Medium severity · published May 19, 2026
CVE-2026-6366
Drupal core - Moderately critical - Gadget Chain - SA-CORE-2026-002
6.6
CVSS
0.4%
EPSS
No
On KEV
Description
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.
CVSS vector
CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
High
Privileges
High
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.4% · higher than 34% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
DR
Drupal · Drupal
8.0.0 before 10.5.9; 10.6.0 before 10.6.7; 11.0.0 before 11.2.11; 11.3.0 before 11.3.7 · source: vendor, NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-6366
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-6366
Vendor Advisory
https://www.drupal.org/sa-core-2026-002
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