Outbreak Alert
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Critical Versa Concerto Vulnerabilities Leads to Code Execution
Multiple critical security vulnerabilities in the Versa Concerto network security and SD-WAN orchestration platform. When chained, these flaws could allow remote attackers to bypass authentication, escape Docker containers, and fully compromise both the application and the underlying host system. Learn More »
Common Vulnerabilities and Exposures
Background
Versa Concerto is an orchestration and management platform for Versa Networks’ SD-WAN and SASE (Secure Access Service Edge) solutions. Widely deployed in enterprise and managed networking environments.
CVE-2025-34025: Privilege escalation flaw enabling Docker container escape and host-level code execution.
CVE-2025-34026: Traefik authentication bypass allowing unauthorized access to admin endpoints and internal Spring Boot Actuator data. CVE-2025-34026 was flagged for urgent attention and added to the CISA Known Exploited Vulnerabilities Catalog.
CVE-2025-34027: Traefik authentication bypass leading to arbitrary file writes and full remote code execution via package upload endpoint.
Latest Development
Recent news and incidents related to cybersecurity threats encompassing various events such as data breaches, cyber-attacks, security incidents, and vulnerabilities discovered.
Organizations are advised to apply vendor patches, restrict access to orchestration interfaces, and implement protective controls such as network segmentation and strict administrative access policies to limit exposure.
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January 29, 2026: FortiGuard Labs released a Threat Signal.
https://www.fortiguard.com/threat-signal-report/6327/versa-concerto-sd-wan-authentication-bypass -
January 22, 2026: CVE-2025-34026 was added to the CISA Known Exploited Vulnerabilities Catalog
FortiGuard Cybersecurity Framework
Mitigate security threats and vulnerabilities by leveraging the range of FortiGuard Services.
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IPS
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Web App Security
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IOC
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Outbreak Detection
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Automated Response
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Assisted Response Services
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NOC/SOC Training
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End-User Training
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Attack Surface Hardening
Threat Intelligence
Information gathered from analyzing ongoing cybersecurity events including threat actors, their tactics, techniques, and procedures (TTPs), indicators of compromise (IOCs), malware and related vulnerabilities.
References
Sources of information in support and relation to this Outbreak and vendor.