CVE-2026-55803
1 advisory.
Packagist/drupal/core CVE-2026-55803: unknown, EPSS 0.35%
[SA-CORE-2019-003](https://www.drupal.org/sa-core-2019-003) added protection for fields that store serialized data to disallow direct writes via web services.
Action: Upgrade drupal/core to 10.5.12 or later.
composer require drupal/core:10.5.12composer require drupal/core:10.6.11composer require drupal/core:11.2.14composer require drupal/core:11.3.12composer require drupal/core:11.1.0composer require drupal/core:11.2.0Affected
| introduced | fixed | last affected |
|---|---|---|
| 0 | 10.5.12 | - |
| 10.6.0 | 10.6.11 | - |
| 11.2.0 | 11.2.14 | - |
| 11.3.0 | 11.3.12 | - |
| 11.0.0 | 11.1.0 | - |
| 11.1.0 | 11.2.0 | - |
Fixed versions
| 10.5.12 | 10.6.11 | 11.2.14 | 11.3.12 | 11.1.0 | 11.2.0 |
Sources
CVE-2026-55803 · published · modified · JSON