Code Injection Vulnerability in Drupal Webform Affects Multiple Versions
CVE-2026-96355

9.1CRITICAL

Key Information:

Vendor

Drupal
Status
Webform
Vendor
CVE Published:
22 October 2026

What is CVE-2026-96355?

A significant code injection vulnerability has been identified in the Drupal Webform module, allowing attackers to exploit improper neutralization of special elements utilized within the template engine. This issue could lead to untrusted code execution, compromising the integrity and security of the affected web applications. Webform versions from 0.0.0 to 6.2.12 and 6.3.0 to 6.3.1 are impacted, making it crucial for users to take immediate action to update their installations and mitigate potential threats to their systems.

Affected Version(s)

Webform 0.0.0 < 6.2.12

Webform 6.3.0 < 6.3.1

References

https://www.drupal.org/sa-contrib-2026-175

CVSS V3.1

Score:
9.1
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Michael Maturi (michaelmaturi)
Jacob Rockowitz (jrockowitz)
Liam Morland (liam morland)
Swan Kalata (akalata)
Bram Driesen (bramdriesen)
Greg Knaddison (greggles)
Jess (xjm)
.