# CVE-2026-73234: Path traversal in FreeCAD

> Attackers can write arbitrary files via crafted archives in FreeCAD, potentially leading to code execution or privilege escalation.

- **Severity:** High 7.8 (`CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Local or same network only
- **Victim action needed:** A user has to click or open something
- **Fix available:** Yes
- **Published:** 11 Aug 2026
- **Updated:** 13 Aug 2026
- **Also known as:** DEBIAN-CVE-2026-73234, GHSA-5vqh-3v38-jw2r, UBUNTU-CVE-2026-73234

## What is CVE-2026-73234?

CVE-2026-73234 is a high-severity path traversal vulnerability in FreeCAD, published on 11 Aug 2026. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.

### Official description

FreeCAD is a free and open-source multiplatform 3D parametric modeler. Prior to 1.1.2, PropertyFileIncluded::Restore() in src/App/PropertyFile.cpp concatenates an attacker-controlled file or data attribute from Document.xml with the document transient path without rejecting directory components, absolute paths, or parent traversal. A crafted .FCStd archive with a matching FileIncluded XML attribute and ZIP entry can therefore write attacker-controlled content to arbitrary locations accessible to the FreeCAD user, potentially enabling persistence, credential compromise, configuration replacement, or code execution. This issue is fixed in version 1.1.2.

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

## Which versions are affected by CVE-2026-73234?


## How do I fix CVE-2026-73234?

Upgrade to a fixed version.

## Is CVE-2026-73234 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-73234 exists.

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2026-73234 and fix it if it is affected.

What it is: CVE-2026-73234 is a high-severity path traversal vulnerability in FreeCAD, published on 11 Aug 2026. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.
Exploitation: It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-73234 exists.

Affected product: FreeCAD. 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-2026-73234/ (Markdown: https://insights.sbomify.com/CVE-2026-73234/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2026-73234
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-73234
- OSV: https://osv.dev/vulnerability/CVE-2026-73234

---
From sbomify Insights: https://insights.sbomify.com/CVE-2026-73234/
Summaries are generated and may contain mistakes; the official description above is the record.