CVE-2026-24724: CWE-863 in QNAP Systems Inc. File Station 5
An incorrect authorization vulnerability has been reported to affect File Station 6. If a remote attacker gains a user account, they can then exploit the vulnerability to bypass intended access restrictions. We have already fixed the vulnerability in the following version: File Station 5 5.5.6.5243 and later
AI Analysis
Technical Summary
This vulnerability (CWE-863) in QNAP File Station 5 allows a remote attacker who has obtained a user account to bypass access control restrictions, potentially gaining unauthorized access to resources. The issue is due to incorrect authorization checks. The vendor has addressed the vulnerability in version 5.5.6.5243 and later. No known exploits are reported in the wild. The CVSS 4.0 vector indicates network attack vector, low attack complexity, no privileges required beyond user-level, no user interaction, high impact on confidentiality and integrity, and no impact on availability.
Potential Impact
An attacker with a valid user account can bypass access restrictions, potentially accessing or modifying data they should not be authorized to. This could lead to unauthorized disclosure or modification of sensitive information within the File Station application.
Mitigation Recommendations
Upgrade to File Station 5 version 5.5.6.5243 or later where the vulnerability has been fixed. No other mitigation or temporary workaround is indicated.
CVE-2026-24724: CWE-863 in QNAP Systems Inc. File Station 5
Description
An incorrect authorization vulnerability has been reported to affect File Station 6. If a remote attacker gains a user account, they can then exploit the vulnerability to bypass intended access restrictions. We have already fixed the vulnerability in the following version: File Station 5 5.5.6.5243 and later
CVSS v4.0
Score 6.2medium
Affected software
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability (CWE-863) in QNAP File Station 5 allows a remote attacker who has obtained a user account to bypass access control restrictions, potentially gaining unauthorized access to resources. The issue is due to incorrect authorization checks. The vendor has addressed the vulnerability in version 5.5.6.5243 and later. No known exploits are reported in the wild. The CVSS 4.0 vector indicates network attack vector, low attack complexity, no privileges required beyond user-level, no user interaction, high impact on confidentiality and integrity, and no impact on availability.
Potential Impact
An attacker with a valid user account can bypass access restrictions, potentially accessing or modifying data they should not be authorized to. This could lead to unauthorized disclosure or modification of sensitive information within the File Station application.
Mitigation Recommendations
Upgrade to File Station 5 version 5.5.6.5243 or later where the vulnerability has been fixed. No other mitigation or temporary workaround is indicated.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- qnap
- Date Reserved
- 2026-01-26T06:41:35.898Z
- Cvss Version
- 4.0
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6a28dcc68dd33fbd85dbad72
Added to database: 06/10/2026, 03:40:54 UTC
Last enriched: 06/17/2026, 07:38:25 UTC
Last updated: 07/31/2026, 19:22:58 UTC
Views: 81
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