Vulnerability in Drupal Flag Attendance Field

CVE-2026-55809

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 class: Mass Assignment

EPSS: 0.004 (35.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.1 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-55809?
CVE-2026-55809 is a high-severity vulnerability in Drupal Flag Attendance Field, classified under Improperly Controlled Modification of Dynamically-Determined Object Attributes. CVSS score: 8.1/10. Published 2026-07-10.
How severe is CVE-2026-55809?
High severity. CVSS v3 base score is 8.1 out of 10.