CVE-2025-34026 — Versa Concerto Improper Authentication Vulnerability
CVE-2025-34026: Versa Concerto Improper Authentication Vulnerability
CISA Known Exploited Vulnerability (KEV)
| Vendor / project | Versa |
| Product | Concerto |
| Date added | 2026-01-22 |
| Due date | 2026-02-12 |
| Ransomware campaign use | Unknown |
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 (CISA)
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
References
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2025-34026
- KEV catalog: https://www.cisa.gov/known-exploited-vulnerabilities-catalog