SCA: security update for @actual-app/sync-server (GHSA-m2cq-xjgm-f668)

critical Tenable Self-Hosted Container Security Plugin ID 437979

Description

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

- Actual is a local-first personal finance tool. Prior to version 26.2.1, missing authentication middleware
in the ActualBudget server component allows any unauthenticated user to query the SimpleFIN and Pluggy.ai
integration endpoints and read sensitive bank account balance and transaction information. This
vulnerability allows an unauthenticated attacker to read the bank account balance and transaction history
of ActualBudget users. This vulnerability impacts all ActualBudget Server users with the SimpleFIN or
Pluggy.ai integrations configured. The ActualBudget Server instance must be reachable over the network.
Version 26.2.1 patches the issue. (CVE-2026-27584)

Plugin Details

Severity: Critical

ID: 437979

Version: Revision 1.6

Type: Local

Family: SCA Checks

Published: 2/25/2026

Updated: 7/2/2026

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

Risk Information

VPR

Risk Factor: Medium

Score: 5

Percentile: 94.39

Vendor

Vendor Severity: Critical

CVSS v2

Risk Factor: High

Base Score: 7.8

Temporal Score: 6.1

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

CVSS Score Source: CVE-2026-27584

CVSS v3

Risk Factor: High

Base Score: 7.5

Temporal Score: 6.7

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

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

CVSS v4

Risk Factor: Critical

Base Score: 9.2

Threat Score: 8.7

Threat Vector: CVSS:4.0/E:P

Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:H/SI:N/SA:N

Vulnerability Information

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 2/24/2026

Vulnerability Publication Date: 2/24/2026

Reference Information

CVE: CVE-2026-27584

cwe: CWE-306

Detections

Analytics