft 365 customer environments. Huntress researcher Jonathan Semon confirmed unauthorized sign-ins across 162 tenants as of 19:00 UTC on October 16. ConnectWise disabled application access, which interrupted backup services, …
Drupal published an advisory on October 14, 2026 for CVE-2026-108097, a critical remote code execution vulnerability in the Field UI module (fieldui) of Drupal core. The advisory gives it a risk score of 19/25, with basic attack complexity, no authentication required, and full confidentiality and integrity impact. Drupal core alone is not…
ConnectWise suspended its Cloud Backup (formerly SkyKick), SaaS Security and Cloud Management services on October 17-18 after attackers abused a compromised application credential to access customers' Microsoft 365 tenants. Huntress saw the Cloud Backup identity sign in to 162 M365 tenants between October 15 and 16. By October 17 it had f…
ConnectWise shut down its Cloud Backup service (formerly SkyKick Cloud Backup) after an attacker gained unauthorized access to application identities and used them to compromise Microsoft 365 tenants. Huntress identified at least 162 compromised tenants in its environment, and Microsoft Threat Intelligence characterized the incident as an…
Qilin and Settra ransomware groups are actively exploiting CVE-2026-0257, an authentication bypass in PAN-OS GlobalProtect and Prisma Access disclosed in May 2026, according to ReliaQuest. Because access arrives through the victim's own VPN, it can resemble legitimate remote work and go unnoticed until credential theft, lateral movement, …
An active supply chain attack is abusing a compromised credential for the ConnectWise Cloud Backup (formerly SkyKick) Microsoft 365 OAuth application, giving unknown actors access to customer tenants. Huntress confirmed unauthorized sign-ins in 173 partner/customer tenants, and Microsoft reports broad successful service principal authenti…
ConnectWise disabled seven application identities on October 17, 2026 after unknown threat actors gained unauthorized access to them and used them to compromise Microsoft 365 tenants. The company detected the issue on October 14 and has suspended Cloud Backup, SaaS Security and Cloud Management while it investigates. Huntress observed alm…
This weekly recap covers several concurrent incidents. ConnectWise disabled seven application identities and suspended Cloud Backup after unknown actors abused them to compromise Microsoft 365 tenants. China-nexus Armory Castle (UNC5221 / Warp Panda) exploited BeyondTrust Remote Support flaw CVE-2026-102764 (CVSS 9.3) as a zero-day in lat…