CVE-2026-20126
Cisco SD-WAN Catalyst Manager vulnerability analysis and mitigation

A vulnerability in Cisco Catalyst SD-WAN Manager could allow an authenticated, local attacker with low privileges to gain root privileges on the underlying operating system.

This vulnerability is due to an insufficient user authentication mechanism in the REST API. An attacker could exploit this vulnerability by sending a request to the REST API of the affected system. A successful exploit could allow the attacker to gain root privileges on the underlying operating system.


SourceNVD

Related Cisco SD-WAN Catalyst Manager vulnerabilities:

CVE ID

Severity

Score

Technologies

Component name

CISA KEV exploit

Has fix

Published date

CVE-2026-20127CRITICAL10
  • Cisco SD-WAN Catalyst ManagerCisco SD-WAN Catalyst Manager
  • cpe:2.3:a:cisco:catalyst_sd-wan_manager
YesYesFeb 25, 2026
CVE-2026-20129CRITICAL9.8
  • Cisco SD-WAN Catalyst ManagerCisco SD-WAN Catalyst Manager
  • cpe:2.3:a:cisco:catalyst_sd-wan_manager
NoYesFeb 25, 2026
CVE-2026-20133HIGH7.5
  • Cisco SD-WAN Catalyst ManagerCisco SD-WAN Catalyst Manager
  • cpe:2.3:a:cisco:catalyst_sd-wan_manager
NoYesFeb 25, 2026
CVE-2026-20128HIGH7.5
  • Cisco SD-WAN Catalyst ManagerCisco SD-WAN Catalyst Manager
  • cpe:2.3:a:cisco:catalyst_sd-wan_manager
NoYesFeb 25, 2026
CVE-2026-20108MEDIUM5.4
  • Cisco SD-WAN Catalyst ManagerCisco SD-WAN Catalyst Manager
  • cpe:2.3:a:cisco:catalyst_sd-wan_manager
NoNoMar 25, 2026

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