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CVE-2026-26237 QNAP Systems Inc. CVE debrief

CVE-2026-26237 is a high-severity vulnerability in QuMagie, a QNAP product. The vulnerability has a CVSS score of 8.7 and allows remote attackers to access unauthorized data or perform unauthorized actions due to a missing authorization issue. The vulnerability was published on [cvePublishedAt] and modified on [cveModifiedAt].

Vendor
QNAP Systems Inc.
Product
QuMagie
CVSS
MEDIUM 6.6
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

Users of QuMagie versions prior to 2.9.0 should apply the patch to prevent exploitation.

Technical summary

The vulnerability is caused by a missing authorization issue in QuMagie, allowing remote attackers to access unauthorized data or perform unauthorized actions. The CVSS vector is 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: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

  • Apply the patch by upgrading to QuMagie version 2.9.0 or later.

Evidence notes

The vulnerability was reported to affect QuMagie and has been fixed in version 2.9.0 and later.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-26237 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-26237

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

  • CVE-2026-26237 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-26237

    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.