# CVE-2022-4778: path traversal in elvexys StreamX using StreamView HTML component with public web server feature

> Authenticated users can read arbitrary files on the server via path traversal in the StreamView HTML component when the public web server feature is enabled.

- **Severity:** Medium 6.5 (`CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A: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:** 28 Dec 2022
- **Updated:** 9 Apr 2025
- **Also known as:** GHSA-f6gm-jc8c-7qrm

## What is CVE-2022-4778?

CVE-2022-4778 is a medium-severity path traversal vulnerability in elvexys StreamX, published on 28 Dec 2022. Any signed-in user can exploit it over the network, with no action from the victim.

### Official description

StreamX applications from versions 6.02.01 to 6.04.34 are affected by a path traversal vulnerability that allows authenticated users to get unauthorized access to files on the server's filesystem.
StreamX applications using StreamView HTML component with the public web server feature activated are affected.

Weakness: CWE-22 (Improper Limitation of a Pathname to a Restricted Directory)

## Which versions are affected by CVE-2022-4778?

It affects 1 product.


Products: Elvexys Streamx.

## How do I fix CVE-2022-4778?

No fix has been published for CVE-2022-4778 yet. Limit exposure of the affected software until one is available.

## Is CVE-2022-4778 being exploited?

There is no known exploitation of CVE-2022-4778 in the wild and no public exploit code.

## Other vulnerabilities in elvexys StreamX

- [CVE-2022-4779](https://insights.sbomify.com/CVE-2022-4779/): authentication bypass in elvexys StreamX using StreamView HTML component with public web server feature (high 7.5)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2022-4778 and fix it if it is affected.

What it is: CVE-2022-4778 is a medium-severity path traversal vulnerability in elvexys StreamX, published on 28 Dec 2022. Any signed-in user can exploit it over the network, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2022-4778 in the wild and no public exploit code.

Affected product: elvexys StreamX. 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-2022-4778/ (Markdown: https://insights.sbomify.com/CVE-2022-4778/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2022-4778
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2022-4778
- OSV: https://osv.dev/vulnerability/CVE-2022-4778

---
From sbomify Insights: https://insights.sbomify.com/CVE-2022-4778/
Summaries are generated and may contain mistakes; the official description above is the record.