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PatchSiren cyber security CVE debrief

CVE-2026-24724 Qnap CVE debrief

CVE-2026-24724 is an incorrect authorization vulnerability affecting QNAP File Station. If a remote attacker gains a user account, they can then exploit the vulnerability to bypass intended access restrictions. The vulnerability has been fixed in File Station 5 version 5.5.6.5243 and later.

Vendor
Qnap
Product
File Station
CVSS
MEDIUM 6.2
CISA KEV
Not listed in stored evidence
Original CVE published
2026-06-10
Original CVE updated
2026-06-17
Advisory published
2026-06-10
Advisory updated
2026-06-17

Who should care

Administrators and users of QNAP File Station, especially those using versions prior to 5.5.6.5243.

Technical summary

The vulnerability has a CVSS score of 8.6 and is classified as HIGH severity. It allows an attacker with a user account to bypass access restrictions. The CVSS vector is CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X.

Defensive priority

High

Recommended defensive actions

  • Update File Station to version 5.5.6.5243 or later.
  • Restrict access to File Station to trusted users and networks.
  • Monitor File Station logs for suspicious activity.

Evidence notes

The vulnerability was reported to affect File Station 6, but a fix was provided for File Station 5 version 5.5.6.5243 and later.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-24724 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-24724

    CVE Program - Official CVE Program record with source-provided CVE metadata.

  • CVE-2026-24724 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-24724

    NIST National Vulnerability Database - Official NIST NVD detail page and source-specific vulnerability assessment.

Supplemental references

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.