Incorrect Authorization vulnerability in Drupal Webform REST allows Forceful Browsing. (CVE-2026-16644)
Description
An incorrect authorization vulnerability in Drupal Webform REST versions up to 4.1.0 allows unauthorized users to perform forceful browsing, potentially accessing sensitive data without proper permissions. This vulnerability is identified as CVE-2026-16644 and has a critical severity rating with a CVSS score of 9.1.
CVSS v3.1
Score 9.1critical
Affected software
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Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-16644 is an incorrect authorization vulnerability in the Drupal Webform REST module affecting versions from 0.0.0 up to 4.1.0. The flaw allows unauthorized users to bypass access controls and perform forceful browsing, potentially exposing sensitive information. The vulnerability is classified under CWE-863 (Incorrect Authorization).
Potential Impact
Exploitation of this vulnerability can lead to unauthorized disclosure of sensitive information due to improper access controls. The CVSS score of 9.1 indicates high confidentiality and integrity impact without affecting availability. There are no known exploits in the wild at this time.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. No official fix or patch links are provided in the available data. Users should monitor Drupal security advisories for updates and apply patches once available.
Technical Details
- Gcve Source
- db.gcve.eu
- Osv Id
- DRUPAL-CONTRIB-2026-087
- Osv Schema Version
- 1.7.0
- Aliases
- ["CVE-2026-16644"]
- Ecosystems
- ["Packagist:https://packages.drupal.org/8"]
Threat ID: 6a6151309c2644c7f8da72b4
Added to database: 07/22/2026, 23:24:32 UTC
Last enriched: 09/12/2026, 09:01:56 UTC
Last updated: 10/21/2026, 13:20:20 UTC
Views: 127
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