What’s Vulnerable › Vulnerabilities
CVE-2026-0529: Improper Validation of Array Index in Packetbeat Leading to Overflow Buffers
- Severity: medium (CVSS 6.5 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 0.2% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2026-01-14 · updated 2026-06-17
- Weakness: CWE-129
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.
Affected products
- Elastic Packetbeat: from 7.0.0 through 7.17.29; from 8.0.0 through 8.19.9; from 9.0.0 through 9.1.9; from 9.2.0 through 9.2.3
References
Get alerted when CVE-2026-0529 or the next vulnerability affects your stack