Input validation error in Webform - CVE-2026-96365

 

Input validation error in Webform - CVE-2026-96365

Published: September 25, 2026 / Updated: September 25, 2026


Vulnerability identifier: #VU152217
CSH Severity: Medium
CVSS v4: 8.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-96365
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to the affected module does not sufficiently validate an optional token query value before using it. A remote attacker can pass specially crafted input to the application and perform a denial of service (DoS) attack.


Affected software

Webform

How to mitigate CVE-2026-96365

Install updates from vendor's website.

Webform - addressed in versions 6.2.12, 6.3.1

External References

Related Security Bulletins