PatchSiren

PatchSiren cyber security CVE debrief

CVE-2026-81166 Drupal CVE debrief

A Missing Authorization vulnerability in the Drupal Digital Signage Framework allows for Forceful Browsing. This issue affects Digital Signage Framework versions from 0.0.0 to 2.6.1. The vulnerability could allow attackers to access sensitive information or perform unauthorized actions. Defenders should assess exposure and prioritize remediation based on the potential impact on Digital Signage Framework deployments. The CVE record and NVD entry provide details on the vulnerability, including its description, CVSS score, and affected versions.

Vendor
Drupal
Product
Digital Signage Framework
CVSS
MEDIUM 5.3
CISA KEV
Not listed in stored evidence
Original CVE published
2026-09-02
Original CVE updated
2026-09-16
Advisory published
2026-09-02
Advisory updated
2026-09-16

Who should care

Defenders responsible for Drupal Digital Signage Framework deployments should assess exposure and prioritize remediation based on the potential impact on their deployments. This includes verifying exposure, assessing potential impact, and prioritizing remediation. Additionally, defenders should monitor for potential exploitation attempts and review compensating controls for exposed systems.

Why it matters

Defenders should prioritize verifying exposure and assessing potential impact on Digital Signage Framework deployments due to the Missing Authorization vulnerability allowing Forceful Browsing.

  • Verify exposure of Digital Signage Framework deployments to potential Forceful Browsing.
  • Assess potential impact on deployments and prioritize remediation.
  • Monitor for potential exploitation attempts.

Technical summary

The Drupal Digital Signage Framework is vulnerable to Missing Authorization, allowing for Forceful Browsing. The issue affects versions from 0.0.0 to 2.6.1. The vulnerability could allow attackers to access sensitive information or perform unauthorized actions. Defenders should prioritize verifying exposure and assessing potential impact on Digital Signage Framework deployments.

Defensive priority

Defenders should prioritize verifying exposure and assessing potential impact on Digital Signage Framework deployments.

Recommended defensive actions

  • Verify Digital Signage Framework version and check if it is within the affected range.
  • Assess potential impact on deployments and prioritize remediation.
  • Monitor for potential exploitation attempts.

Evidence notes

The CVE record and NVD entry provide details on the vulnerability, including its description, CVSS score, and affected versions. The vulnerability has been publicly disclosed and defenders should verify exposure and assess potential impact on Digital Signage Framework deployments. The evidence is based on the CVE record and NVD entry, which provide a comprehensive overview of the vulnerability.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-81166 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-81166

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

  • CVE-2026-81166 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-81166

    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.