CVE-2026-45576: Path Traversal

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.

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Weakness Type (CWE)

CWE-22 Path Traversal

References

Other References

https://github.com/openziti/zrok/commit/a5811e61589d2f804267c6de4a9056db1bdea457 https://github.com/openziti/zrok/releases/tag/v2.0.3 https://github.com/openziti/zrok/security/advisories/GHSA-c656-jcx2-7pqj

Frequently Asked Questions

What is CVE-2026-45576? +

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.

How do I check if I'm vulnerable to CVE-2026-45576? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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