How severe is CVE-2026-26237?

CVE-2026-26237 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2026-26237 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (24th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-26237?

CVE-2026-26237 affects Qnap Qumagie. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-26237?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

Does CVE-2026-26237 have an EU (EUVD) identifier?

Yes. CVE-2026-26237 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-35978.

When was CVE-2026-26237 published?

CVE-2026-26237 was published on 2026-06-10 and last updated on 2026-06-17.

CVE-2026-26237

CVE-2026-26237 is a high-severity vulnerability in Qnap Qumagie with a CVSS 3.x base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-862.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v4: 6.6
EPSS exploit prediction: 0% (24th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-35978
Weakness: CWE-862
Affected product: Qnap Qumagie
Published: 2026-06-10
Last modified: 2026-06-17

Description

A missing authorization vulnerability has been reported to affect QuMagie. The remote attackers can then exploit the vulnerability to access unauthorized data or perform unauthorized actions. We have already fixed the vulnerability in the following version: QuMagie 2.9.0 and later

Frequently asked questions

What is CVE-2026-26237?: A missing authorization vulnerability has been reported to affect QuMagie. The remote attackers can then exploit the vulnerability to access unauthorized data or perform unauthorized actions. We have already fixed the vulnerability in the following version: QuMagie 2.9.0 and later
How severe is CVE-2026-26237?: CVE-2026-26237 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2026-26237 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (24th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-26237?: CVE-2026-26237 affects Qnap Qumagie. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-26237?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2026-26237 have an EU (EUVD) identifier?: Yes. CVE-2026-26237 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-35978.
When was CVE-2026-26237 published?: CVE-2026-26237 was published on 2026-06-10 and last updated on 2026-06-17.

References

https://www.qnap.com/en/security-advisory/qsa-26-35

Affected products (1)

cpe:2.3:a:qnap:qumagie:*:*:*:*:*:*:*:*

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