Mend.io Vulnerability Database
The largest open source vulnerability database
What is a Vulnerability ID?
New vulnerability? Tell us about it!
CVE-2026-0529
January 14, 2026
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 Packages
https://github.com/elastic/beats.git (GITHUB):
Affected version(s) >=v9.0.0 <v9.1.10
Fix Suggestion:
Update to version v9.1.10
https://github.com/elastic/beats.git (GITHUB):
Affected version(s) >=v8.0.0 <v8.19.10
Fix Suggestion:
Update to version v8.19.10
https://github.com/elastic/beats.git (GITHUB):
Affected version(s) >=v9.2.0 <v9.2.4
Fix Suggestion:
Update to version v9.2.4
Do you need more information?
Contact Us
CVSS v4
Base Score:
7.1
Attack Vector
ADJACENT
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
NONE
User Interaction
NONE
Vulnerable System Confidentiality
NONE
Vulnerable System Integrity
NONE
Vulnerable System Availability
HIGH
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
6.5
Attack Vector
ADJACENT
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Weakness Type (CWE)
Improper Validation of Array Index
EPSS
Base Score:
0.03