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CVE-2026-25611

Pre-Authentication Memory Exhaustion Denial of Service in MongoDB Server

CVSS 8.7 HIGHEPSS 0.8%CWE-405
A series of specifically crafted, unauthenticated messages can exhaust available memory and crash a MongoDB server.
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
Affected products
MongoDB Inc · MongoDB Server

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References
https://jira.mongodb.org/browse/SERVER-116206https://jira.mongodb.org/browse/SERVER-116210https://jira.mongodb.org/browse/SERVER-116211