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CVSS 10 Alert

Critical Cisco Vulnerability Breaks Tenant Isolation

23. May, 2026 - 07:33

A critical vulnerability rated CVSS 10.0 is undermining tenant isolation in Cisco Secure Workload. Administrators are being urged to patch affected REST APIs immediately to prevent potential privilege escalation attacks.

But no critical data

Voice phishing: Cisco reports data leak from CRM system

06. August, 2025 - 08:29

Following a vishing attack on an employee, cybercriminals obtained the registration data of Cisco.com users.

Connection to previous attacks?

Cisco investigates data theft after offer on hacker forum

16. October, 2024 - 07:44

Cisco has confirmed that it is currently investigating after threat actors claimed to have stolen a large amount of confidential data in a cyberattack on October 6, 2024. The attackers offered the allegedly stolen data for sale on a hacker forum.

Critical Cisco Vulnerability Breaks Tenant Isolation

Voice phishing: Cisco reports data leak from CRM system

Cisco investigates data theft after offer on hacker forum

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