CVE-2026-41544 — Path Traversal leading to Arbitrary File Move, Docker Escape, and Host RCE in /calapi/renameUpload endpoint

CVE-2026-41544

Path Traversal leading to Arbitrary File Move, Docker Escape, and Host RCE in /calapi/renameUpload endpoint PUBLISHED

Description (CNA)

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

Affected (CNA)

Vendor / product	Versions
QNAP Systems Inc. / QcalAgent	affected 1.1.x before 1.1.10

CWE

CWE-22

References

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

ADP enrichment

CISA-ADP

No English description supplied.

No references supplied.