Inclusion of Sensitive Information in Log Files in Catalyst SD-WAN Manager (formerly SD-WAN vManage) - CVE-2026-20209

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Main Vulnerability Database Vulnerabilities #VU131452

Inclusion of Sensitive Information in Log Files in Catalyst SD-WAN Manager (formerly SD-WAN vManage) - CVE-2026-20209

Published: May 14, 2026


Vulnerability identifier: #VU131452
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2026-20209
CWE-ID: CWE-532
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: Cisco Systems, Inc
Affected software:
Catalyst SD-WAN Manager (formerly SD-WAN vManage)

Detailed vulnerability description

The vulnerability allows a remote user to escalate privileges.

The vulnerability exists due to insertion of sensitive information into log files in the web UI when recording audit logs. A remote user can leverage sensitive session information in audit logs to escalate privileges.

The issue requires read-only permissions.


How to mitigate CVE-2026-20209

Install security update from vendor's website.

Sources