Vulnerability in Drupal Core

CVE-2026-108097

Use of Externally-Controlled Input to Select Classes or Code ('Unsafe Reflection') vulnerability in Drupal Drupal core allows Reflection Injection. This issue affects Drupal core versions: from 8.9.0 to 10.6.19, from 11.0.0 to 11.3.19, from 11.4.0 to 11.4.10, from 12.0.0-alpha1 to 12.0.0-beta2.

Published · last modified .

EPSS exploit prediction

EPSS: 0.003 (25.7th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 26th percentile — 25.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

The 30-day trend appears once there are two daily scores.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2026-108097?
CVE-2026-108097 is a vulnerability in Drupal Core, classified under Use of Externally-Controlled Input to Select Classes or Code (Unsafe Reflection). Published 2026-10-30.
Is CVE-2026-108097 known to be exploited?
3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.