SB20260113104 - Remote denial of service in Elastic Packetbeat
Published: January 13, 2026
Security Bulletin ID
SB20260113104
CSH Severity
Medium
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Adjecent network
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Improper Validation of Array Index (CVE-ID: CVE-2026-0529)
CWE-ID: CWE-129 - Improper Validation of Array Index
CVSSv4: CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
The vulnerability allows a remote attacker to perform a denial of service attack.
The vulnerability exists due to improper input validation in Packetbeat’s MongoDB protocol parser. A remote attacker can send a malformed payload to a monitored network interface where MongoDB protocol parsing is enabled and perform a denial of service attack.
Remediation
Install update from vendor's website.