CVE-2026-34023 Broken WebSocket authorization in Wertheim SafeController Software allows cross-branch access to restricted functions
Authenticated low-privileged users can access restricted functions in other branches by manipulating WebSocket messages, enabling unauthorized box activation.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-34023?
CVE-2026-34023 is a high-severity missing authorization vulnerability in Wertheim SafeController Software for VAULT ROOMS (Safe Deposit Locker System), published on 15 Jun 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
The Wertheim SafeController Software, AssemblyVersion 6.15.8328.28014, contains an incorrect authorization vulnerability in the WebSocket communication used by the SafeController WebMessageBroker. An authenticated attacker with valid low-privileged branch user credentials can manipulate WebSocket messages by specifying controller identifiers belonging to other branches. This allows the attacker to access restricted functions and resources in other branches, including activating boxes outside of the user's authorized branch.
Weakness: CWE-863
Which versions are affected by CVE-2026-34023?
How do I fix CVE-2026-34023?
No fix has been published for CVE-2026-34023 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-2026-34023 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-34023 exists.
Sources
Also known as GHSA-v4rm-3378-9vff.