Auth bypass in Drupal Entity Reference Manager (Merge Entities)

CVE-2026-107251

Incorrect Authorization vulnerability in Drupal Entity Reference Manager (Merge entities) allows Forceful Browsing. This issue affects Entity Reference Manager (Merge entities) versions: from 0.0.0 to 1.0.3.

Vulnerability class: Broken Access Control

Published · last modified .

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N.

EPSS exploit prediction

EPSS: 0.002 (4.6th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 5th percentile — 4.6% 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)

References

Frequently asked questions

What is CVE-2026-107251?
CVE-2026-107251 is a medium-severity vulnerability in Drupal Entity Reference Manager (Merge Entities), classified under Incorrect Authorization. CVSS score: 6.5/10. Published 2026-10-30.
How severe is CVE-2026-107251?
Medium severity. CVSS v3 base score is 6.5 out of 10.