CVE-2026-55809

HIGH

Flag attendance field - Critical - PHP object injection - SA-CONTRIB-2026-049

Title source: cna

Description

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.

References (1)

Core 1

Core References

https://www.drupal.org/sa-contrib-2026-049

Scores

CVSS v3 8.1

EPSS 0.0017

EPSS Percentile 6.9%

Attack Vector NETWORK

CVSS:3.1/AV:N/AC:L/PR:L/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 (1)

Drupal/Flag attendance field 0.0.0 - 1.2

Published Jul 10, 2026

Tracked Since Jul 11, 2026