CVE-2026-1847
highpriority · track · 30EPSS 0.003 · 21 %ileDEEURUUSEPSS · scored 2026-10-27
Inserting certain large documents into a replica set could lead to replica set secondaries not being able to fetch the oplog from the primary. This could stall replication inside the replica set leading to server crash.
cvss
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 4.9–7.5
ssvc
A stakeholder decision — act, attend, or track — from exploitation and impact.
weaknesses
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affected products (14)
Products and version ranges known to be affected.
advisories (2)
Vendor and ecosystem advisories describing this.
- WID-SEC-W-2026-0386MongoDB Server, Go Driver, Ruby Driver: Mehrere SchwachstellenDeutsch2026-02-10csaf · cert_bundDE
Ein entfernter, anonymer oder authentisierter Angreifer kann mehrere Schwachstellen in MongoDB ausnutzen, um beliebigen Ruby-Code auszuführen, die Autorisierung zu umgehen, einen Denial-of-Service-Zustand zu verursachen, vertrauliche Informationen offenzulegen oder nicht näher spezifizierte Auswirkungen zu verursachen.
- BIT-mongodb-2026-1847MongoDB Server may crash when inserting large documents2026-02-26vendor · osvUS
Inserting certain large documents into a replica set could lead to replica set secondaries not being able to fetch the oplog from the primary. This could stall replication inside the replica set leading to server crash.
also known as (4)
Other names and identifiers for this entity.
sources
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references (4)
External citations — patches, advisories, analysis.
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