# CVE-2026-73102: RustDesk Path Traversal via macOS Clipboard File-Paste

> A remote peer can write files outside the intended directory via path traversal in RustDesk's macOS clipboard file-paste feature.

- **Severity:** Medium 6.9 (`CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:H/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:** A user has to click or open something
- **Fix available:** No
- **Published:** 26 Aug 2026
- **Updated:** 1 Oct 2026
- **Also known as:** GHSA-w982-6rqp-v5xg

## What is CVE-2026-73102?

CVE-2026-73102 is a medium-severity path traversal vulnerability in rustdesk, published on 26 Aug 2026. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.

### Official description

RustDesk versions 1.3.9 through 1.4.9 contain a path traversal vulnerability in the macOS clipboard file-paste code path. The application accepts peer-supplied file descriptor names and joins them to the selected target directory without requiring normalized relative paths. A remote peer in an active clipboard file-paste session can use parent-directory components or absolute paths to write files outside the intended target directory at locations writable by the RustDesk process. Commit 6f1eb16 fixes the issue by validating descriptor names and safely joining paths.

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

## Which versions are affected by CVE-2026-73102?


## How do I fix CVE-2026-73102?

No fix has been published for CVE-2026-73102 yet. Limit exposure of the affected software until one is available.

## Is CVE-2026-73102 being exploited?

There is no known exploitation of CVE-2026-73102 in the wild and no public exploit code.

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2026-73102 and fix it if it is affected.

What it is: CVE-2026-73102 is a medium-severity path traversal vulnerability in rustdesk, published on 26 Aug 2026. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.
Exploitation: There is no known exploitation of CVE-2026-73102 in the wild and no public exploit code.

Affected product: rustdesk. 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-2026-73102/ (Markdown: https://insights.sbomify.com/CVE-2026-73102/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2026-73102
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-73102
- OSV: https://osv.dev/vulnerability/CVE-2026-73102

---
From sbomify Insights: https://insights.sbomify.com/CVE-2026-73102/
Summaries are generated and may contain mistakes; the official description above is the record.