# CVE-2023-31250: Drupal core - Moderately critical - Access bypass - SA-CORE-2023-005

> Attackers can bypass access controls to read private files due to insufficient path sanitization in Drupal core's file download facility.

- **Severity:** Medium 6.5 (`CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N`)
- **Exploited in the wild:** Not known
- **Login needed:** Any signed-in user
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** Yes
- **Published:** 26 Apr 2023
- **Updated:** 3 Feb 2025
- **Also known as:** BIT-drupal-2023-31250, DRUPAL-CORE-2023-005, GHSA-8849-cv9f-vccm, UBUNTU-CVE-2023-31250

## What is CVE-2023-31250?

CVE-2023-31250 is a medium-severity path traversal vulnerability in Drupal Drupal, published on 26 Apr 2023. Any signed-in user can exploit it over the network, with no action from the victim.

### Official description

The file download facility doesn't sufficiently sanitize file paths in certain situations. This may result in users gaining access to private files that they should not have access to. Some sites may require configuration changes following this security release. Review the release notes for your Drupal version if you have issues accessing private files after updating.

Weakness: CWE-863 (Incorrect Authorization)

## Which versions are affected by CVE-2023-31250?

10 open source packages ship an affected version, including drupal/core and drupal. It affects 1 product.


| Package | Ecosystem | Affected | Fixed in |
| --- | --- | --- | --- |
| `drupal/core` | Packagist | From 10.0.0 | 10.0.8 |
| `drupal/core` | Packagist | From 10.0.0 | 10.0.8 |
| `drupal/core` | Packagist | From 7.0.0 | 7.96 |
| `drupal/core` | Packagist | From 7.0.0 | 7.96 |
| `drupal/core` | Packagist | From 8.0.0 | 9.4.14, 9.5.8, 10.0.8 |
| `drupal/core` | Packagist | From 9.0.0 | 9.4.14 |
| `drupal/core` | Packagist | From 9.0.0 | 9.4.14 |
| `drupal/core` | Packagist | From 9.5.0 | 9.5.8 |
| `drupal/core` | Packagist | From 9.5.0 | 9.5.8 |
| `drupal` | Bitnami | From 7.0.0 | 7.96.0, 9.4.14, 9.5.8, 10.0.8 |

Products: Drupal Drupal.

## How do I fix CVE-2023-31250?

Upgrade drupal/core to a fixed version for your release line: 10.0.8, 7.96, 9.4.14 or 9.5.8.

## Is CVE-2023-31250 being exploited?

There is no known exploitation of CVE-2023-31250 in the wild and no public exploit code.

## Other vulnerabilities in Drupal Drupal

- [CVE-2026-9082](https://insights.sbomify.com/CVE-2026-9082/): Drupal Core SQL Injection (critical 9.8, exploited in the wild)
- [CVE-2020-13671](https://insights.sbomify.com/CVE-2020-13671/): Drupal core Un-restricted Upload of File (high 8.8, exploited in the wild)
- [CVE-2019-6340](https://insights.sbomify.com/CVE-2019-6340/): Drupal Core Remote Code Execution (high 8.1, exploited in the wild)
- [CVE-2009-3352](https://insights.sbomify.com/CVE-2009-3352/): Other in n/a (critical 10.0)
- [CVE-2024-55636](https://insights.sbomify.com/CVE-2024-55636/): Drupal core - Less critical - Gadget chain - SA-CORE-2024-006 (critical 9.8)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2023-31250 and fix it if it is affected.

What it is: CVE-2023-31250 is a medium-severity path traversal vulnerability in Drupal Drupal, published on 26 Apr 2023. Any signed-in user can exploit it over the network, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2023-31250 in the wild and no public exploit code.

Affected packages and fixed versions:
- drupal/core (Packagist): affected from 10.0.0; fixed in 10.0.8
- drupal/core (Packagist): affected from 10.0.0; fixed in 10.0.8
- drupal/core (Packagist): affected from 7.0.0; fixed in 7.96
- drupal/core (Packagist): affected from 7.0.0; fixed in 7.96
- drupal/core (Packagist): affected from 8.0.0; fixed in 9.4.14, 9.5.8, 10.0.8
- drupal/core (Packagist): affected from 9.0.0; fixed in 9.4.14
- drupal/core (Packagist): affected from 9.0.0; fixed in 9.4.14
- drupal/core (Packagist): affected from 9.5.0; fixed in 9.5.8
- drupal/core (Packagist): affected from 9.5.0; fixed in 9.5.8
- drupal (Bitnami): affected from 7.0.0; fixed in 7.96.0, 9.4.14, 9.5.8, 10.0.8

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-2023-31250/ (Markdown: https://insights.sbomify.com/CVE-2023-31250/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2023-31250
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2023-31250
- OSV: https://osv.dev/vulnerability/CVE-2023-31250

---
From sbomify Insights: https://insights.sbomify.com/CVE-2023-31250/
Summaries are generated and may contain mistakes; the official description above is the record.