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PatchSiren cyber security CVE debrief

CVE-2026-96366 Drupal CVE debrief

CVE-2026-96366 is an Incorrect Authorization vulnerability in Drupal Webform, allowing Forceful Browsing. Affected versions are from 0.0.0 to 6.2.12 and from 6.3.0 to 6.3.1. This vulnerability arises from incorrect authorization checks, potentially allowing unauthorized access to webform content. Defenders should verify exposure, prioritize updates or compensating controls, and monitor for potential unauthorized access attempts. The CVE record and source item provide details on the vulnerability and affected versions, but specific exploitation instances or detailed impact assessments are limited. AI-assisted PatchSiren debrief based on the supplied source corpus.

Vendor
Drupal
Product
Webform
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 Webform users, especially those with versions 0.0.0 to 6.2.12 or 6.3.0 to 6.3.1 installed, should assess their exposure and consider updates or compensating controls to mitigate potential unauthorized access.

Why it matters

CVE-2026-96366 is an Incorrect Authorization vulnerability in Drupal Webform that allows Forceful Browsing. Defenders should verify exposure, prioritize updates or compensating controls, and monitor for potential unauthorized access attempts.

  • Verification of Webform versions and exposure is necessary.
  • Potential unauthorized access to webform content may occur if not mitigated.
  • Defenders should prioritize updates or compensating controls for affected versions.

Technical summary

The vulnerability, known as CVE-2026-96366, is an Incorrect Authorization issue in the Drupal Webform module. This vulnerability allows for Forceful Browsing and affects Webform versions from 0.0.0 to 6.2.12 and from 6.3.0 to 6.3.1. The issue arises from incorrect authorization checks, potentially allowing unauthorized access to webform content.

Defensive priority

Defenders should prioritize verifying exposure in their Webform installations, especially if versions 0.0.0 to 6.2.12 or 6.3.0 to 6.3.1 are in use, and assess the need for updates or compensating controls.

Recommended defensive actions

  • Verify Webform version and compare to affected ranges.
  • Assess exposure and prioritize updates or compensating controls.
  • Monitor Webform installations for potential unauthorized access attempts.

Evidence notes

The CVE record and source item provide details on the vulnerability and affected versions. However, specific exploitation instances or detailed impact assessments are not provided, limiting the ability to fully understand the vulnerability's effects.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-96366 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-96366

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

  • CVE-2026-96366 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-96366

    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.