CVE-2026-44083: CWE-639 in QNAP Systems Inc. QuMagie
An authorization bypass through user-controlled key vulnerability has been reported to affect QuMagie. The remote attackers can then exploit the vulnerability to gain unintended privileges. We have already fixed the vulnerability in the following version: QuMagie 2.9.1 and later
AI Analysis
Technical Summary
This vulnerability, classified as CWE-639 (Authorization Bypass Through User-Controlled Key), affects QuMagie version 2.9.0. It allows remote attackers to bypass authorization controls by manipulating a user-controlled key, resulting in unauthorized privilege escalation. The vulnerability has a CVSS 4.0 base score of 8.7, indicating high severity with network attack vector, low attack complexity, no privileges required, and no user interaction needed. The vendor has addressed the issue in QuMagie 2.9.1 and subsequent versions.
Potential Impact
Exploitation of this vulnerability enables remote attackers to gain unintended privileges on affected QuMagie installations, potentially compromising system integrity and confidentiality. No known exploits in the wild have been reported at this time.
Mitigation Recommendations
Upgrade QuMagie to version 2.9.1 or later, where this vulnerability has been fixed. No other mitigation steps are indicated by the vendor advisory.
CVE-2026-44083: CWE-639 in QNAP Systems Inc. QuMagie
Description
An authorization bypass through user-controlled key vulnerability has been reported to affect QuMagie. The remote attackers can then exploit the vulnerability to gain unintended privileges. We have already fixed the vulnerability in the following version: QuMagie 2.9.1 and later
CVSS v4.0
Score 8.7high
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability, classified as CWE-639 (Authorization Bypass Through User-Controlled Key), affects QuMagie version 2.9.0. It allows remote attackers to bypass authorization controls by manipulating a user-controlled key, resulting in unauthorized privilege escalation. The vulnerability has a CVSS 4.0 base score of 8.7, indicating high severity with network attack vector, low attack complexity, no privileges required, and no user interaction needed. The vendor has addressed the issue in QuMagie 2.9.1 and subsequent versions.
Potential Impact
Exploitation of this vulnerability enables remote attackers to gain unintended privileges on affected QuMagie installations, potentially compromising system integrity and confidentiality. No known exploits in the wild have been reported at this time.
Mitigation Recommendations
Upgrade QuMagie to version 2.9.1 or later, where this vulnerability has been fixed. No other mitigation steps are indicated by the vendor advisory.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- qnap
- Date Reserved
- 2026-05-05T07:32:16.697Z
- Cvss Version
- 4.0
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6a27c1d4e29bf47b5069009d
Added to database: 6/9/2026, 7:33:40 AM
Last enriched: 6/9/2026, 7:48:31 AM
Last updated: 6/9/2026, 8:40:49 AM
Views: 6
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