What is CVE-2026-118539?

CVE-2026-118539 is a medium-severity vulnerability in Drupal Commerce Core, classified under Missing Authorization. CVSS score: 6.5/10. Published 2026-10-30.

How severe is CVE-2026-118539?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Auth bypass in Drupal Commerce Core

CVE-2026-118539

Missing Authorization vulnerability in Drupal Commerce Core allows Forceful Browsing. This issue affects Commerce Core versions: from 0.0.0 to 2.41, from 3.0.0 to 3.3.13.

Vulnerability class: Broken Access Control

Published 2026-10-30 · last modified 2026-10-31.

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 (12.8th percentile), scored 2026-10-31.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 13th percentile — 12.8% 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

Drupal Commerce Core

Weakness classification (CWE)

CWE-862 — Missing Authorization

References

www.drupal.org/sa-contrib-2026-254

Frequently asked questions

What is CVE-2026-118539?: CVE-2026-118539 is a medium-severity vulnerability in Drupal Commerce Core, classified under Missing Authorization. CVSS score: 6.5/10. Published 2026-10-30.
How severe is CVE-2026-118539?: Medium severity. CVSS v3 base score is 6.5 out of 10.