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MongoDB CVE-2026-0529

MEDIUM
Improper Validation of Array Index (CWE-129)
2026-01-14 security@elastic.co
MongoDB
6.5
CVSS 3.1
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CVSS VectorNVD

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

Lifecycle Timeline

2
Analysis Generated
Mar 12, 2026 - 21:54 vuln.today
CVE Published
Jan 14, 2026 - 10:16 nvd
MEDIUM 6.5

DescriptionNVD

Improper Validation of Array Index (CWE-129) in Packetbeat’s MongoDB protocol parser can allow an attacker to cause Overflow Buffers (CAPEC-100) through specially crafted network traffic. This requires an attacker to send a malformed payload to a monitored network interface where MongoDB protocol parsing is enabled.

AnalysisAI

Packetbeat's MongoDB protocol parser fails to properly validate array indices, enabling attackers to trigger buffer overflows via malformed network packets sent to monitored interfaces. Organizations running Packetbeat with MongoDB protocol parsing enabled could experience denial of service conditions when processing specially crafted traffic. …

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RemediationAI

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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CVE-2026-0529 vulnerability details – vuln.today
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