---
id: CVE-2026-41544
title: A path traversal vulnerability has been reported to affect QcalAgent
summary: >-
  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 …
severity: high
cvss: 8.7
cvssVector: 'CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N'
cwe:
  - CWE-22
vendor: QNAP Systems Inc.
product: QcalAgent
affected:
  - QcalAgent >= 1.1.x < 1.1.10
published: '2026-10-15'
updated: '2026-10-15'
sourceUpdated: '2026-10-15T08:16:38.010'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-41544'
references:
  - url: >-
      https://www.qnap.com/en/app-release-notes?keyword=QcalAgent&app=qcalendar&product-line=nas
    label: security@qnapsecurity.com.tw
tags:
  - nvd
  - cve.org
cvssSource: cna
ingestedAt: '2026-10-15T07:57:27.850Z'
---

## Overview

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

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.