Drupal core Access bypass
The Media Library module has a security vulnerability whereby it doesn't sufficiently restrict access to media items in certain configurations.
Solution: If you are using Drupal 8.7.x, you should upgrade to Drupal 8.7.11. If you are using Drupal 8.8.x, you should upgrade to Drupal 8.8.1. Versions of Drupal 8 prior to 8.7.x are end-of-life and do not receive security coverage.
Alternatively, you may mitigate this vulnerability by unchecking the "Enable advanced UI" checkbox on /admin/config/media/media-library. (This mitigation is not available in 8.7.x.)
Affected software
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| Platform | Package | Vulnerable versions | Fixed in |
|---|---|---|---|
| Composer package | drupal/core | >= 8.0.0, < 8.7.11, >= 8.8.0, < 8.8.1 | 8.7.11, 8.8.1 |
| Drupal (core) | drupal/core | >= 8.0.0, < 8.7.11, >= 8.8.0, < 8.8.1 | 8.7.11, 8.8.1 |
References
- CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N- Weakness (CWE)
-- Platform
- Composer, Drupal
- Package
drupal/core- Disclosed
- 15.05.2024
- Updated
- 11.10.2026 11:18
Sources and licenses
OSV / GitHub Advisory Database - GHSA-mh4h-27gq-cxwj - CC BY 4.0
Vulnerability history: drupal/core
All published vulnerabilities of this package (Composer package), newest first. Shows whether this is a one-off slip or a package that needs watching.
- Total entries
- 146
- First → latest
- 02.2018 09.2026
- Without a fix
- 3
- Exploited in attacks
- 5
Severity breakdown
- Critical 15
- High 40
- Medium 60
- Low 5
- Unrated 26
Disclosures per year
- 2018: 4
- 2019: 14
- 2020: 12
- 2021: 11
- 2022: 55
- 2023: 6
- 2024: 23
- 2025: 8
- 2026: 13
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