CVE-2026-40702 EVoke Systems EVoke CSMS Missing Authentication for Critical Function
Attackers can impersonate charging stations via unauthenticated WebSocket endpoints to access sensitive data and escalate privileges in EVoke CSMS.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-40702?
CVE-2026-40702 is a critical missing authorization vulnerability in EVoke CSMS, published on 25 Jun 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
WebSocket endpoints lack proper authentication mechanisms, enabling attackers to impersonate charging stations. As a result, attackers can exploit this weakness to gain unauthorized access to sensitive data or perform unauthorized actions. Given that no authentication is required, this can lead to privilege escalation and potentially compromise the security of the entire system.
Weakness: CWE-306
Which versions are affected by CVE-2026-40702?
How do I fix CVE-2026-40702?
No fix has been published for CVE-2026-40702 yet. Limit exposure of the affected software until one is available.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2026-40702 being exploited?
There is no known exploitation of CVE-2026-40702 in the wild and no public exploit code.
Sources
Also known as GHSA-v97x-26qp-3g45.