CVE-2026-0529

Medium

Description

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.

SeverityMedium
CVSS6.5
Exploit probability—
ProductPacketbeat
PublishedJan 14, 2026
First seenJan 14, 2026
Weakness typeCWE-129CWE-129

How to fix

Sources list no fixed version or patch link for this vulnerability.

Affected products

ProductAffected versionsFixed in
Elastic Packetbeat7.0.0 ≤ v ≤ 7.17.29, 8.0.0 ≤ v ≤ 8.19.9, 9.0.0 ≤ v ≤ 9.1.9, 9.2.0 ≤ v ≤ 9.2.3—

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CVE-2026-0529 · Packetbeat · Dark Radar