wid-sec-w-2026-0628
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Published 2026-03-05
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View on BSI CERT-Bund ↗
Nextcloud Flow: Vulnerability allows Ausführen from beliebigem Programmcode with Administratorrechten
CVSS 6.9
MEDIUM
Risk Summary
Windmill is an open-source developer platform for internal code: APIs, background jobs, workflows and UIs. Prior to version 1.603.3, an unauthenticated path traversal vulnerability exists in Windmill's get_log_file endpoint "(/api/w/{workspace}/jobs_u/get_log_file/{filename})". The filename parameter is concatenated into a file path without sanitization, allowing an attacker to read arbitrary files on the server using ../ sequences. This issue has been patched in version 1.603.3.
CVEs (1)
Affected Vendors
Nextcloud
Affected Products (2)
Nextcloud
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Nextcloud
Flow <1.3.0
Nextcloud
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Nextcloud
Flow 1.3.0
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