# CVE-2026-8491: Node View Permissions - Moderately critical - Access bypass - SA-CONTRIB-2026-034

> Attackers can bypass access controls to view restricted content in the Drupal Node View Permissions module.

- **Severity:** Low 3.7 (`CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** Yes
- **Published:** 19 May 2026
- **Updated:** 20 May 2026
- **Also known as:** DRUPAL-CONTRIB-2026-034, GHSA-xrm3-543w-4g3q

## What is CVE-2026-8491?

CVE-2026-8491 is a low-severity missing authorization vulnerability in Drupal Node View Permissions, published on 19 May 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

### Official description

Improper Check for Unusual or Exceptional Conditions vulnerability in Drupal Node View Permissions allows Forceful Browsing.

This issue affects Node View Permissions: from 0.0.0 before 1.7.0, from 2.0.0 before 2.0.1.

Weakness: CWE-754 (Improper Check for Unusual or Exceptional Conditions)

## Which versions are affected by CVE-2026-8491?

It affects 1 product.


| Package | Ecosystem | Affected | Fixed in |
| --- | --- | --- | --- |
| `drupal/node_view_permissions` | Packagist:https://packages.drupal.org/8 | All versions | 1.7.0, 2.0.1 |

Products: Adcisolutions Node View Permissions.

## How do I fix CVE-2026-8491?

Upgrade to a fixed version.

## Is CVE-2026-8491 being exploited?

There is no known exploitation of CVE-2026-8491 in the wild and no public exploit code.

## Other vulnerabilities in Drupal Node View Permissions

- [CVE-2013-5965](https://insights.sbomify.com/CVE-2013-5965/): Information disclosure in n/a (medium 5.0)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2026-8491 and fix it if it is affected.

What it is: CVE-2026-8491 is a low-severity missing authorization vulnerability in Drupal Node View Permissions, published on 19 May 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2026-8491 in the wild and no public exploit code.

Affected product: Drupal Node View Permissions. 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-2026-8491/ (Markdown: https://insights.sbomify.com/CVE-2026-8491/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2026-8491
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-8491
- OSV: https://osv.dev/vulnerability/CVE-2026-8491

---
From sbomify Insights: https://insights.sbomify.com/CVE-2026-8491/
Summaries are generated and may contain mistakes; the official description above is the record.