CVE-2026-81165
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Incorrect Authorization in Drupal Blazy Allows Forceful Browsing

Publication date: 2026-09-02

Last updated on: 2026-09-02

Assigner: Drupal.org

Description
Incorrect Authorization vulnerability in Drupal Blazy allows Forceful Browsing. This issue affects Blazy versions: from 0.0.0 to 3.0.18.

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Meta Information

Published
2026-09-02
Last Modified
2026-09-02
Generated
2026-09-05
AI Q&A
2026-09-02
EPSS Evaluated
2026-09-03
NVD
CVE-2026-81165
EUVD
EUVD-2026-70007

Affected Vendors & Products

Showing 1 associated CPE
Vendor Product Version / Range
blazy blazy From 0.0.0 (inc) to 3.0.18 (inc)

Helpful Resources

Exploitability

CWE
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KEV
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CWE ID Description
CWE-863 The product performs an authorization check when an actor attempts to access a resource or perform an action, but it does not correctly perform the check.

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Executive Summary

This is an Incorrect Authorization vulnerability in Drupal Blazy that allows Forceful Browsing. It affects Blazy versions from 0.0.0 to 3.0.18, meaning unauthorized users could access restricted content by manipulating URLs or requests.

Detection Guidance

To detect this vulnerability, check if your Drupal site uses Blazy versions 0.0.0 to 3.0.18. Inspect the installed module version via the Drupal admin interface or run drush pm-list | grep blazy. If vulnerable, update Blazy to version 3.0.19 or later immediately.

Impact Analysis

If exploited, attackers could bypass access controls and view sensitive data or perform actions they shouldn't be authorized for. This could lead to data leaks, unauthorized modifications, or other malicious activities depending on the Drupal site's configuration.

Compliance Impact

This vulnerability may lead to unauthorized access to sensitive data due to incorrect authorization, which could violate compliance requirements under GDPR (data protection) and HIPAA (healthcare data privacy). Unauthorized access risks exposing personal or protected health information, potentially resulting in legal penalties or breaches of regulatory standards.

Mitigation Strategies

Update Blazy to a version beyond 3.0.18 to address the incorrect authorization issue. Remove or restrict access to vulnerable endpoints if immediate updates are not possible.

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