CVE-2026-21854
Critical
Description
The Tarkov Data Manager is a tool to manage the Tarkov item data. Prior to 02 January 2025, an authentication bypass vulnerability in the login endpoint allows any unauthenticated user to gain full admin access to the Tarkov Data Manager admin panel by exploiting a JavaScript prototype property access vulnerability, combined with loose equality type coercion. A series of fix commits on 02 January 2025 fixed this and other vulnerabilities.
SeverityCritical
CVSS9.8
Exploit probability—
ProductTarkov Data Manager
PublishedJan 7, 2026
First seenJan 7, 2026
How to fix
Update
- tarkov tarkov_data_manager2025-01-02 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| tarkov tarkov_data_manager | v < 2025-01-02 | 2025-01-02 |
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