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CVE-2026-3089

MEDIUM

6.5

Descripcion

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.

Detalles CVE

Puntuacion CVSS v3.16.5

SeveridadMEDIUM

Vector CVSSCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N

Vector de ataqueNETWORK

ComplejidadLOW

Privilegios requeridosLOW

Interaccion usuarioNONE

Publicado3/9/2026

Ultima modificacion4/9/2026

Fuentenvd

Avistamientos honeypot0

Productos afectados

actualbudget:actual

Debilidades (CWE)

CWE-22

Referencias

https://fluidattacks.com/advisories/fugue(help@fluidattacks.com)

https://github.com/actualbudget/actual(help@fluidattacks.com)

https://github.com/actualbudget/actual/pull/7067(help@fluidattacks.com)

https://fluidattacks.com/advisories/fugue(134c704f-9b21-4f2e-91b3-4a467353bcc0)

Correlaciones IOC

Sin correlaciones registradas

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