Drupal Flag Attendance Field <1.3: Improper Dynamic Obj Attr Mod (Obj Inj)
CVE-2026-55809 Published on July 10, 2026
Flag attendance field - Critical - PHP object injection - SA-CONTRIB-2026-049
Improperly Controlled Modification of Dynamically-Determined Object Attributes vulnerability in Drupal Flag attendance field allows Object Injection. This issue affects Flag attendance field versions: from 0.0.0 to 1.2.
Vulnerability Analysis
CVE-2026-55809 can be exploited with network access, and requires small amount of user privileges. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to have a high impact on confidentiality and integrity, and no impact on availability.
Weakness Type
What is a Mass Assignment Vulnerability?
The software receives input from an upstream component that specifies multiple attributes, properties, or fields that are to be initialized or updated in an object, but it does not properly control which attributes can be modified.
CVE-2026-55809 has been classified to as a Mass Assignment vulnerability or weakness.
Affected Versions
Drupal Flag attendance field:- Version 0.0.0 and below 1.2 is affected.