LowDRUPAL-CORE-2026-016CVE-2026-108514

DRUPAL-CORE-2026-016 in drupal/core

Published 14 Oct 2026 · Updated 17 Oct 2026

Affected package

Affected: >=10.3.0 <10.6.19 · >=11.0.0 <11.3.19 · >=11.4.0 <11.4.10 · >=12.0.0-alpha1 <12.0.0-beta2
Fixed in: 10.6.19, 11.3.19, 11.4.10, 12.0.0-beta2

Update to the fixed version for your release line, for example:composer require drupal/core:^12.0.0-beta2

Details

The Navigation module doesn't sufficiently sanitize certain attributes, which can lead to a cross-site scripting (XSS) vulnerability.

This vulnerability is mitigated by the fact that an attacker must have a role with permission to enter HTML tags containing specific data attributes, or the administer menu permission.

Is DRUPAL-CORE-2026-016 in any of your client repos?

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References

Linkwww.drupal.org/sa-core-2026-016

Advisory data from OSV.dev (opens OSV.dev in a new tab), refreshed daily.