CVE-2026-55809: flag attendance — Fix

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.

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CVSS v3.1 Score

8.1

HIGH

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N

EPSS — Exploit Prediction

0.0031

Probability of exploitation

0.23%

Percentile rank

EPSS estimates the probability that this vulnerability will be exploited in the wild within the next 30 days. A higher score means more likely to be exploited.

Weakness Type (CWE)

CWE-915 CWE-915

Affected Products

Vendor	Product	Versions
flag_attendance_field_project	flag_attendance_field	< 1.2

References

Advisories & Patches

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

Frequently Asked Questions

What is 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. It has a CVSS v3.1 base score of 8.1 (HIGH).

How severe is CVE-2026-55809? +

CVE-2026-55809 has a CVSS v3.1 score of 8.1 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching. The EPSS score is 0.0031, placing it in the 0th percentile for exploitation probability.

What products are affected by CVE-2026-55809? +

CVE-2026-55809 affects products from flag_attendance_field_project, specifically: flag_attendance_field. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2026-55809? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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