CVE-2025-34026

Product

Versa / Concerto

Vulnerability

Versa Concerto Improper Authentication Vulnerability

Added to KEV

Jan 22, 2026

Remediate by

Feb 12, 2026

Known ransomware use

No

Summary description

Versa Concerto SD-WAN orchestration platform contains an improper authentication vulnerability in the Traefik reverse proxy configuration, allowing at attacker to access administrative endpoints. The internal Actuator endpoint can be leveraged for access to heap dumps and trace logs.

Required action

Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

Notes

https://security-portal.versa-networks.com/emailbulletins/6830f94328defa375486ff2e ; https://nvd.nist.gov/vuln/detail/CVE-2025-34026