CVE-2026-1847

MEDIUM
2026-02-10 [email protected]
6.5
CVSS 3.1
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CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High

Lifecycle Timeline

2
Analysis Generated
Mar 12, 2026 - 22:02 vuln.today
CVE Published
Feb 10, 2026 - 19:15 nvd
MEDIUM 6.5

Tags

Denial Of Service MongoDB

Description

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.

Analysis

MongoDB replica set replication can be disrupted when oversized documents are inserted, preventing secondaries from synchronizing oplog entries with the primary and potentially causing server crashes. Authenticated users with write access can trigger this denial of service condition to destabilize replica set availability. …

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Remediation

Within 30 days: Identify affected systems and apply vendor patches as part of regular patch cycle. Monitor vendor channels for patch availability.

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Priority Score

33
Low Medium High Critical
KEV: 0
EPSS: +0.0
CVSS: +32
POC: 0

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CVE-2026-1847 vulnerability details – vuln.today
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