SB2026061903 - Multiple vulnerabilities in QNAP QuMagie and License Center

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Main Vulnerability Database SB2026061903

SB2026061903 - Multiple vulnerabilities in QNAP QuMagie and License Center

Published: June 19, 2026

Security Bulletin ID SB2026061903
CSH Severity
High
Patch available
YES
Number of vulnerabilities 4
Exploitation vector Remote access
Highest impact Code execution

Breakdown by Severity

High 25% Medium 50% Low 25%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 4 vulnerabilities.


1) Missing Authorization (CVE-ID: CVE-2026-26236)

CWE-ID: CWE-862 - Missing Authorization

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Green


The vulnerability allows a remote attacker to bypass authorization checks.

The vulnerability exists due to improper authorization checks. A remote attacker can gain access to sensitive information on the target system.


2) Exposure of Private Information ('Privacy Violation') (CVE-ID: CVE-2026-26237)

CWE-ID: CWE-359 - Exposure of Private Information ('Privacy Violation')

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Green


The vulnerability allows a remote attacker to gain access to sensitive information.

The vulnerability exists due to exposure of private information. A remote attacker can gain access to sensitive information on the system.


3) Authorization bypass through user-controlled key (CVE-ID: CVE-2026-44083)

CWE-ID: CWE-639 - Authorization Bypass Through User-Controlled Key

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber


The vulnerability allows a remote attacker to compromise the target system.

The vulnerability exists due to authorization bypass through user-controlled key. A remote user can gain elevated privileges on the target system.


4) Path traversal (CVE-ID: CVE-2025-62851)

CWE-ID: CWE-22 - Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear


The vulnerability allows a remote user to perform directory traversal attacks.

The vulnerability exists due to input validation error when processing directory traversal sequences. A remote administrator can send a specially crafted HTTP request and read arbitrary files on the system.


Remediation

Install update from vendor's website.

References