CVE-2026-96391: Drupal Webform REST · Missing Authorization Vulnerability
Source GCVE Database
Not known to be exploited · CVSS 4.3 Medium : upgrade to 4.2.1 when convenient.
Data as of 30 Oct 2026, 23:51 UTC
Thin evidence
One scorer or none| CISA-ADP | CVSS 3.1 | 4.3 |
|---|
- Patch
- Available – fixed in 4.2.1
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:NExploitation evidence
Disclosed: evidence found.
CVE published 22 Oct 2026
Detectable: no evidence on record.
No public nuclei template indexed
Weaponized: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 30 Oct 2026.
What to do
Upgrade Webform REST to 4.2.1.
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| DrupalWebform REST | Affected
| Fixed in
|
AI-suggested
If you cannot patch yet, restrict access to the Webform REST endpoints to trusted users and networks where possible.
Description
A missing authorization vulnerability in Drupal Webform REST versions up to 4.2.1 allows forceful browsing, potentially exposing data without proper access control. The vulnerability has a medium severity with a CVSS score of 4.3.