Drupal Patches Critical Remote Code Execution Vulnerability (CVE-2026-108097)
On October 14, 2026, the Drupal Security Team released urgent security updates to address a critical remote code execution (RCE) vulnerability, tracked as CVE-2026-108097, affecting the Field UI module in Drupal core. The flaw, rated 19/25 under Drupal’s risk scoring system, could allow unauthenticated attackers to compromise affected websites, exposing or altering sensitive data.
While Drupal core alone does not provide a direct exploit path, the security team confirmed that contributed modules third-party extensions that expand Drupal’s functionality create viable attack vectors. At least one known exploit requires no authentication, meaning attackers could exploit the flaw without valid credentials. Custom website code may also introduce additional risks, making exposure assessment dependent on installed modules rather than Drupal version alone.
The advisory (SA-CORE-2026-014) describes exploitation as theoretical, with no public proof-of-concept code or active attacks reported. However, the confirmed attack paths underscore the severity of the issue. The vulnerability affects multiple Drupal versions, including:
- 10.6.x (before 10.6.19)
- 11.3.x (before 11.3.19)
- 11.4.x (before 11.4.10)
- Drupal 12 development releases (12.0.0-alpha1 to 12.0.0-beta1)
Drupal 8.x, 9.x, 10.5.x and earlier, and 11.2.x and earlier are no longer supported and will not receive patches.
To mitigate the risk, administrators are advised to upgrade to the latest secure versions (10.6.19, 11.3.19, or 11.4.10) or uninstall the Field UI module as a temporary measure. While Drupal Steward (a network-level protection service) blocks some attack paths, it does not provide complete coverage, and updates remain the primary defense.
The advisory follows prior Drupal security concerns, though this vulnerability is distinct from earlier flaws, such as a separate SQL injection issue. Organizations maintaining multiple Drupal installations should verify all deployments, as the broad version range increases potential exposure.
Source: https://cybersecuritynews.com/drupal-rce-vulnerability/
Drupal Security Team cybersecurity rating report: https://www.rankiteo.com/company/drupal-security-team
"id": "DRU1792441432",
"linkid": "drupal-security-team",
"type": "Vulnerability",
"date": "10/2026",
"severity": "85",
"impact": "4",
"explanation": "Attack with significant impact with customers data leaks"{'affected_entities': [{'customers_affected': 'Organizations using Drupal '
'10.6.x, 11.3.x, 11.4.x, or '
'Drupal 12 development releases '
'with the Field UI module',
'industry': 'Technology',
'name': 'Drupal',
'type': 'Software/CMS Provider'}],
'attack_vector': 'Unauthenticated exploitation via contributed modules or '
'custom code',
'data_breach': {'sensitivity_of_data': 'High (potential for exposure or '
'alteration)',
'type_of_data_compromised': 'Sensitive data (unspecified)'},
'date_detected': '2026-10-14',
'date_publicly_disclosed': '2026-10-14',
'description': 'On October 14, 2026, the Drupal Security Team released urgent '
'security updates to address a critical remote code execution '
'(RCE) vulnerability, tracked as CVE-2026-108097, affecting '
'the Field UI module in Drupal core. The flaw could allow '
'unauthenticated attackers to compromise affected websites, '
'exposing or altering sensitive data. The vulnerability is '
'rated 19/25 under Drupal’s risk scoring system and is '
'exacerbated by contributed modules or custom code.',
'impact': {'data_compromised': 'Sensitive data exposure or alteration',
'systems_affected': 'Drupal websites using affected versions and '
'the Field UI module'},
'investigation_status': 'Theoretical exploitation confirmed; no active '
'attacks reported',
'post_incident_analysis': {'corrective_actions': 'Patch management and module '
'assessment for Drupal '
'installations',
'root_causes': 'Vulnerability in the Field UI '
'module of Drupal core, exacerbated '
'by contributed modules or custom '
'code'},
'recommendations': 'Upgrade to the latest secure versions of Drupal (10.6.19, '
'11.3.19, or 11.4.10) or uninstall the Field UI module as '
'a temporary measure. Verify all Drupal deployments for '
'exposure.',
'references': [{'date_accessed': '2026-10-14',
'source': 'Drupal Security Advisory'}],
'response': {'communication_strategy': 'Public advisory (SA-CORE-2026-014) '
'released by Drupal Security Team',
'containment_measures': 'Upgrade to patched versions (10.6.19, '
'11.3.19, or 11.4.10) or uninstall the '
'Field UI module',
'remediation_measures': 'Apply security updates to affected '
'Drupal versions'},
'stakeholder_advisories': 'Drupal Security Team advisory (SA-CORE-2026-014)',
'title': 'Drupal Patches Critical Remote Code Execution Vulnerability '
'(CVE-2026-108097)',
'type': 'Remote Code Execution (RCE)',
'vulnerability_exploited': 'CVE-2026-108097 (Field UI module in Drupal core)'}