CVE-2026-41544

High

Description

A path traversal vulnerability has been reported to affect QcalAgent. If a remote attacker gains a user account, they can then exploit the vulnerability to read the contents of unexpected files or system data. We have already fixed the vulnerability in the following version: QcalAgent 1.1.10 and later

SeverityHigh

CVSS8.7

Exploit probability—

ProductQcalAgent

PublishedOct 15, 2026

First seenOct 15, 2026

Weakness typeCWE-22Path traversal

How to fix

Update

QNAP Systems Inc. QcalAgent1.1.10 or later

Vendor advisories

qnap.com/en/app-release-notes?keyword=QcalAgent&app=qcalendar&product-line=nas

Affected products

Product	Affected versions	Fixed in
QNAP Systems Inc. QcalAgent	1.1.x ≤ v < 1.1.10	1.1.10

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