CVE-2026-21854

CriticalCVSS 9.8/10Last modified Jun 17, 2026

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.

Metrics

CVSS 3.1 9.8/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-287 CWE-843 CWE-1321

Affected software

No affected versions have been published.

Timeline

Published: Jan 7, 2026
Last modified: Jun 17, 2026
NVD status: Analyzed

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