CVE-2026-1849

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

MongoDB

Description

MongoDB Server may experience an out-of-memory failure while evaluating expressions that produce deeply nested documents. The issue arises in recursive functions because the server does not periodically check the depth of the expression.

Analysis

MongoDB Server can be crashed via denial of service by authenticated users who craft expressions that generate deeply nested documents, exploiting missing recursion depth validation that causes out-of-memory failures. This vulnerability affects deployments where database access is granted to untrusted users and requires valid credentials to exploit. …

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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-2026-1849 vulnerability details – vuln.today
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