CVE-2026-30954
Privilege Escalation via Insecure Tag Assignment in LinkAce
Publication date: 2026-03-10
Last updated on: 2026-03-17
Assigner: GitHub, Inc.
Description
Description
CVSS Scores
EPSS Scores
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Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| linkace | linkace | to 2.1.0 (inc) |
Helpful Resources
Exploitability
| 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. |
Attack-Flow Graph
AI Powered Q&A
Can you explain this vulnerability to me?
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.
How can this vulnerability impact me? :
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.
How does this vulnerability affect compliance with common standards and regulations (like GDPR, HIPAA)?:
I don't know
How can this vulnerability be detected on my network or system? Can you suggest some commands?
I don't know
What immediate steps should I take to mitigate this vulnerability?
I don't know