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TI-2026-19932 Aliases CVE-2026-24724GHSA-q4p9-vcgx-vmc3

Incorrect authorization in QNAP File Station 5

Priority LOW 34CWE-863Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
None
Attack complexity
Low
Attack requirements
None
Impact type
Security bypass
Confidentiality · integrity · availability
High · High · None
Fix status
Fixed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-863.

Summary

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

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00337 27th percentileScored 2026-11-07
Fix Fixed File Station 5 (QNAP Systems Inc.): 5.5.6.5243

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
Yes
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
QNAPFile Station 55.5.0 to before 5.5.6.52435.5.6.5243Patch availableCNA
  • File Station 5 VendorQNAP Affected 5.5.0 to before 5.5.6.5243 Fixed in 5.5.6.5243 Patch available CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:qnap:file_station:*:*:*:*:*:*:*:*5.5.6.4691 to before 5.5.6.5243VulnerableQNAP
  • cpe:2.3:a:qnap:file_station:*:*:*:*:*:*:*:* Versions 5.5.6.4691 to before 5.5.6.5243 Vulnerable ·QNAP

Remediation

  • Fix · CNA File Station 5 (QNAP Systems Inc.) Fixed in 5.5.6.5243

Fixed in the same release

Records fixed by the same vendor advisory or release, as the CNA lists them.

  • Release ·

    QNAP Systems File Station 5 5.5.6.5243

    4 records Highest priority Priority LOW 4 LOW

    Other records, highest priority first

    • TI-2026-21230 Stack-based buffer overflow in QNAP File Station 5Priority LOW 14
    • TI-2026-21229 Stack-based buffer overflow in QNAP File Station 5Priority LOW 14
    • TI-2026-19931 Resource allocation without limits in QNAP File Station 5Priority LOW 8

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-24724
  2. 2026-10-03 Alias added: GHSA-q4p9-vcgx-vmc3

References

  • TI-2025-24025 Improper certificate validation in QNAP File Station 5 CVSS 4.0HIGH 8.3
  • TI-2025-21598 Improper certificate validation in QNAP File Station 5 CVSS 4.0HIGH 8.3
  • TI-2025-21273 Improper certificate validation in QNAP File Station 5 CVSS 4.0HIGH 8.3
  • TI-2025-21272 Improper certificate validation in QNAP File Station 5 CVSS 4.0HIGH 8.3
  • TI-2025-21271 Improper certificate validation in QNAP File Station 5 CVSS 4.0HIGH 8.3
  • TI-2025-24029 Path traversal in QNAP File Station 5 CVSS 4.0HIGH 7.2
See all 56 →

Sources