Drupal core - Moderately critical - Gadget Chain - SA-CORE-2026-002
Published May 19, 2026
6.6
MEDIUMCVSS 3.1
EPSS 0.42%
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.
Affected products
-
- Version 10.6.0StatusaffectedConstraints<10.6.7
- Version 11.0.0StatusaffectedConstraints<11.2.11
- Version 11.3.0StatusaffectedConstraints<11.3.7
- Version 8.0.0StatusaffectedConstraints<10.5.9
- Version
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
| Vendor | Product | Default status | Versions | |||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Drupal | Drupal core | unaffected |
|
No data.
No Red Hat product state for this CVE.
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H
No CVSS v3.0 score for this CVE.
No CVSS v2.0 score for this CVE.
This CVE is not in the KEV list.
CISA SSVC (Vulnrichment)
Stakeholder-Specific Vulnerability Categorization from CISA ADP.
Exploitation
NoneAutomatable
NoTechnical Impact
TotalDecision
n/aAssessed May 20, 2026 · SSVC 2.0.3
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 2, 2026.
Score over time
May–Oct 2026- EPSS v4
- EPSS v5
Percentile over time
- EPSS v4
- EPSS v5
Table of values (3 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 2, 2026 | 0.42% (0.00417) | 33.72th | v5 (v2026.06.15) |
| Jun 15, 2026 | 0.40% (0.00399) | 31.47th | v5 (v2026.06.15) |
| May 20, 2026 | 0.02% (0.00023) | 6.48th | v4 (v2025.03.14) |
References (3)
- https://github.com/advisories/GHSA-xmjc-63pr-2mpg Advisory
- https://nvd.nist.gov/vuln/detail/CVE-2026-6366
- https://www.drupal.org/sa-core-2026-002 Vendor Advisory
| Link | Providers | Tags |
|---|---|---|
| https://github.com/advisories/GHSA-xmjc-63pr-2mpg | Advisory | |
| https://nvd.nist.gov/vuln/detail/CVE-2026-6366 | ||
| https://www.drupal.org/sa-core-2026-002 | Vendor Advisory |
Change history (0)
No recorded changes yet.