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

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

- **Severity:** High 7.1 (`CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N`)
- **Exploited in the wild:** Not known
- **Login needed:** Any signed-in user
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 15 Jun 2026
- **Updated:** 15 Jun 2026
- **Also known as:** GHSA-qcqj-3f78-3wfq

## 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 (Relative Path Traversal)

## 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.

## Is CVE-2026-34026 being exploited?

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

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2026-34026 and fix it if it is affected.

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

Affected product: Wertheim SafeController Software for VAULT ROOMS (Safe Deposit Locker System). No package-level version data is available, so check the vendor advisory linked from the reference page.

Task:
1. Search the dependency manifests and lockfiles (for example package.json, package-lock.json, requirements.txt, poetry.lock, uv.lock, pom.xml, build.gradle, go.mod, Cargo.lock, Gemfile.lock) and any Dockerfiles for the affected packages, including transitive dependencies.
2. If an affected version is in use, upgrade it to the fixed version for its release line with the project's package manager, so the lockfile is regenerated. Prefer the smallest upgrade that fixes it.
3. If there is no fix, or the upgrade would break the build, do not guess: explain the risk and the safest workaround instead.
4. Run the tests and summarise what changed and why.
5. If nothing in the project is affected, say so and change nothing.

Reference: https://insights.sbomify.com/CVE-2026-34026/ (Markdown: https://insights.sbomify.com/CVE-2026-34026/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2026-34026
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-34026
- OSV: https://osv.dev/vulnerability/CVE-2026-34026

---
From sbomify Insights: https://insights.sbomify.com/CVE-2026-34026/
Summaries are generated and may contain mistakes; the official description above is the record.