ACTIVELY EXPLOITED
CVE-2025-34026: Versa Concerto Improper Authentication Vulnerability
| Vendor | Versa |
|---|---|
| Product | Concerto |
| Actively exploited | Yes |
| Added to CISA KEV | 22 Jan 2026 |
| CISA federal deadline | 12 Feb 2026 |
| Weakness (CWE) | CWE-288 |
Required action (CISA's text)
Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
Description (NVD)
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.
SOURCES
Other Versa flaws
Data from NVD, CISA KEV, FIRST EPSS and vendor advisories. Updated 10 Nov 2026.