CVE-2026-96365 Drupal Webform - Denial of Service

Drupal Webform <= 6.2.12 and 6.3.0 to 6.3.1 contain an allocation of resources without limits or throttling vulnerability caused by lack of resource allocation controls, letting attackers cause excessive resource consumption, exploit requires crafted requests.

CVSS base score 7.5 /10
High
CISA KEV
Not listed
Public exploit
None known
Authentication
Not required
EPSS
0.19% chance of exploitation in 30 days
View the NVD record ↗

Details

Type
Denial of Service
Impact
Denial Of Service
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Published
22 October 2026
Updated
23 October 2026
Weakness
CWE-770

Vendor fix

Update to the latest Webform version beyond 6.3.1.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

References

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