CVE-2026-21856 Tarkov Data Manager has Authenticated SQL Injection
An authenticated attacker can execute arbitrary SQL queries against the MySQL database via blind SQL injection in webhook and scanner endpoints.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-21856?
CVE-2026-21856 is a high-severity SQL injection vulnerability in the-hideout tarkov-data-manager, published on 7 Jan 2026. An attacker needs administrator access to exploit it, with no action from the victim.
Official description
The Tarkov Data Manager is a tool to manage the Tarkov item data. Prior to commit 9bdb3a75a98a7047b6d70144eb1da1655d6992a8, a time based blind SQL injection vulnerability in the webhook edit and scanner api endpoints that allow an authenticated attacker to execute arbitrary SQL queries against the MySQL database. Commit 9bdb3a75a98a7047b6d70144eb1da1655d6992a8 contains a patch.
Weakness: CWE-89
Which versions are affected by CVE-2026-21856?
It affects 1 product.
Products include Tarkov Tarkov Data Manager.
How do I fix CVE-2026-21856?
No fix has been published for CVE-2026-21856 yet. Limit exposure of the affected software until one is available.
Use parameterised queries everywhere and never build SQL by joining strings. Upgrade affected software first; a web application firewall only buys time. More about SQL injection.
Is CVE-2026-21856 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-21856 exists.
Other vulnerabilities in the-hideout tarkov-data-manager
Sources
Also known as GHSA-4gcx-ghwc-rc78.