Vulnerability advisory

DRUPAL-CORE-2026-012

Published Jul 15, 2026Updated Jul 15, 2026OSV record ↗

Also known as CVE-2026-55805

Severity

Severity not reported.

Affected versions

drupal/core Packagist

Affected	Fixed in
All versions before 10.6.13	`10.6.13`Advisories →
`11.3.0` to before 11.3.14	`11.3.14`Advisories →
`11.4.0` to before 11.4.4	`11.4.4`Advisories →
`11.0.0` to before 11.1.0	`11.1.0`Advisories →
`11.1.0` to before 11.2.0	`11.2.0`Advisories →
`11.2.0` to before 11.3.0	`11.3.0`Advisories →
Also listed as affected (493) `10.0.0` `10.0.0-alpha1` `10.0.0-alpha2` `10.0.0-alpha3` `10.0.0-alpha4` `10.0.0-alpha5` `10.0.0-alpha6` `10.0.0-alpha7` `10.0.0-beta1` `10.0.0-beta2` `10.0.0-rc1` `10.0.0-rc2` `10.0.0-rc3` `10.0.1` `10.0.10` `10.0.11` `10.0.2` `10.0.3` `10.0.4` `10.0.5` `10.0.6` `10.0.7` `10.0.8` `10.0.9` `10.1.0` `10.1.0-alpha1` `10.1.0-beta1` `10.1.0-rc1` `10.1.1` `10.1.2` `10.1.3` `10.1.4` `10.1.5` `10.1.6` `10.1.7` `10.1.8` `10.2.0` `10.2.0-alpha1` `10.2.0-beta1` `10.2.0-rc1` `10.2.1` `10.2.10` `10.2.11` `10.2.12` `10.2.2` `10.2.3` `10.2.4` `10.2.5` `10.2.6` `10.2.7` `10.2.8` `10.2.9` `10.3.0` `10.3.0-beta1` `10.3.0-rc1` `10.3.1` `10.3.10` `10.3.11` `10.3.12` `10.3.13` `10.3.14` `10.3.2` `10.3.3` `10.3.4` `10.3.5` `10.3.6` `10.3.7` `10.3.8` `10.3.9` `10.4.0` `10.4.0-beta1` `10.4.0-rc1` `10.4.1` `10.4.10` `10.4.2` `10.4.3` `10.4.4` `10.4.5` `10.4.6` `10.4.7` `10.4.8` `10.4.9` `10.5.0` `10.5.0-beta1` `10.5.0-rc1` `10.5.1` `10.5.10` `10.5.11` `10.5.12` `10.5.2` `10.5.3` `10.5.4` `10.5.5` `10.5.6` `10.5.7` `10.5.8` `10.5.9` `10.6.0` `10.6.0-beta1` `10.6.0-rc1` `10.6.1` `10.6.10` `10.6.11` `10.6.12` `10.6.2` `10.6.3` `10.6.4` `10.6.5` `10.6.6` `10.6.7` `10.6.8` `10.6.9` `11.0.0` `11.0.1` `11.0.10` `11.0.11` `11.0.12` `11.0.13` `11.0.2` `11.0.3` `11.0.4` `11.0.5` `11.0.6` `11.0.7` `11.0.8` `11.0.9` `11.1.0` `11.1.0-beta1` `11.1.0-rc1` `11.1.1` `11.1.10` `11.1.2` `11.1.3` `11.1.4` `11.1.5` `11.1.6` `11.1.7` `11.1.8` `11.1.9` `11.2.0` `11.2.0-alpha1` `11.2.0-beta1` `11.2.0-rc1` `11.2.0-rc2` `11.2.1` `11.2.10` `11.2.11` `11.2.12` `11.2.13` `11.2.14` `11.2.2` `11.2.3` `11.2.4` `11.2.5` `11.2.6` `11.2.7` `11.2.8` `11.2.9` `11.3.0` `11.3.0-alpha1` `11.3.0-beta1` `11.3.0-rc1` `11.3.0-rc2` `11.3.1` `11.3.10` `11.3.11` `11.3.12` `11.3.13` `11.3.2` `11.3.3` `11.3.4` `11.3.5` `11.3.6` `11.3.7` `11.3.8` `11.3.9` `11.4.0` `11.4.1` `11.4.2` `11.4.3` `8.0.0` `8.0.0-beta10` `8.0.0-beta11` `8.0.0-beta12` `8.0.0-beta13` `8.0.0-beta14` `8.0.0-beta15` `8.0.0-beta16` `8.0.0-beta6` `8.0.0-beta7` `8.0.0-beta8` `8.0.0-beta9` `8.0.0-rc1` `8.0.0-rc2` `8.0.0-rc3` `8.0.0-rc4` `8.0.1` `8.0.2` `8.0.3` `8.0.4` `8.0.5` `8.0.6` `8.1.0` `8.1.0-beta1` `8.1.0-beta2` `8.1.0-rc1` `8.1.1` `8.1.10` `8.1.2` `8.1.3` `8.1.4` `8.1.5` `8.1.6` `8.1.7` `8.1.8` `8.1.9` `8.2.0` `8.2.0-beta1` `8.2.0-beta2` `8.2.0-beta3` `8.2.0-rc1` `8.2.0-rc2` `8.2.1` `8.2.2` `8.2.3` `8.2.4` `8.2.5` `8.2.6` `8.2.7` `8.2.8` `8.3.0` `8.3.0-alpha1` `8.3.0-beta1` `8.3.0-rc1` `8.3.0-rc2` `8.3.1` `8.3.2` `8.3.3` `8.3.4` `8.3.5` `8.3.6` `8.3.7` `8.3.8` `8.3.9` `8.4.0` `8.4.0-alpha1` `8.4.0-beta1` `8.4.0-rc1` `8.4.0-rc2` `8.4.1` `8.4.2` `8.4.3` `8.4.4` `8.4.5` `8.4.6` `8.4.7` `8.4.8` `8.5.0` `8.5.0-alpha1` `8.5.0-beta1` `8.5.0-rc1` `8.5.1` `8.5.10` `8.5.11` `8.5.12` `8.5.13` `8.5.14` `8.5.15` `8.5.2` `8.5.3` `8.5.4` `8.5.5` `8.5.6` `8.5.7` `8.5.8` `8.5.9` `8.6.0` `8.6.0-alpha1` `8.6.0-beta1` `8.6.0-beta2` `8.6.0-rc1` `8.6.1` `8.6.10` `8.6.11` `8.6.12` `8.6.13` `8.6.14` `8.6.15` `8.6.16` `8.6.17` `8.6.18` `8.6.2` `8.6.3` `8.6.4` `8.6.5` `8.6.6` `8.6.7` `8.6.8` `8.6.9` `8.7.0` `8.7.0-alpha1` `8.7.0-alpha2` `8.7.0-beta1` `8.7.0-beta2` `8.7.0-rc1` `8.7.1` `8.7.10` `8.7.11` `8.7.12` `8.7.13` `8.7.14` `8.7.2` `8.7.3` `8.7.4` `8.7.5` `8.7.6` `8.7.7` `8.7.8` `8.7.9` `8.8.0` `8.8.0-alpha1` `8.8.0-beta1` `8.8.0-rc1` `8.8.1` `8.8.10` `8.8.11` `8.8.12` `8.8.2` `8.8.3` `8.8.4` `8.8.5` `8.8.6` `8.8.7` `8.8.8` `8.8.9` `8.9.0` `8.9.0-beta1` `8.9.0-beta2` `8.9.0-beta3` `8.9.0-rc1` `8.9.1` `8.9.10` `8.9.11` `8.9.12` `8.9.13` `8.9.14` `8.9.15` `8.9.16` `8.9.17` `8.9.18` `8.9.19` `8.9.2` `8.9.20` `8.9.3` `8.9.4` `8.9.5` `8.9.6` `8.9.7` `8.9.8` `8.9.9` `9.0.0` `9.0.0-alpha1` `9.0.0-alpha2` `9.0.0-beta1` `9.0.0-beta2` `9.0.0-beta3` `9.0.0-rc1` `9.0.1` `9.0.10` `9.0.11` `9.0.12` `9.0.13` `9.0.14` `9.0.2` `9.0.3` `9.0.4` `9.0.5` `9.0.6` `9.0.7` `9.0.8` `9.0.9` `9.1.0` `9.1.0-alpha1` `9.1.0-beta1` `9.1.0-rc1` `9.1.0-rc2` `9.1.0-rc3` `9.1.1` `9.1.10` `9.1.11` `9.1.12` `9.1.13` `9.1.14` `9.1.15` `9.1.2` `9.1.3` `9.1.4` `9.1.5` `9.1.6` `9.1.7` `9.1.8` `9.1.9` `9.2.0` `9.2.0-alpha1` `9.2.0-beta1` `9.2.0-beta2` `9.2.0-beta3` `9.2.0-rc1` `9.2.1` `9.2.10` `9.2.11` `9.2.12` `9.2.13` `9.2.14` `9.2.15` `9.2.16` `9.2.17` `9.2.18` `9.2.19` `9.2.2` `9.2.20` `9.2.21` `9.2.3` `9.2.4` `9.2.5` `9.2.6` `9.2.7` `9.2.8` `9.2.9` `9.3.0` `9.3.0-alpha1` `9.3.0-beta1` `9.3.0-beta2` `9.3.0-beta3` `9.3.0-rc1` `9.3.1` `9.3.10` `9.3.11` `9.3.12` `9.3.13` `9.3.14` `9.3.15` `9.3.16` `9.3.17` `9.3.18` `9.3.19` `9.3.2` `9.3.20` `9.3.21` `9.3.22` `9.3.3` `9.3.4` `9.3.5` `9.3.6` `9.3.7` `9.3.8` `9.3.9` `9.4.0` `9.4.0-alpha1` `9.4.0-beta1` `9.4.0-rc1` `9.4.0-rc2` `9.4.1` `9.4.10` `9.4.11` `9.4.12` `9.4.13` `9.4.14` `9.4.15` `9.4.2` `9.4.3` `9.4.4` `9.4.5` `9.4.6` `9.4.7` `9.4.8` `9.4.9` `9.5.0` `9.5.0-beta1` `9.5.0-beta2` `9.5.0-rc1` `9.5.0-rc2` `9.5.1` `9.5.10` `9.5.11` `9.5.2` `9.5.3` `9.5.4` `9.5.5` `9.5.6` `9.5.7` `9.5.8` `9.5.9`

Description

The Layout Builder module doesn't sufficiently sanitize block labels in certain scenarios, which can lead to a cross-site scripting (XSS) vulnerability.

This is mitigated by the fact that both the attacker and the targeted user need to be using the Layout Builder editing interface.

References

Webwww.drupal.org/sa-core-2026-012 ↗