Versa Concerto Improper Authentication Vulnerability. Actively exploited: CISA added this vulnerability to its Known Exploited Vulnerabilities catalog on 22/01/2026. Patch affected systems as an emergency.
| Package | Affected versions | Patched versions |
|---|---|---|
| concerto | = 12.1.2= 12.2.0≥ 11.4.0, < 12.1.2 | 12.1.2 |
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.
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