Vulnerability · Published Oct 22, 2026 · Assigned by drupal

CVE-2026-96365Webform - Less critical - Denial of service - SA-CONTRIB-2026-170

High 7.5

In plain English

A high-severity resource allocation without limits in Webform from Drupal. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 36% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)7.5High
Exploit odds (30 days)0.4%top 64.4% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

Allocation of Resources Without Limits or Throttling vulnerability in Drupal Webform allows Excessive Allocation. This issue affects Webform versions: from 0.0.0 to 6.2.12, from 6.3.0 to 6.3.1.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Packagist:https://packages.drupal.org/8drupal/webform6.2.12, 6.3.1DRUPAL-CONTRIB-2026-170

Affected products (as reported)

VendorProductVersions
Drupal Webform 0.0.0 – before 6.2.126.3.0 – before 6.3.1

Weakness: CWE-770 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

References