# CVE-2025-31334: Security feature bypass in WinRAR

> Attackers can bypass Mark of the Web warnings via symbolic links to execute arbitrary code in WinRAR.

- **Severity:** Medium 6.8 (`CVSS:3.0/AV:N/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:H`)
- **Exploited in the wild:** Not known
- **Login needed:** An administrator
- **Attackable:** Over the internet
- **Victim action needed:** A user has to click or open something
- **Fix available:** No
- **Published:** 3 Apr 2025
- **Updated:** 3 Apr 2025
- **Also known as:** GHSA-2mpw-8427-rgcw

## What is CVE-2025-31334?

CVE-2025-31334 is a medium-severity vulnerability in RARLAB WinRAR, published on 3 Apr 2025. An attacker needs administrator access to exploit it, and only if a user opens a file or follows a link.

### Official description

Issue that bypasses the "Mark of the Web" security warning function for files when opening a symbolic link that points to an executable file exists in WinRAR versions prior to 7.11. If a symbolic link specially crafted by an attacker is opened on the affected product, arbitrary code may be executed.

Weakness: CWE-356 (Missing User Interaction for Potentially Unsafe Action)

## Which versions are affected by CVE-2025-31334?

It affects 1 product.


Products: Rarlab Winrar.

## How do I fix CVE-2025-31334?

No fix has been published for CVE-2025-31334 yet. Limit exposure of the affected software until one is available.

## Is CVE-2025-31334 being exploited?

There is no known exploitation of CVE-2025-31334 in the wild and no public exploit code.

## Other vulnerabilities in RARLAB WinRAR

- [CVE-2025-6218](https://insights.sbomify.com/CVE-2025-6218/): RARLAB WinRAR Path Traversal (high 7.8, exploited in the wild)
- [CVE-2023-38831](https://insights.sbomify.com/CVE-2023-38831/): RARLAB WinRAR Code Execution (high 7.8, exploited in the wild)
- [CVE-2018-20250](https://insights.sbomify.com/CVE-2018-20250/): WinRAR Absolute Path Traversal (high 7.8, exploited in the wild)
- [CVE-2008-7144](https://insights.sbomify.com/CVE-2008-7144/): Memory corruption in n/a (critical 10.0)
- [CVE-2004-1254](https://insights.sbomify.com/CVE-2004-1254/): Integer overflow in n/a (critical 10.0)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2025-31334 and fix it if it is affected.

What it is: CVE-2025-31334 is a medium-severity vulnerability in RARLAB WinRAR, published on 3 Apr 2025. An attacker needs administrator access to exploit it, and only if a user opens a file or follows a link.
Exploitation: There is no known exploitation of CVE-2025-31334 in the wild and no public exploit code.

Affected product: RARLAB WinRAR. 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-2025-31334/ (Markdown: https://insights.sbomify.com/CVE-2025-31334/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2025-31334
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2025-31334
- OSV: https://osv.dev/vulnerability/CVE-2025-31334

---
From sbomify Insights: https://insights.sbomify.com/CVE-2025-31334/
Summaries are generated and may contain mistakes; the official description above is the record.