Actively exploited
Listed in CISA’s Known Exploited Vulnerabilities catalog since May 14, 2026.
CVE-2026-20182
Cisco Catalyst SD-WAN Controller Authentication Bypass Vulnerability
Added to KEV May 14, 2026
Alert details
- Source feed
- CISA KEV
- CVE ID
- CVE-2026-20182
- CWE
- CWE-287
- Affected products
- Catalyst SD-WAN · Cisco Catalyst SD-WAN · Cisco
What happened
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.
What it means for your business
Cisco Catalyst SD-WAN is listed in CISA's Known Exploited Vulnerabilities catalog (CVE-2026-20182). 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. CISA remediation due date: 2026-05-17. If you need help checking exposure, call (864) 335-9223.
Required 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). Adhere to the applicable BOD 22-01 guidance for cloud services or discontinue use of the product if mitigations are not available.
CISA due date: May 17, 2026
Sources
Related briefs
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