Drupal core Arbitrary PHP code execution
The Drupal project uses the PEAR Archive_Tar library. The PEAR Archive_Tar library has released a security update that impacts Drupal. For more information please see: CVE-2020-28948 CVE-2020-28949
Multiple vulnerabilities are possible if Drupal is configured to allow .tar, .tar.gz, .bz2, or .tlz file uploads and processes them.
To mitigate this issue, prevent untrusted users from uploading .tar, .tar.gz, .bz2, or .tlz files.
Affected software
Click a technology to see all vulnerabilities affecting it.
| Platform | Package | Vulnerable versions | Fixed in |
|---|---|---|---|
| Composer package | drupal/core | >= 7.0.0, < 7.75, >= 8.0.0, < 8.8.12, >= 8.9.0, < 8.9.10, >= 9.0.0, < 9.0.9 | 7.75, 8.8.12, 8.9.10, 9.0.9 |
| Drupal (core) | drupal/core | >= 7.0.0, < 7.75, >= 8.0.0, < 8.8.12, >= 8.9.0, < 8.9.10, >= 9.0.0, < 9.0.9 | 7.75, 8.8.12, 8.9.10, 9.0.9 |
References
- CVSS vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H- Weakness (CWE)
CWE-94- Platform
- Composer, Drupal
- Package
drupal/core- Disclosed
- 15.05.2024
- Updated
- 11.10.2026 11:18
Sources and licenses
OSV / GitHub Advisory Database - GHSA-gxxj-g9v8-w28p - 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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