How severe is CVE-2026-21856?

CVE-2026-21856 has a CVSS 3.x base score of 7.2, rated high severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2026-21856 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (26th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-21856?

CVE-2026-21856 affects Tarkov Tarkov Data Manager. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-21856?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

Does CVE-2026-21856 have an EU (EUVD) identifier?

Yes. CVE-2026-21856 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-1401.

When was CVE-2026-21856 published?

CVE-2026-21856 was published on 2026-01-07 and last updated on 2026-06-17.

CVE-2026-21856

CVE-2026-21856 is a high-severity vulnerability in Tarkov Tarkov Data Manager with a CVSS 3.x base score of 7.2. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-89.

Key facts

Severity: High (CVSS 3.x base score 7.2)
EPSS exploit prediction: 0% (26th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-1401
Weakness: CWE-89
Affected product: Tarkov Tarkov Data Manager
Published: 2026-01-07
Last modified: 2026-06-17

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.

Frequently asked questions

What is CVE-2026-21856?: 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.
How severe is CVE-2026-21856?: CVE-2026-21856 has a CVSS 3.x base score of 7.2, rated high severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2026-21856 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (26th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-21856?: CVE-2026-21856 affects Tarkov Tarkov Data Manager. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-21856?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2026-21856 have an EU (EUVD) identifier?: Yes. CVE-2026-21856 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-1401.
When was CVE-2026-21856 published?: CVE-2026-21856 was published on 2026-01-07 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:tarkov:tarkov_data_manager:*:*:*:*:*:*:*:*

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