How severe is CVE-2026-22898?

CVE-2026-22898 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2026-22898 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (48th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-22898?

CVE-2026-22898 affects Qnap Qvr Pro. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-22898?

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

Does CVE-2026-22898 have an EU (EUVD) identifier?

Yes. CVE-2026-22898 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-13718.

When was CVE-2026-22898 published?

CVE-2026-22898 was published on 2026-03-20 and last updated on 2026-06-17.

CVE-2026-22898

CVE-2026-22898 is a critical-severity vulnerability in Qnap Qvr Pro with a CVSS 3.x base score of 9.8. 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-306.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v4: 9.3
EPSS exploit prediction: 1% (48th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-13718
Weakness: CWE-306
Affected product: Qnap Qvr Pro
Published: 2026-03-20
Last modified: 2026-06-17

Description

A missing authentication for critical function vulnerability has been reported to affect QVR Pro. The remote attackers can then exploit the vulnerability to gain access to the system. We have already fixed the vulnerability in the following version: QVR Pro 2.7.4.14 and later

Frequently asked questions

What is CVE-2026-22898?: A missing authentication for critical function vulnerability has been reported to affect QVR Pro. The remote attackers can then exploit the vulnerability to gain access to the system. We have already fixed the vulnerability in the following version: QVR Pro 2.7.4.14 and later
How severe is CVE-2026-22898?: CVE-2026-22898 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2026-22898 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (48th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-22898?: CVE-2026-22898 affects Qnap Qvr Pro. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-22898?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
Does CVE-2026-22898 have an EU (EUVD) identifier?: Yes. CVE-2026-22898 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-13718.
When was CVE-2026-22898 published?: CVE-2026-22898 was published on 2026-03-20 and last updated on 2026-06-17.

References

https://www.qnap.com/en/security-advisory/qsa-26-07

Affected products (1)

cpe:2.3:a:qnap:qvr_pro:*:*:*:*:*:*:*:*

More vulnerabilities in Qnap Qvr Pro

CVE-2021-38692 — High (CVSS 8.1): A stack buffer overflow vulnerability has been reported to affect QNAP device running QVR Elite, QVR Pro, QVR Guard. If…
CVE-2021-38691 — High (CVSS 8.1): A stack buffer overflow vulnerability has been reported to affect QNAP device running QVR Elite, QVR Pro, QVR Guard. If…
CVE-2021-38690 — High (CVSS 8.1): A stack buffer overflow vulnerability has been reported to affect QNAP device running QVR Elite, QVR Pro, QVR Guard. If…
CVE-2021-38689 — High (CVSS 8.1): A stack buffer overflow vulnerability has been reported to affect QNAP device running QVR Elite, QVR Pro, QVR Guard. If…
CVE-2021-38682 — High (CVSS 8.1): A stack buffer overflow vulnerability has been reported to affect QNAP device running QVR Elite, QVR Pro, QVR Guard. If…

All CVEs affecting Qnap Qvr Pro →

Other CWE-306 (Missing Authentication for Critical Function) vulnerabilities

CVE-2026-54309 — Critical (CVSS 10.0): n8n is an open source workflow automation platform. Prior to 2.25.7 and 2.26.2, when @n8n/mcp-browser is run in HTTP…
CVE-2026-50242 — Critical (CVSS 10.0): In JetBrains Hub before 2026.1.13757, 2025.3.148033, 2025.2.148048, 2025.1.148120, 2024.3.148430, 2024.2.148429…
CVE-2026-49257 — Critical (CVSS 10.0): mcp-pinot is a Python-based Model Context Protocol (MCP) server for interacting with Apache Pinot. In versions 3.0.1…
CVE-2026-46846 — Critical (CVSS 10.0): Vulnerability in the Oracle WebCenter Portal product of Oracle Fusion Middleware (component: Security Framework).…
CVE-2026-46803 — Critical (CVSS 10.0): Vulnerability in the Oracle WebCenter Portal product of Oracle Fusion Middleware (component: Security Framework).…
CVE-2026-46800 — Critical (CVSS 10.0): Vulnerability in the Oracle WebCenter Sites product of Oracle Fusion Middleware (component: WebCenter Sites).…

Browse all CWE-306 (Missing Authentication for Critical Function) vulnerabilities →