# CVE-2025-34026

## Summary

- **CVE ID:** CVE-2025-34026
- **Severity:** CRITICAL
- **CVSS Score:** 9.2 (CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:H/SI:L/SA:N)
- **CWE:** CWE-288
- **Published:** May 21, 2025
- **Last Modified:** Jan 23, 2026

## Description

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.

## Affected Products

- Versa — Concerto (12.1.2)

## References

- [CNA](https://projectdiscovery.io/blog/versa-concerto-authentication-bypass-rce)
- [CISA-ADP](https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-34026)
- [CISA-ADP](https://security-portal.versa-networks.com/emailbulletins/6830f94328defa375486ff2e)

## Exploitation Prediction (EPSS)

- **EPSS Score:** 81.94%
- **EPSS Percentile:** 99.6

## Known Exploited Vulnerabilities (KEV)

- **Date Added:** Jan 22, 2026
- **Due Date:** Feb 12, 2026

---
_Exported from OnDuty AI Vulnerability Intelligence on 2026-09-11._