CVE-2025-34026
Versa Concerto Actuator Authentication Bypass Information Leak
Basic Information
- CVE State
- PUBLISHED
- Reserved Date
- April 15, 2025
- Published Date
- May 21, 2025
- Last Updated
- January 23, 2026
- Vendor
- Versa
- Product
- Concerto
- 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.
- Tags
- Exploitation
- active
- Automatable
- Yes
- Technical Impact
- partial
- Exploited in the Wild
- Yes (2026-06-01 10:49:32 UTC) Source
cisa
nuclei_scanner
CVSS Scores
CVSS v4.0
9.2 - CRITICAL
Vector: 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
SSVC Information
Exploit Status
Known Exploited Vulnerability Information
| Source | Added Date |
|---|---|
| CVE | 2026-06-01 10:49:32 UTC |
Scanner Integrations
| Scanner | URL | Date Detected |
|---|---|---|
| Nuclei | https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2025/CVE-2025-34026.yaml | 2026-06-01 15:34:41 UTC |
Timeline
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CVE ID Reserved
-
CVE Published to Public
-
Added to KEVIntel
-
Detected by Nuclei