# CVE-2025-34026: Versa Concerto Actuator Authentication Bypass Information Leak

> CVE-2025-34026: Versa Concerto Actuator Authentication Bypass Information Leak. CVSS 7.5 (CVSS 3.1), in CISA KEV.

Canonical: https://rewindex.com/cve/CVE-2025-34026
Last updated: 2026-06-17T09:13:19Z

- Published: 2025-05-21 22:04 UTC · Updated: 2026-06-17 09:13 UTC · Assigner: VulnCheck
- CVSS: 7.5 (CVSS 3.1) · Severity: High · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
- EPSS: 81.8%, 100th percentile (scored 2026-10-25)
- CISA KEV: yes, added 2026-01-22, federal due date 2026-02-12, ransomware use: Unknown
- CWE: CWE-288

## 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.

## CISA required action

Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

## Affected vendors and products

- Versa: Concerto

## References

- [CVE record on cve.org](https://www.cve.org/CVERecord?id=CVE-2025-34026)
- [NVD entry](https://nvd.nist.gov/vuln/detail/CVE-2025-34026)
- [https://projectdiscovery.io/blog/versa-concerto-authentication-bypass-rce](https://projectdiscovery.io/blog/versa-concerto-authentication-bypass-rce)

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_Sources: CVE records from the CVE Program (cve.org). CVE® is a registered trademark of The MITRE Corporation. (https://www.cve.org/) This product uses data from the NVD API but is not endorsed or certified by the NVD. (https://nvd.nist.gov/) Known Exploited Vulnerabilities catalog from CISA. (https://www.cisa.gov/known-exploited-vulnerabilities-catalog) EPSS scores from FIRST (Exploit Prediction Scoring System). (https://www.first.org/epss/)_


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Canonical: https://rewindex.com/cve/CVE-2025-34026 · Markdown: https://rewindex.com/cve/CVE-2025-34026.md · JSON: https://rewindex.com/api/v1/cves/CVE-2025-34026 · Data licensed CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/) · Generated 2026-10-26T02:00:27.838Z