Assessment
Why it matters
EPSS is 0.4%; technical severity is CVSS 6.6.
Improperly Controlled Modification of Dynamically-Determined Object Attributes vulnerability in Drupal Drupal core allows Object Injection. This issue affects Drupal core: from 8.0.0 before 10.5.9, from 10.6.0 before 10.6.7, from 11.0.0 before 11.2.11, from 11.3.0 before 11.3.7.
Who should care
- Teams operating Drupal
- Vulnerability and exposure management teams
- Security operations teams monitoring exploitation activity
Response plan
What I would do
- Confirm whether Drupal is present in the environment.
- Identify affected versions and establish whether vulnerable services are exposed or reachable.
- Vendor advisory from www.drupal.org
- Review relevant security telemetry for evidence of attempted or successful exploitation.
- Document the remediation decision and track it to verified completion.
Treatment intelligence
Remediation intelligence
Vendor sources are listed before government and third-party guidance. Confirm product applicability and change prerequisites before deployment.
Verification noteAutomated link verification has not completed for this guidance yet.
Technical details
- CVSS vector
- CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H
- CWE
- CWE-915
- Affected versions
- Drupal Drupal (Start Including 8.0.0, End Excluding 10.5.9 | Start Including 10.6.0, End Excluding 10.6.7 | Start Including 11.0.0, End Excluding 11.2.11 | Start Including 11.3.0, End Excluding 11.3.7)
- Fixed versions
- Drupal Drupal (Fixed from 10.5.9, 10.6.7, 11.2.11, 11.3.7)
- Published
- 19 May 2026
- Attack vector
- Network
- Privileges required
- High
- User interaction
- None
Signal timeline
- CVE published
- Latest EPSS score: 0.4%
- Signal calculated at 11