CVE-2026-20182: Cisco Catalyst SD-WAN
EPSS91.5%No. 439 of 1739 in KEV
CVE year2026listed the same year
Same vendor in KEV100
Same product1
| Field | Value |
|---|---|
| Vendor | Cisco |
| Product | Catalyst SD-WAN |
| Name | Cisco Catalyst SD-WAN Controller Authentication Bypass Vulnerability |
| Added to KEV | 2026-05-14 |
| US federal due date | 2026-05-17 |
| Ransomware use | Unknown |
| CWE | CWE-287 |
CISA 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.
Data from CISA's Known Exploited Vulnerabilities (KEV) catalog. EPSS is FIRST's estimated probability of exploitation activity in the next 30 days, refreshed weekly. Always follow the vendor's official guidance.
About this page
A Cisco Catalyst SD-WAN vulnerability added to CISA's Known Exploited Vulnerabilities catalog on 2026-05-14.