6.6

CVE-2026-6366: drupal

CVSS: 6.6v3.1MediumAnalyzed
Published 19-05-2026Last modified 21-05-2026
Open JSON

Vulnerability summary

CVE-2026-6366 is a medium (CVSS 6.6) vulnerability in drupal. EPSS estimates a 0.42% chance of exploitation in the next 30 days, higher than 34.6% of scored vulnerabilities.

Overall risk
26/100
0100
Medium · default modelHow is this calculated?
CVSS score
6.6/10
010
Medium · v3.1 (CVE.org)
EPSS score
0.42%
0%100%
Low · +0.02 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 19-05-2026
    PublishedVulnerability first disclosed.
  2. 21-05-2026
    Last modifiedVulnerability information updated.

Description

Improperly Controlled Modification of Dynamically-Determined Object Attributes vulnerability in Drupal Drupal core allows Object Injection. This issue affects Drupal core: from 8.0.0 before 10.5.9, from 10.6.0 before 10.6.7, from 11.0.0 before 11.2.11, from 11.3.0 before 11.3.7.

CVSS metrics

2 scores · 2 sources · 1 version

EPSS trend

Probability

0.42%

Chance of exploitation in the next 30 days

Percentile

35%

Versus all other CVEs

30-day change

+0.02 pp

From 0.40% on 20-09-2026

20-09-202620-10-2026
EPSS score
0.42%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Drupal2 products
  • drupal≥ 8.0.0, < 10.5.9 | ≥ 10.6.0, < 10.6.7 | ≥ 11.0.0, < 11.2.11 | ≥ 11.3.0, < 11.3.7
  • drupal core≥ 8.0.0, < 10.5.9 | ≥ 10.6.0, < 10.6.7 | ≥ 11.0.0, < 11.2.11 | ≥ 11.3.0, < 11.3.7

1 vendor · 2 products

References

1 links