CVE-2026-55809 in Drupal Flag attendance field
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.
Quick answer
Drupal Flag attendance field should be reviewed and updated if it matches the affected versions. The recommended fix is to apply the vendor-supported patched version or the mitigation steps below, then retest the public website with Fixnx.
Who is affected
Affected versions
- Drupal Flag attendance field <1.2
Fixed versions
- Drupal Flag attendance field 1.2 or later
How to fix it
Update Drupal Flag attendance field. The old Drupal module can allow unsafe access, script injection, or object injection.
- Update the Drupal module to Drupal Flag attendance field 1.2 or later.
- Run database updates if Drupal asks for them.
- Clear Drupal cache.
- Review module permissions.
Scan now. Google sign-in is only needed to unlock fix guidance.
Verify the fix
- Confirm Drupal lists the fixed module version.
- Scan again and confirm CVE-2026-55809 is gone.
Related categories
Trusted references
FAQ
What is affected by CVE-2026-55809?
Drupal Flag attendance field versions listed as affected should be reviewed: Drupal Flag attendance field <1.2.
What should I fix first?
Start with internet-facing sites, admin panels, login flows, plugins, themes, modules, packages, and systems that process user-controlled input or sensitive data.
How do I confirm the fix worked?
Apply the patched version or mitigation, clear caches where relevant, retest the affected workflow, and run a new Fixnx scan to verify public website exposure signals.
How are Fixnx security risk categories chosen?
Fixnx keeps one canonical risk page and assigns only broad, relevant categories such as ecosystem, technology area, or vulnerability class.