CVE-2026-54479 EVoke Systems EVoke CSMS Insufficient Session Expiration
Attackers can hijack sessions or cause denial of service in EVoke CSMS due to predictable WebSocket session identifiers.
- 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-2026-54479?
CVE-2026-54479 is a medium-severity authentication bypass 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
The WebSocket backend uses charging station identifiers to uniquely associate sessions but allows multiple endpoints to connect using the same session identifier. This implementation results in predictable session identifiers. This vulnerability may allow unauthorized users to authenticate as other users or enable a malicious actor to cause a denial-of-service condition by overwhelming the backend with valid session requests.
Weakness: CWE-613
Which versions are affected by CVE-2026-54479?
How do I fix CVE-2026-54479?
No fix has been published for CVE-2026-54479 yet. Limit exposure of the affected software until one is available.
Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.
Is CVE-2026-54479 being exploited?
There is no known exploitation of CVE-2026-54479 in the wild and no public exploit code.
Sources
Also known as GHSA-79m4-gx9c-j55f.