CVE-2026-34026 Path traversal in Wertheim SafeController Software allows authenticated users to download arbitrary files

High 7.1 Published Updated

Authenticated attackers can exploit a path traversal flaw in Wertheim SafeController to download arbitrary files, including sensitive logs and binaries.

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-2026-34026?

CVE-2026-34026 is a high-severity path traversal 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

Wertheim SafeController Software, AssemblyVersion 6.15.8328.28014, contains a path traversal vulnerability in the documentName parameter of the /safe/selfservice/openselfservicedocument endpoint. The application constructs a file path using attacker-controlled input without sufficient validation, allowing an authenticated attacker with any role or permission level to traverse out of the intended document directory and download arbitrary files accessible to the application. This includes, but is not limited to, application log files containing sensitive information and application binaries.

Weakness: CWE-23

Which versions are affected by CVE-2026-34026?

How do I fix CVE-2026-34026?

No fix has been published for CVE-2026-34026 yet. Limit exposure of the affected software until one is available.

Upgrade, and resolve every user-supplied path against an allowed base folder before opening it. More about Path traversal.

Is CVE-2026-34026 being exploited?

There is no known exploitation of CVE-2026-34026 in the wild and no public exploit code.

Sources

Also known as GHSA-qcqj-3f78-3wfq.

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