SCA: security update for @actual-app/sync-server (GHSA-27vg-33gh-4hwg)

medium Tenable Cloud Security Plugin ID 438551

Description

There are packages installed that are affected by a vulnerability referenced in the following CVE:

- 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. (CVE-2026-3089)

Solution

Update the @actual-app/sync-server library and its related packages to version 26.3.0 or later.

See Also

https://github.com/advisories/GHSA-27vg-33gh-4hwg

Plugin Details

Severity: Medium

ID: 438551

Version: Revision 1.7

Type: Local

Family: SCA Checks

Published: 3/10/2026

Updated: 7/2/2026

Supported Sensors: Tenable Cloud Security, Tenable Self-Hosted Container Security

Risk Information

VPR

Risk Factor: Low

Score: 3

Percentile: 23.73

Vendor

Vendor Severity: Medium

CVSS v2

Risk Factor: Medium

Base Score: 6.8

Temporal Score: 5.3

Vector: CVSS2#AV:N/AC:L/Au:S/C:N/I:C/A:N

CVSS Score Source: CVE-2026-3089

CVSS v3

Risk Factor: Medium

Base Score: 6.5

Temporal Score: 5.9

Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N

Temporal Vector: CVSS:3.0/E:P/RL:O/RC:C

CVSS v4

Risk Factor: Medium

Base Score: 5.3

Threat Score: 2.1

Threat Vector: CVSS:4.0/E:P

Vector: 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

Vulnerability Information

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 3/10/2026

Vulnerability Publication Date: 3/9/2026

Reference Information

CVE: CVE-2026-3089

cwe: CWE-22