CVE ID

CVE-2026-20182

Vulnerability Name

Cisco Catalyst SD-WAN Controller Authentication Bypass Vulnerability

Project: Cisco

Product: Catalyst SD-WAN

Date

Date Added: 2026-05-14

Due Date: 2026-05-17

Description

Cisco Catalyst SD-WAN Controller & Manager contain an authentication bypass vulnerability that allows an unauthenticated, remote attacker to bypass authentication and obtain administrative privileges on an affected system.

Known To Be Used in Ransomware Campaigns?

Unknown

Action

Please adhere to CISA’s guidelines to assess exposure and mitigate risks associated with Cisco SD-WAN devices as outlined in CISA’s Emergency Directive 26-03 (URL listed below in Notes) and CISA’s Hunt & Hardening Guidance for Cisco SD-WAN Devices (URL listed below in Notes).…