Cybersecurity · 27 views
Cisco Patches 34 Vulnerabilities Across Multiple Products
Critical-severity security defects could lead to command execution, authentication bypass, and XSS attacks.
Summary
Critical-severity security defects could lead to command execution, authentication bypass, and XSS attacks. Cisco on Wednesday announced patches for 34 vulnerabilities across Expressway Series, IOS XR, Snort 3, and Unified Communications products. Expressway Series received fixes for 10 vulnerabilities, including a critical-severity remote code execution (RCE) bug tracked as CVE-2026-76466. According to Cisco, the use of persistent cookies and insufficient validation of client certificates in certain configurations could allow attackers to connect to the database service and invoke specific remote procedure call (RPC) commands to exploit the bug.
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