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PatchSiren cyber security CVE debrief

CVE-2026-84921 Drupal CVE debrief

A Missing Authorization vulnerability in Drupal Webform Submissions Delete allows Forceful Browsing. This issue affects Webform Submissions Delete versions from 0.0.0 to 1.2.0. The vulnerability could allow unauthorized access to webform submissions, potentially impacting data integrity and confidentiality. Defenders should review the affected versions and apply patches if necessary. The CVE record and source item provide details on the vulnerability, but limited information is available on exploitation or impact.

Vendor
Drupal
Product
Webform Submissions Delete
CVSS
Unknown
CISA KEV
Not listed in stored evidence
Original CVE published
2026-10-22
Original CVE updated
2026-10-22
Advisory published
2026-10-22
Advisory updated
2026-10-22

Who should care

Drupal users with Webform Submissions Delete installed should assess exposure and apply patches if necessary. This includes reviewing the affected versions, verifying exposure, and applying patches to prevent potential unauthorized access to webform submissions. Additionally, defenders should monitor for potential unauthorized access and review compensating controls for exposed systems.

Why it matters

Defenders should care about CVE-2026-84921 because it affects Webform Submissions Delete, potentially allowing unauthorized access to webform submissions. Drupal users should verify exposure and apply patches if necessary.

  • Potential unauthorized access to webform submissions
  • Need to verify exposure and apply patches
  • Possible impact on data integrity and confidentiality

Technical summary

The Webform Submissions Delete module for Drupal has a Missing Authorization vulnerability, allowing for Forceful Browsing. The issue affects versions from 0.0.0 to 1.2.0. This vulnerability could allow unauthorized access to webform submissions, potentially impacting data integrity and confidentiality. Defenders should review the affected versions and apply patches if necessary. The vulnerability is moderately critical, and Drupal users should assess exposure and apply patches if necessary.

Defensive priority

Defenders should prioritize verifying exposure and applying patches for Webform Submissions Delete versions prior to 1.2.0.

Recommended defensive actions

  • Verify Webform Submissions Delete version and apply patch if necessary
  • Review and update inventory of affected systems
  • Monitor for potential unauthorized access

Evidence notes

The CVE record and source item provide details on the vulnerability, but limited information is available on exploitation or impact. There is no evidence of public exploitation, but defenders should verify exposure and apply patches if necessary. The Webform Submissions Delete module for Drupal has a Missing Authorization vulnerability, allowing for Forceful Browsing. The issue affects versions from 0.0.0 to 1.2.0. No additional information is available on the vulnerability's impact or

Sources and references

Verified primary and authoritative sources

  • CVE-2026-84921 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-84921

    CVE Program - Official CVE Program record with source-provided CVE metadata.

  • CVE-2026-84921 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-84921

    NIST National Vulnerability Database - Official NIST NVD detail page and source-specific vulnerability assessment.

Supplemental references

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.