# CVE-2026-81158: Entity API - Moderately critical - Information disclosure - SA-CONTRIB-2026-113

> Attackers can access unauthorized data via forceful browsing due to incorrect authorization checks in the Drupal Entity API module.

- **Severity:** Medium 5.3 (`CVSS:3.1/AV:N/AC:L/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:** 2 Sep 2026
- **Updated:** 2 Sep 2026
- **Also known as:** DRUPAL-CONTRIB-2026-113, GHSA-3wf5-7hjw-48cg

## What is CVE-2026-81158?

CVE-2026-81158 is a medium-severity missing authorization vulnerability in Drupal Entity API, published on 2 Sep 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

### Official description

Incorrect Authorization vulnerability in Drupal Entity API allows Forceful Browsing. This issue affects Entity API versions: from 0.0.0 to 1.8.0.

Weakness: CWE-863 (Incorrect Authorization)

## Which versions are affected by CVE-2026-81158?

It affects 1 product.


| Package | Ecosystem | Affected | Fixed in |
| --- | --- | --- | --- |
| `drupal/entity` | Packagist:https://packages.drupal.org/8 | All versions | 1.8.0 |

Products: Entity Api Project Entity Api.

## How do I fix CVE-2026-81158?

Upgrade to a fixed version.

## Is CVE-2026-81158 being exploited?

There is no known exploitation of CVE-2026-81158 in the wild and no public exploit code.

## Other vulnerabilities in Drupal Entity API

- [CVE-2014-1398](https://insights.sbomify.com/CVE-2014-1398/): Missing authorization in n/a (medium 6.5)
- [CVE-2014-1399](https://insights.sbomify.com/CVE-2014-1399/): Missing authorization in n/a (medium 6.5)
- [CVE-2014-1400](https://insights.sbomify.com/CVE-2014-1400/): Missing authorization in n/a (medium 6.5)
- [CVE-2013-7391](https://insights.sbomify.com/CVE-2013-7391/): Missing authorization in n/a (medium 5.0)
- [CVE-2013-4273](https://insights.sbomify.com/CVE-2013-4273/): Missing authorization in n/a (medium 4.0)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2026-81158 and fix it if it is affected.

What it is: CVE-2026-81158 is a medium-severity missing authorization vulnerability in Drupal Entity API, published on 2 Sep 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-2026-81158 in the wild and no public exploit code.

Affected product: Drupal Entity API. 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-2026-81158/ (Markdown: https://insights.sbomify.com/CVE-2026-81158/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2026-81158
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-81158
- OSV: https://osv.dev/vulnerability/CVE-2026-81158

---
From sbomify Insights: https://insights.sbomify.com/CVE-2026-81158/
Summaries are generated and may contain mistakes; the official description above is the record.