# CVE-2026-76576: yangzongzhuan RuoYi-Vue Common Download Endpoint CommonController.java resourceDownload path traversal

> Remote attackers can exploit a path traversal flaw in the download 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:N/VA:N/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:** 19 Aug 2026
- **Updated:** 21 Aug 2026
- **Also known as:** GHSA-7jpm-353p-cprm

## What is CVE-2026-76576?

CVE-2026-76576 is a medium-severity path traversal vulnerability in yangzongzhuan RuoYi-Vue, published on 19 Aug 2026. Any signed-in user can exploit it over the network, with no action from the victim.

### Official description

A vulnerability was found in yangzongzhuan RuoYi-Vue up to 3.9.2. This impacts the function fileDownload/resourceDownload of the file ruoyi-admin/src/main/java/com/ruoyi/web/controller/common/CommonController.java of the component Common Download Endpoint. Performing a manipulation of the argument fileName/resource results in path traversal. It is possible to initiate the attack remotely. The exploit has been made public and could be used. The project was informed of the problem early through an issue report but has not responded yet.

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

## Which versions are affected by CVE-2026-76576?


## How do I fix CVE-2026-76576?

No fix has been published for CVE-2026-76576 yet. Limit exposure of the affected software until one is available.

## Is CVE-2026-76576 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-76576 exists.

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2026-76576 and fix it if it is affected.

What it is: CVE-2026-76576 is a medium-severity path traversal vulnerability in yangzongzhuan RuoYi-Vue, published on 19 Aug 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Exploitation: It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-76576 exists.

Affected product: yangzongzhuan RuoYi-Vue. 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-2026-76576/ (Markdown: https://insights.sbomify.com/CVE-2026-76576/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2026-76576
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-76576
- OSV: https://osv.dev/vulnerability/CVE-2026-76576

---
From sbomify Insights: https://insights.sbomify.com/CVE-2026-76576/
Summaries are generated and may contain mistakes; the official description above is the record.
