Webform REST - Moderately critical - Access bypass - SA-CONTRIB-2026-087

Why this deserves its current priority

A CVSS score is not reported in the current record. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.

Affected scope and exposure questions

The current feed maps Drupal/Webform REST (generic). Check affected ranges and fixed versions before updating.

Recommended response

1. 1Check inventory. Check lockfiles and deployed manifests for Drupal/Webform REST.
2. 2Review the reported fix. Update Drupal/Webform REST to 4.1.0 if you use the affected versions. Test the change in a non-production environment first.

Evidence timeline and material changes

1. Published upstream

   Aug 25, 2026

   Evidence: source:cvelist:source_dates:source-dates:record

2. Source modified

   Aug 25, 2026

   Evidence: source:cvelist:source_dates:source-dates:record

3. First seen by HOL

   Aug 25, 2026

Sources and claim methodology

• Source referencedrupal.org

Related CVEs

• Edit in-place field - Moderately critical - Access bypass - SA-CONTRIB-2026-093Also CWE-863
• Apache Tomcat: Redirect after FORM auth may bypass method specific constraintsAlso CWE-863
• Kimai before 2.56.0 Authorization Bypass via TimesheetVoterAlso CWE-863
• Development Environment - Critical - Unsupported - SA-CONTRIB-2026-089Same generic ecosystem
• Drupal core - Moderately critical - Information disclosure - SA-CORE-2026-010Same generic ecosystem
• Drupal core - Moderately critical - Cross-site scripting - SA-CORE-2026-011Same generic ecosystem