Vulnerability Details CVE-2026-82056
A race condition in MongoDB server's text index query parsing can cause a heap use-after-free read when handling upsert retry paths. Under certain concurrent index lifecycle operations, a raw pointer to internal text index metadata may be dereferenced after the underlying structures have been freed, leading to a server crash. An authenticated user with readWrite privileges can trigger this condition through specific concurrent text-search and index management operations, resulting in denial of service for all connected clients. This
Exploit prediction scoring system (EPSS) score
EPSS Score 0.002
EPSS Ranking 15.9%
CVSS Severity
CVSS v3 Score 5.3
Products affected by CVE-2026-82056
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cpe:2.3:a:mongodb:mongodb:8.0.0
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cpe:2.3:a:mongodb:mongodb:8.0.1
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cpe:2.3:a:mongodb:mongodb:8.0.10
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cpe:2.3:a:mongodb:mongodb:8.0.11
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cpe:2.3:a:mongodb:mongodb:8.0.12
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cpe:2.3:a:mongodb:mongodb:8.0.13
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cpe:2.3:a:mongodb:mongodb:8.0.14
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cpe:2.3:a:mongodb:mongodb:8.0.15
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cpe:2.3:a:mongodb:mongodb:8.0.16
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cpe:2.3:a:mongodb:mongodb:8.0.17
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cpe:2.3:a:mongodb:mongodb:8.0.18
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cpe:2.3:a:mongodb:mongodb:8.0.19
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cpe:2.3:a:mongodb:mongodb:8.0.2
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cpe:2.3:a:mongodb:mongodb:8.0.20
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cpe:2.3:a:mongodb:mongodb:8.0.21
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cpe:2.3:a:mongodb:mongodb:8.0.23
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cpe:2.3:a:mongodb:mongodb:8.0.24
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cpe:2.3:a:mongodb:mongodb:8.0.25
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cpe:2.3:a:mongodb:mongodb:8.0.26
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cpe:2.3:a:mongodb:mongodb:8.0.28
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cpe:2.3:a:mongodb:mongodb:8.0.3
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cpe:2.3:a:mongodb:mongodb:8.0.4
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cpe:2.3:a:mongodb:mongodb:8.0.5
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cpe:2.3:a:mongodb:mongodb:8.0.6
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cpe:2.3:a:mongodb:mongodb:8.0.7
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cpe:2.3:a:mongodb:mongodb:8.0.8
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cpe:2.3:a:mongodb:mongodb:8.0.9