Actively exploited in the wild
Versa Concerto Improper Authentication Vulnerability
Versa - Concerto · Listed in the CISA KEV since 2026-01-22. This indicates confirmed attacks in production environments.
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.
CVE-2025-34026
HighCVSS 7.5KEVSummary
The Versa Concerto SD-WAN orchestration platform is vulnerable to an authentication bypass in the Traefik reverse proxy configuration, allowing an attacker to access administrative endpoints. The internal Actuator endpoint can be leveraged for access to heap dumps and trace logs.
Risk Assessment
An attacker can gain unauthorized access to the administrative panel and sensitive data, potentially leading to full system compromise.
Recommendation
Update Versa Concerto to a patched version or apply a workaround by restricting access to administrative endpoints.
Other vulnerabilities in Versa Concerto
See all- CVE-2025-34027Critical
The Versa Concerto SD-WAN orchestration platform is vulnerable to an authentication bypass in the Traefik reverse proxy configuration, allowing an attacker to access administrative endpoints. The Spack upload endpoint can be leveraged for a TOCTOU write with a race condition to achieve remote code execution (RCE). This issue affects Concerto from 12.1.2 through 12.2.0.
- CVE-2025-34025High
The Versa Concerto SD-WAN orchestration platform is vulnerable to a privileges escalation and container escape vulnerability caused by unsafe default mounting of host binary paths that allow the container to modify host paths. The escape can be used to trigger remote code execution or direct host access depending on the host operating system configuration. This issue is known to affect Concerto from 12.1.2 through 12.2.0. Additional versions may be vulnerable.
Original NVD description (English source)
The Versa Concerto SD-WAN orchestration platform is vulnerable to an authentication bypass 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.This issue is known to affect Concerto from 12.1.2 through 12.2.0. Additional versions may be vulnerable.