CVE-2026-22895: QuFTP Service

Severity: medium (CVSS 4.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.2% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-03-20 · updated 2026-06-17
Weakness: CWE-79

Description

A cross-site scripting (XSS) vulnerability has been reported to affect QuFTP Service. If a remote attacker gains an administrator account, they can then exploit the vulnerability to bypass security mechanisms or read application data. We have already fixed the vulnerability in the following versions: QuFTP Service 1.4.3 and later QuFTP Service 1.5.2 and later QuFTP Service 1.6.2 and later

Affected products

QNAP Systems Inc. QuFTP Service: before 1.4.3; from 1.5.0 before 1.5.2; from 1.6.0 before 1.6.2 — fixed in 1.4.3, 1.5.2, 1.6.2

How to fix

Upgrade to a fixed version: QNAP Systems Inc. QuFTP Service 1.4.3, 1.5.2, 1.6.2. Check the vendor advisory for mitigations.

References

https://www.qnap.com/en/security-advisory/qsa-26-15

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