CVE-2026-55803

MEDIUM

Drupal core - Critical - PHP object injection - SA-CORE-2026-005

Title source: cna
STIX 2.1

Description

Improperly Controlled Modification of Dynamically-Determined Object Attributes vulnerability in Drupal Drupal core allows Object Injection. This issue affects Drupal core versions: from 0.0.0 to 10.5.12, from 10.6.0 to 10.6.11, from 11.2.0 to 11.2.14, from 11.3.0 to 11.3.12, from 0.0.0 to 11.0.*, from 0.0.0 to 11.1.*.

References (1)

Core 1

Scores

CVSS v3 5.9
EPSS 0.0016
EPSS Percentile 5.7%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:N

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact total

Details

CWE
CWE-915
Status published
Products (6)
Drupal/Drupal core 0.0.0 - 10.5.12
Drupal/Drupal core 0.0.0 - 11.0.*
Drupal/Drupal core 0.0.0 - 11.1.*
Drupal/Drupal core 10.6.0 - 10.6.11
Drupal/Drupal core 11.2.0 - 11.2.14
Drupal/Drupal core 11.3.0 - 11.3.12
Published Jul 10, 2026
Tracked Since Jul 11, 2026