Drupal core Un-restricted Upload of File

Improper sanitization in the extension file names is present in Drupal core.

Published 9 Sep 2026Updated 9 Sep 202613 sources
CVSS 0.0 PoC CANDIDATE△ CISA KEV

What happened

Improper sanitization in the extension file names is present in Drupal core.

Affected versions

Drupal core: See original advisory Fixed: See vendor advisory.

Why it matters

This source correlation may provide earlier visibility while structured CVE metadata is still being updated.

Detection & mitigation

  • Review the original advisory and validate affected versions.
  • Apply vendor-provided updates or mitigations when available.

Public PoC references