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CVE-2026-1849 Mongod can run out of stack memory when expressions create deeply nested documents

🗓️ 10 Feb 2026 18:52:52Reported by mongodbType 
vulnrichment
 vulnrichment
🔗 github.com👁 3 Views

MongoDB can run out of stack memory evaluating expressions that create deeply nested documents due to unbounded recursive depth.

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10 Feb 2026 18:52Current
5.5Medium risk
Vulners AI Score5.5
CVSS 3.16.5
CVSS 47.1
EPSS0.00077
SSVC
3