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CVE-2026-21854

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.
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:f6cee6e4b8996711d7298337a4ba13aed44d05887fbb2defdec4b6bbe58778d8
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
1

Preserved source conflicts

No provider value was silently selected as the winner.

cwe · 3 assertions

{"cweId":"CWE-1321","description":"CWE-1321: Improperly Controlled Modification of Object Prototype Attributes ('Prototype Pollution')","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:3da122408d604b34feb08431c1264de4f49a14036d254efd5793e5cfd2debf86 · sha256:8467212c15d90ff8… · /containers/cna/problemTypes/2/descriptions/0

{"cweId":"CWE-287","description":"CWE-287: Improper Authentication","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:3da122408d604b34feb08431c1264de4f49a14036d254efd5793e5cfd2debf86 · sha256:8467212c15d90ff8… · /containers/cna/problemTypes/0/descriptions/0

{"cweId":"CWE-843","description":"CWE-843: Access of Resource Using Incompatible Type ('Type Confusion')","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:3da122408d604b34feb08431c1264de4f49a14036d254efd5793e5cfd2debf86 · sha256:8467212c15d90ff8… · /containers/cna/problemTypes/1/descriptions/0

Affected products and versions

1 source assertion
{"product":"tarkov-data-manager","vendor":"the-hideout","versions":[{"status":"affected","version":"<= 2.0.0"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:3da122408d604b34feb08431c1264de4f49a14036d254efd5793e5cfd2debf86 · sha256:8467212c15d90ff8… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":9.8,"baseSeverity":"CRITICAL","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:3da122408d604b34feb08431c1264de4f49a14036d254efd5793e5cfd2debf86 · sha256:8467212c15d90ff8… · /containers/cna/metrics/0/cvssV3_1

CWE assertions

3 source assertions
{"cweId":"CWE-1321","description":"CWE-1321: Improperly Controlled Modification of Object Prototype Attributes ('Prototype Pollution')","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:3da122408d604b34feb08431c1264de4f49a14036d254efd5793e5cfd2debf86 · sha256:8467212c15d90ff8… · /containers/cna/problemTypes/2/descriptions/0
{"cweId":"CWE-287","description":"CWE-287: Improper Authentication","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:3da122408d604b34feb08431c1264de4f49a14036d254efd5793e5cfd2debf86 · sha256:8467212c15d90ff8… · /containers/cna/problemTypes/0/descriptions/0
{"cweId":"CWE-843","description":"CWE-843: Access of Resource Using Incompatible Type ('Type Confusion')","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:3da122408d604b34feb08431c1264de4f49a14036d254efd5793e5cfd2debf86 · sha256:8467212c15d90ff8… · /containers/cna/problemTypes/1/descriptions/0

Source references

2 source assertions
{"name":"https://github.com/the-hideout/tarkov-data-manager/commit/f188f0abf766cefe3f1b7b4fc6fe9dad3736174a","tags":["x_refsource_MISC"],"url":"https://github.com/the-hideout/tarkov-data-manager/commit/f188f0abf766cefe3f1b7b4fc6fe9dad3736174a"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:3da122408d604b34feb08431c1264de4f49a14036d254efd5793e5cfd2debf86 · sha256:8467212c15d90ff8… · /containers/cna/references/1
{"name":"https://github.com/the-hideout/tarkov-data-manager/security/advisories/GHSA-r8w6-9xwg-6h73","tags":["x_refsource_CONFIRM"],"url":"https://github.com/the-hideout/tarkov-data-manager/security/advisories/GHSA-r8w6-9xwg-6h73"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:3da122408d604b34feb08431c1264de4f49a14036d254efd5793e5cfd2debf86 · sha256:8467212c15d90ff8… · /containers/cna/references/0

Attribution and limitations

  • CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →

Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.

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