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CVE-2026-42890

actual Allows Electron to Run As Node

MEDIUM
4.8
CVSS Score
Published: June 12, 2026 at 06:58 PM UTC
Updated: October 26, 2026 at 11:10 AM UTC
1 product affected across 1 vendorActual

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Severity
MEDIUM4.8
Exploit prediction
EPSS 0.1%
SSVC
No known exploit

Description

Actual is an open-source personal finance application. In the macOS desktop application version 25.x (built on Electron 39.2.7), the ELECTRON_RUN_AS_NODE fuse is not disabled, allowing an attacker who can place a file on disk or control command-line arguments to invoke the signed Actual.app binary with the ELECTRON_RUN_AS_NODE=1 environment variable set. This converts the application into a Node.js REPL capable of executing arbitrary code that inherits the application's entitlements and code signature, bypassing macOS Gatekeeper review. Version 26.5.0 patches the issue.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Actual· Actualbudgetnpm
90%
v < 26.5.0
Affected range stops below 26.5.0, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (2)

x_refsource_CONFIRM
Source: cverecord
https://github.com/actualbudget/actual/security/advisories/GHSA-7rvm-xjpp-63r9
x_refsource_MISC
Source: cverecord
https://actualbudget.org/blog/release-26.5.0

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

4.8MEDIUMGitHub_M
Vector?

Quick Info

StatusDEFERRED
CWE
CWE-94

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