CVE-2026-55809

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

HIGH

8.1

CVSS Score

Published: July 10, 2026 at 09:44 PM UTC

Updated: October 25, 2026 at 03:10 PM UTC

1 product affected across 1 vendorFlag Attendance Field

Using Flag attendance field by Drupal?

Get instant alerts when new vulnerabilities affect Flag attendance field - before attackers find them.

Real-time alertsTrack your software stackFree plan available

Start Free Sign In

Severity

HIGH8.1

Exploit prediction

EPSS 0.4%

SSVC

No known exploit

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Flag Attendance Field · Flag Attendance Field Projectdrupal

95%

v < 1.20.0.0

Affected range stops below 1.2, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

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

References (1)

Vendor Advisory

Source: cverecord

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

SSVC — Action Prioritization

SSVCNo known exploitNot automatableTotal impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

8.1HIGHCISA-ADP

Attack Vector: NETWORK
Complexity: LOW
Privileges: LOW
User Interaction: NONE
Scope: UNCHANGED
Confidentiality: HIGH
Integrity: HIGH
Availability: NONE

Vector?

Quick Info

StatusANALYZED

CWE

CWE-915

Get alerted

Stop reading CVE feeds looking for your own stack

Track the products you run and VulnTracker tells you when a new CVE affects them — with what is known about fixing it, and nothing about the rest.

Create account Sign in

Free plan, no card