CVE-2026-124573
Deferred Deferred - Pending Action

Logseq Local HTTP API Missing Authentication Vulnerability

Vulnerability report for CVE-2026-124573, including description, CVSS score, EPSS score, affected products, exploitability, helpful resources, and attack-flow context.

Publication date: 2026-11-09

Last updated on: 2026-11-09

Assigner: VulDB

Description

A vulnerability was found in logseq 2.0.1/2.0.2. This affects the function validate-auth-token of the file src/electron/electron/server.cljs of the component Local HTTP API. The manipulation results in missing authentication. The attack may be performed from remote. The exploit has been made public and could be used. The project was informed of the problem early through an issue report but has not responded yet.

CVSS Scores

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Meta Information

Published
2026-11-09
Last Modified
2026-11-09
Generated
2026-11-09
AI Q&A
2026-11-09
EPSS Evaluated
N/A
NVD
EUVD

Affected Vendors & Products

Showing 2 associated CPEs
Vendor Product Version / Range
n/a logseq 2.0.1
n/a logseq 2.0.2

Helpful Resources

Exploitability

CWE
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KEV
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CWE ID Description
CWE-306 The product does not perform any authentication for functionality that requires a provable user identity or consumes a significant amount of resources.
CWE-287 When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct.

Attack-Flow Graph

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Executive Summary

CVE-2026-124573 is a vulnerability in Logseq desktop versions 2.0.1 and later. It allows unauthenticated remote code execution through flaws in the local API server, path traversal, and file protocol handling. The attack requires the victim to have Logseq running with a graph open and the local API server enabled.

Impact Analysis

An attacker can exploit this to run arbitrary commands on your system silently, steal session tokens, read private notes, inject malicious scripts, or modify project files. The attack appears as a normal webpage load and can persist via the Windows Startup folder.

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