CVE-2026-16644CWE-863broken-access-control

CVE-2026-16644

Critical · published August 26, 2026

CVSS v3.1
9.1
EPSS
0%
Percentile
22.9
In the wild
Unconfirmed
What it is

Incorrect Authorization vulnerability in Drupal Webform REST allows Forceful Browsing. This issue affects Webform REST versions: from 0.0.0 to 4.1.0.

The record
Technical detail
CVSS v3.1
9.1 · CRITICAL
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
CVSS v4.0
Not supplied
EPSS
0.00313 · 22.9th percentile
Weakness
CWE-863 · Incorrect Authorization
Published
2026-08-26T03:16Z
References (1)
https://www.drupal.org/sa-contrib-2026-087 · [email protected]
EPSS history
Timeline
  • 27 AUG 06:19Z
    EPSS moved — → 0%
    epss
  • 25 AUG 22:21Z
    Webform REST - Moderately critical - Access bypass - SA-CONTRIB-2026-087
    cvelistv5