CVEvulnerability
CVE-2026-3089
5.3 MEDIUM
Official page ↗
- Status
- Analyzed
- Published
- 2026-03-09
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 4.0 ([email protected])
- 5.3 MEDIUM — 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
- CVSS 3.1 ([email protected])
- 6.5 MEDIUM — CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
- Weaknesses
- CWE-22
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.This issue affects prior versions of Actual Sync Server 26.3.0.
Affected configurations
• actualbudget actual (< 26.3.0)
Related
Weakness · CWE (1)
- CWE-22 Improper Limitation of a Pathname to a Restricted Directory weakness
References
- https://fluidattacks.com/advisories/fugue Exploit, Third Party Advisory
- https://github.com/actualbudget/actual Product
- https://github.com/actualbudget/actual/pull/7067 Issue Tracking, Patch
- https://fluidattacks.com/advisories/fugue Exploit, Third Party Advisory