CVE-2026-0529 — Improper Validation of Array Index in Packetbeat

CWE-129 — Improper Validation of Array Index3 documents3 sources
Severity
6.5MEDIUMNVD
EPSS
0.0%
top 87.85%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
1
Elastic Packetbeat
Timeline
PublishedJan 14

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.

CVSS vector

CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HExploitability: 2.8 | Impact: 3.6

Affected Packages1 packages

▶CVEListV5elastic/packetbeat7.0.0 — 7.17.29+3

🔴Vulnerability Details

2
CVEList
Improper Validation of Array Index in Packetbeat Leading to Overflow Buffers↗2026-01-14
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GHSA
GHSA-c27p-chmh-jjv6: Improper Validation of Array Index (CWE-129) in Packetbeat’s MongoDB protocol parser can allow an attacker to cause Overflow Buffers (CAPEC-100) throu↗2026-01-14
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CVE-2026-0529 — Improper Validation of Array Index | cvebase