CERT24Cisco fixes actively exploited authentication bypass vulnerability in SD-WAN Manager — 2026-09-30Loading data…

Cisco fixes actively exploited authentication bypass vulnerability in SD-WAN Manager — 2026-09-30

A vulnerability in the API session-based authentication management of Cisco Catalyst SD-WAN Manager could allow an unauthenticated remote attacker to access an affected system with administrator privileges. In September 2026, Cisco PSIRT became aware of active exploitation of the vulnerability.

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Cisco fixes actively exploited authentication bypass vulnerability in SD-WAN Manager — 2026-09-30

A vulnerability in the API session-based authentication management of Cisco Catalyst SD-WAN Manager could allow an unauthenticated remote attacker to access an affected system with administrator privileges. In September 2026, Cisco PSIRT became aware of active exploitation of the vulnerability.