CVE-2026-30954
Received Received - Intake
Privilege Escalation via Insecure Tag Assignment in LinkAce

Publication date: 2026-03-10

Last updated on: 2026-03-17

Assigner: GitHub, Inc.

Description
LinkAce is a self-hosted archive to collect website links. In 2.1.0 and earlier, the processTaxonomy() method in LinkRepository.php allows authenticated users to attach other users' private tags and lists to their own links by passing integer IDs.
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Meta Information
Published
2026-03-10
Last Modified
2026-03-17
Generated
2026-06-16
AI Q&A
2026-03-10
EPSS Evaluated
2026-06-15
NVD
CVE-2026-30954
EUVD
EUVD-2026-10876
Affected Vendors & Products
Showing 1 associated CPE
Vendor Product Version / Range
linkace linkace to 2.1.0 (inc)
Helpful Resources
Exploitability
CWE
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KEV
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CWE ID Description
CWE-639 The system's authorization functionality does not prevent one user from gaining access to another user's data or record by modifying the key value identifying the data.
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Executive Summary

This vulnerability exists in LinkAce version 2.1.0 and earlier. It involves the processTaxonomy() method in the LinkRepository.php file, which allows authenticated users to attach private tags and lists belonging to other users to their own links by passing integer IDs.

Impact Analysis

The vulnerability allows an authenticated user to associate other users' private tags and lists with their own links. This could lead to unauthorized access or exposure of private organizational data within LinkAce, potentially compromising user privacy and data integrity.

Compliance Impact

I don't know

Detection Guidance

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Mitigation Strategies

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