{"cve":"CVE-2026-45576","nvd":{"published":"2026-07-16T17:16:56.567","modified":"2026-10-24T20:10:00.137","status":"Analyzed","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.","cvss_v4":{"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","score":8.3},"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N","score":7.5},"cwes":["CWE-22"],"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"],"products":["netfoundry:zrok"],"source":"nvd","synced_at":"2026-10-25T17:50:08.599881581+00:00"},"epss":{"cve":"CVE-2026-45576","score":0.00496,"percentile":0.42258,"date":"2026-10-25"},"kev":null,"osv":[{"id":"GHSA-c656-jcx2-7pqj","url":"https://osv.dev/vulnerability/GHSA-c656-jcx2-7pqj","summary":"zrok copy writes attacker-controlled WebDAV paths outside the destination root","modified":"2026-06-25T19:56:36.501893020Z","packages":[{"ecosystem":"Go","name":"github.com/openziti/zrok/v2","purl":"pkg:golang/github.com/openziti/zrok/v2","ranges":["<2.0.3"],"fixed":["2.0.3"]},{"ecosystem":"Go","name":"github.com/openziti/zrok","purl":"pkg:golang/github.com/openziti/zrok","ranges":[">=0.4.23 <=1.1.11"],"fixed":[]}]},{"id":"GO-2026-5315","url":"https://osv.dev/vulnerability/GO-2026-5315","summary":"zrok copy writes attacker-controlled WebDAV paths outside the destination root in github.com/openziti/zrok","modified":"2026-06-25T19:45:30.542612285Z","packages":[{"ecosystem":"Go","name":"github.com/openziti/zrok","purl":"pkg:golang/github.com/openziti/zrok","ranges":[">=0.4.23"],"fixed":[]},{"ecosystem":"Go","name":"github.com/openziti/zrok/v2","purl":"pkg:golang/github.com/openziti/zrok/v2","ranges":["<2.0.3"],"fixed":["2.0.3"]}]}],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}