# CVE-2025-10777: JSC R7 R7-Office Document Server downloadas path traversal

> Remote attackers can exploit a path traversal flaw in the downloadas endpoint to read arbitrary files from the server.

- **Severity:** Medium 5.3 (`CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P`)
- **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:** 22 Sep 2025
- **Updated:** 22 Sep 2025
- **Also known as:** GHSA-7v7c-mgwc-64fc

## What is CVE-2025-10777?

CVE-2025-10777 is a medium-severity path traversal vulnerability in JSC R7 R7-Office Document Server, published on 22 Sep 2025. Any signed-in user can exploit it over the network, with no action from the victim.

### Official description

A flaw has been found in JSC R7 R7-Office Document Server up to 20250820. Impacted is an unknown function of the file /downloadas/. Executing manipulation of the argument cmd can lead to path traversal. The attack can be launched remotely. Upgrading to version 2025.3.1.923 is recommended to address this issue. The affected component should be upgraded. R7-Office is a fork of OpenOffice and at the moment it remains unclear if OpenOffice is affected as well. The OpenOffice team was not able to reproduce the issue in their codebase. The vendor replied: "We confirm that this vulnerability has been verified and patched in release 2025.3.1.923. During our security testing, it was not possible to exploit the issue - the server consistently returns proper error responses to the provided scenarios."

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

## Which versions are affected by CVE-2025-10777?


## How do I fix CVE-2025-10777?

No fix has been published for CVE-2025-10777 yet. Limit exposure of the affected software until one is available.

## Is CVE-2025-10777 being exploited?

There is no known exploitation of CVE-2025-10777 in the wild and no public exploit code.

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2025-10777 and fix it if it is affected.

What it is: CVE-2025-10777 is a medium-severity path traversal vulnerability in JSC R7 R7-Office Document Server, published on 22 Sep 2025. Any signed-in user can exploit it over the network, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2025-10777 in the wild and no public exploit code.

Affected product: JSC R7 R7-Office Document Server. 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-2025-10777/ (Markdown: https://insights.sbomify.com/CVE-2025-10777/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2025-10777
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2025-10777
- OSV: https://osv.dev/vulnerability/CVE-2025-10777

---
From sbomify Insights: https://insights.sbomify.com/CVE-2025-10777/
Summaries are generated and may contain mistakes; the official description above is the record.