Vulnerability DatabaseCVE-2026-55807
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CVE-2026-55807
Published:June 17, 2026
Updated:June 21, 2026
The Media module comes with support for oEmbed. The oEmbed specification contains two discovery mechanisms, via "providers.json" and via URL discovery. The URL discovery code could be leveraged to trick Drupal into making server-side requests to any URL.
Affected Packages
drupal/core (PHP):
Affected version(s) >=11.3.0 <11.3.12
Fix Suggestion:
Update to version 11.3.12
drupal/core (PHP):
Affected version(s) >=10.5.0 <10.5.12
Fix Suggestion:
Update to version 10.5.12
drupal/core (PHP):
Affected version(s) >=11.2.0 <11.2.14
Fix Suggestion:
Update to version 11.2.14
drupal/core (PHP):
Affected version(s) >=10.6.0 <10.6.11
Fix Suggestion:
Update to version 10.6.11
Related Resources (1)
https://www.drupal.org/sa-core-2026-008
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CVSS v4
Base Score:
5.3
Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
LOW
User Interaction
NONE
Vulnerable System Confidentiality
LOW
Vulnerable System Integrity
NONE
Vulnerable System Availability
NONE
Subsequent System Confidentiality
LOW
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
5
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
CHANGED
Confidentiality
LOW
Integrity
NONE
Availability
NONE