CVE-2026-10269: Improper Authorization in decolua 9router
CVE-2026-10269 is a medium severity vulnerability in decolua 9router versions up to 0.4.0. It involves improper authorization due to manipulation of the Host argument in the isAuthenticated function within the HTTP Header Handler component. This flaw can be exploited remotely. The issue is addressed by upgrading to version 0.4.1.
AI Analysis
Technical Summary
The vulnerability CVE-2026-10269 affects the decolua 9router product up to version 0.4.0. It arises from improper authorization in the isAuthenticated function located in src/dashboardGuard.js, specifically in the HTTP Header Handler component. Manipulating the Host argument allows an attacker to bypass authorization controls remotely. The vendor has fixed this issue in version 0.4.1, with the patch identified by commit 428e2c045cb9c0eb8080e8b580471a9c2eaa95ca.
Potential Impact
Successful exploitation of this vulnerability could allow an unauthenticated remote attacker to bypass authorization checks, potentially gaining unauthorized access to protected resources or functionality within the affected application. The CVSS 4.0 base score is 5.3 (medium), reflecting network attack vector, low complexity, no privileges required, no user interaction, and low to limited impact on confidentiality, integrity, and availability.
Mitigation Recommendations
Upgrade decolua 9router to version 0.4.1 or later, which contains the official fix for this vulnerability. No other mitigation steps are indicated or necessary once the upgrade is applied.
CVE-2026-10269: Improper Authorization in decolua 9router
Description
CVE-2026-10269 is a medium severity vulnerability in decolua 9router versions up to 0.4.0. It involves improper authorization due to manipulation of the Host argument in the isAuthenticated function within the HTTP Header Handler component. This flaw can be exploited remotely. The issue is addressed by upgrading to version 0.4.1.
CVSS v4.0
Score 5.3medium
Affected software
pkg:github/decolua/9routerRun on your own infrastructure? Check whether these packages are installed with threat-finder — our free open-source scanner.
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
The vulnerability CVE-2026-10269 affects the decolua 9router product up to version 0.4.0. It arises from improper authorization in the isAuthenticated function located in src/dashboardGuard.js, specifically in the HTTP Header Handler component. Manipulating the Host argument allows an attacker to bypass authorization controls remotely. The vendor has fixed this issue in version 0.4.1, with the patch identified by commit 428e2c045cb9c0eb8080e8b580471a9c2eaa95ca.
Potential Impact
Successful exploitation of this vulnerability could allow an unauthenticated remote attacker to bypass authorization checks, potentially gaining unauthorized access to protected resources or functionality within the affected application. The CVSS 4.0 base score is 5.3 (medium), reflecting network attack vector, low complexity, no privileges required, no user interaction, and low to limited impact on confidentiality, integrity, and availability.
Mitigation Recommendations
Upgrade decolua 9router to version 0.4.1 or later, which contains the official fix for this vulnerability. No other mitigation steps are indicated or necessary once the upgrade is applied.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- VulDB
- Date Reserved
- 2026-05-31T14:09:33.434Z
- Cvss Version
- 4.0
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6a1dbb9de29bf47b501c5668
Added to database: 06/01/2026, 17:04:29 UTC
Last enriched: 06/08/2026, 21:01:00 UTC
Last updated: 07/31/2026, 19:22:57 UTC
Views: 39
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