CVE-2026-21856

HIGHNVD 8.87.2▼
EchelonGraph scoreMEDIUM confidence

This high-severity CVE scores 7.2 under NVD CVSS v3. EPSS exploit probability: 0.3%, top 74% of all CVEs by exploit prediction. GitHub Security Advisory data not yet ingested — confidence will rise once GHSA publishes (typical lag: hours to days for open-source ecosystem CVEs; never for infrastructure-only CVEs).

Triggered by: NVD CVSS baseline
Sources: epss, nvd
Elevated
7.2EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 8.8Exploit: Elevated riskExposed: 0

No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.

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.

CVSS v3
8.8
EG Score
7.2(medium)
EG Risk
48(Track*)
EG Risk 48/100SSVC: Track*

EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).

How it’s computed
Severity72% × 45%
Exploitation40% × 40%
Automatability0% × 15%
Action: Watch closely — could escalate to Attend.
EPSS PROB
0%
EPSS %ILE
26%
KEV
Not listed

Published

January 7, 2026

Last Modified

June 17, 2026

Advisory Details (2)

Auto-updated Jul 30, 2026
🔬 Proof of concept available. Patch available. Sources: github_commit, github.
github Patch Available🟡 PoC Available

Authenticated SQL Injection · Advisory · the-hideout/tarkov-data-manager · GitHub

https://github.com/the-hideout/tarkov-data-manager/security/advisories/GHSA-4gcx-ghwc-rc78
github_commit

commit 9bdb3a75a98a (the-hideout/tarkov-data-manager)

Fix landed in the-hideout/tarkov-data-manager commit 9bdb3a75a98a — awaiting tagged release

https://github.com/the-hideout/tarkov-data-manager/commit/9bdb3a75a98a7047b6d70144eb1da1655d6992a8

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Data Freshness Timeline

(refreshed 7× in last 7d / 45× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

  1. 2026-08-01 04:15 UTCEPSS rescore
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  11. 2026-07-23 11:19 UTCOSV refresh
  12. 2026-07-23 03:06 UTCEG score recompute
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  71. 2026-05-29 16:32 UTCEG score recompute
  72. 2026-05-29 13:44 UTCEPSS rescore
  73. 2026-05-29 13:44 UTCEPSS rescore

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Frequently asked(5)

What is CVE-2026-21856?
CVE-2026-21856 is a high vulnerability published on January 7, 2026. 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…
When was CVE-2026-21856 disclosed?
CVE-2026-21856 was first published in the National Vulnerability Database on January 7, 2026, with the most recent update on June 17, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-21856 actively exploited?
CVE-2026-21856 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0% probability of exploitation in the next 30 days, which ranks it in the top 73.6% of all scored CVEs.
What is the CVSS score of CVE-2026-21856?
CVE-2026-21856 has a CVSS v3 base score of 8.8 (NVD). EchelonGraph synthesises NVD + CISA KEV + FIRST EPSS + GHSA into a combined EG score of 7.2.
How do I remediate CVE-2026-21856?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-21856, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

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