# CVE-2026-96391: Webform REST - Less critical - Access bypass - SA-CONTRIB-2026-186


- **Severity:** Not scored
- **Exploited in the wild:** Not known
- **Fix available:** Yes
- **Published:** 22 Oct 2026
- **Updated:** 22 Oct 2026
- **Also known as:** DRUPAL-CONTRIB-2026-186, GHSA-pp56-wg7c-j5hh

## What is CVE-2026-96391?

CVE-2026-96391 is a vulnerability in Drupal Webform REST, published on 22 Oct 2026. 

### Official description

Missing Authorization vulnerability in Drupal Webform REST allows Forceful Browsing. This issue affects Webform REST versions: from 0.0.0 to 4.2.1.

Weakness: CWE-862 (Missing Authorization)

## Which versions are affected by CVE-2026-96391?


| Package | Ecosystem | Affected | Fixed in |
| --- | --- | --- | --- |
| `drupal/webform_rest` | Packagist:https://packages.drupal.org/8 | All versions | 4.2.1 |

## How do I fix CVE-2026-96391?

Upgrade to a fixed version.

## Is CVE-2026-96391 being exploited?

There is no known exploitation of CVE-2026-96391 in the wild and no public exploit code.

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2026-96391 and fix it if it is affected.

What it is: CVE-2026-96391 is a vulnerability in Drupal Webform REST, published on 22 Oct 2026. 
Exploitation: There is no known exploitation of CVE-2026-96391 in the wild and no public exploit code.

Affected product: Drupal Webform REST. 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-2026-96391/ (Markdown: https://insights.sbomify.com/CVE-2026-96391/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2026-96391
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-96391
- OSV: https://osv.dev/vulnerability/CVE-2026-96391

---
From sbomify Insights: https://insights.sbomify.com/CVE-2026-96391/
Summaries are generated and may contain mistakes; the official description above is the record.