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CVE-2026-42275

8.7 high SSVC exploitation: none Analyzed
NVD · CVE.org

zrok is software for sharing web services, files, and network resources. Prior to version 2.0.2, the zrok WebDAV drive backend (davServer.Dir) restricts path traversal through lexical normalization but does not prevent symlink following. When a symbolic link inside the shared DriveRoot points to a location outside that root, remote WebDAV consumers can read files and—on shares without OS-level permission restrictions—write or overwrite files anywhere on the host filesystem accessible to the zrok process. This issue has been patched in version 2.0.2.

Fix

Patch, vendor advisory and mitigation references on NVD 2

Every line above is quoted from NVD, CISA, Microsoft, the vendor's own advisory or DISA; nothing is generated.

Change history 1

  1. First seenCVSS 8.7 · netfoundryNVD modified 2026-10-26 20:10

Affected (CPE criteria) 1

  • cpe:2.3:a:netfoundry:zrok:*:*:*:*:*:*:*:*

References 3