ZIPLINE · CVE-2026-126950 · Package
NO FIX YET · SEE WHAT TO DO
Zipline through 4.4.0 trusts the x-zipline-file-extension header, so traversal sequences in it point file deletion at paths outside the upload directory. An attacker with an upload account can delete chosen files on the server, causing denial of service or data loss.
first public Jan 20, 2026 · 2 sources
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Self-hosted Zipline 4.4.0 (NVD: through 4.4.0) where authenticated users can upload files and set an expiry. The vendor shows the unchecked delete in LocalDatasource and says any deployment using LocalDatasource, or any datasource whose delete does not constrain keys, is impacted. Instances where only trusted admins have accounts can skip it. CVSS v4 rates it with high privileges required.
Not affected if managed-hosting, no-untrusted-accounts
Who cares file-uploads, localdatasource, self-hosted, zipline
Zipline through 4.4.0 contains a path traversal vulnerability that allows authenticated attackers to delete arbitrary server files by injecting traversal sequences via the x-zipline-file-extension header. Attackers can upload a file with a poisoned stored name and short expiry so LocalDatasource deletion removes chosen files, causing denial of service or data loss.
This page as .md · .json · CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:N/VI:H/VA:H/SC:N/SI:N/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:X/V:X/RE:X/U:X
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