Critical severity · published Jun 9, 2026
CVE-2026-44083
An authorization bypass through user-controlled key vulnerability has been reported to affect QuMagie
9.8
CVSS
0.5%
EPSS
No
On KEV
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 vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.5% · higher than 40% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
QU
QuMagie · QNAP Systems Inc.
2.9.0 before 2.9.1 · source: vendor, NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-44083
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-44083
Broken Link
https://www.qnap.com/en/security-advisory/qsa-26-35
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