Vulnerabilities CVE-2026-45576

CVE-2026-45576

High

Open

TLP:CLEAR

zrok copy writes attacker-controlled WebDAV paths outside the destination root

NVD CVE.org

Critical Infrastructure

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Description

zrok is software for sharing web services, files, and network resources. From 0.4.23 until 2.0.3, `zrok2 copy` stores attacker-controlled WebDAV or zrok drive paths such as /../outside.txt in the source inventory and passes them to FilesystemTarget.WriteStream, allowing the sync pipeline to write files outside the selected local filesystem destination root. This issue is fixed in version 2.0.3.

Details

CVSS Score: 8.3
EPSS Score ⓘ: 0.34%

26.8th percentile
CVSS Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:H/VA:N/SC:H/SI:H/SA:N
Confidence: 90%
Published: Jul 16, 2026
Last Modified: Jul 16, 2026

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