Vulnerability record · CVE-2026-45576 · published 16 July 2026

CVE-2026-45576: Netfoundry zrok path traversal vulnerability

Netfoundry · Zrok

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.

8.3 CVSS 4.0 High EPSS 0.50% · top 59.9% CWE-22 · Path traversal

8.3CVSS 4.0 base score

0.50%EPSS exploitation probability, 30 days

NoNot in CISA KEV

1Affected product versions listed by NVD

3References

20 Jul 2026Last modified by NVD

Description

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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

Zrok Netfoundry

References

Link	Tags
https://github.com/openziti/zrok/commit/a5811e61589d2f804267c6de4a9056db1bdea457	Patch
https://github.com/openziti/zrok/releases/tag/v2.0.3	Release Notes
https://github.com/openziti/zrok/security/advisories/GHSA-c656-jcx2-7pqj	Vendor Advisory

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Source: NIST National Vulnerability Database (record CVE-2026-45576), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.