Recently modified vulnerabilities for "actual sync server"

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Actual Sync ServerActual Sync Server 26.2.1 - Authenticated Path Traversal

Risk 27

Severity

5.3

EPSS

0.02%

Path Traversal

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/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

Description

Actual Sync Server allows authenticated users to upload files through POST /sync/upload-user-file. In versions prior to 26.3.0, improper validation of the user-controlled x-actual-file-id header means that traversal segments (../) can escape the intended directory and write files outside userFiles.

Mitigations The vulnerability can be mitigated in prior versions by running the sync server in a filesystem sandbox.

1 / 2

Source: GitHub

First published (updated )

CVE-2026-3089

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SecAlerts Pty Ltd.
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QLD 4006, Australia
info@secalerts.co

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Actual Sync ServerActual Sync Server 26.2.1 - Authenticated Path Traversal

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