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Vulnerabilities

Vulnerability · CVE-2026-21854

The Tarkov Data Manager is a tool to manage the Tarkov item data.

Published Jan 7, 2026 · catalog updated Jan 7, 2026 · The Tarkov Data Manager

Last checked Nov 3, 2026. A connected source was read within the last 7 days.

Check if you run it

No confirmed exploitation is on record for CVE-2026-21854. EPSS is 0.46%. Act only if a listed version of The Tarkov Data Manager is installed.

Gaps on this record

  • The stored product name is a package slug. The name on this page is taken from the title (The Tarkov Data Manager).
  • No vendor fix or required action is stored. Compare the linked advisory before you change production.

Same product and reporting

Severity
Critical9.8
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
0.46%
Remediation
Advisory link
Affected products
vendor the-hideout tarkov-data-manager ≤ 2.0.0

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.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • vendor the-hideout tarkov-data-manager ≤ 2.0.0≤ 2.0.0

How to fix CVE-2026-21854

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

No confirmed exploitation is on record for CVE-2026-21854. EPSS is 0.46%. Act only if a listed version of The Tarkov Data Manager is installed.

Which versions are affected?

Compare what you have installed with the-hideout tarkov-data-manager ≤ 2.0.0 ≤ 2.0.0. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

No weakness class is stored. EPSS 0.46%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

Timeline

Detection, updates, and resolution for this record.

  1. Jan 7, 2026 · EUVD

    Detected

    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

  2. Jan 7, 2026 · EUVD

    Updated

    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

Sources

  • CVE.orgVulnerability recordCVE-2026-21854

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2026-21854

    30-day exploitation probability 0.46%

    first.org
  • EUVDVulnerability recordEUVD-2026-1399

    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 pro

    euvd.enisa.europa.eu

References

Freshness

Last verified in this catalog Nov 3, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.

  • FIRST EPSSNov 3, 2026
  • CVE.orgOct 31, 2026
  • EUVDOct 30, 2026