Known Exploited Vulnerabilities September 30, 2026 · CISA KEV Catalog

CVE-2026-76504: Cisco Catalyst SD-WAN Manager Hex Encoding Vulnerability

Cisco Catalyst SD-WAN Manager contains a hex encoding vulnerability that could allow an unauthenticated, remote attacker to access an affected system with privileges of the admin user due to improper handling of URI encoding in an HTTP request.

Read the original at CISA KEV Catalog ↗

Topics: Vulnerabilities & Patching
Mentions: CVE-2026-76504 Cisco
Related: CVE-2026-20320: Cisco Broad Works Improper Restriction of XML External Entity Reference Vulnerability Known Exploited Vulnerabilities · Nov 10, 2026
CVE-2026-76418: Cisco Secure Firewall ASA Software and Cisco Secure FTD Software Unchecked Return Value to NULL Pointer Dereference Vulnerability Known Exploited Vulnerabilities · Oct 29, 2026
CVE-2026-76519: Cisco Secure Email Gateway Relative Path Traversal Vulnerability Known Exploited Vulnerabilities · Oct 14, 2026