NetSight
medium5.7

CVE-2026-26932

Improper Validation of Array Index (CWE-129) in the PostgreSQL protocol parser in Packetbeat can lead Denial of Service via Input Data Manipulation (CAPEC-153).

Impact

Improper Validation of Array Index (CWE-129) in the PostgreSQL protocol parser in Packetbeat can lead Denial of Service via Input Data Manipulation (CAPEC-153). An attacker can send a specially crafted packet causing a Go runtime panic that terminates the Packetbeat process. This vulnerability requires the pgsql protocol to be explicitly enabled and configured to monitor traffic on the targeted port.

Affected products

VendorProductAffected versions
ElasticsearchPacketbeat
from 8.0.0 before 8.19.11
from 9.0.0 before 9.2.5

Weakness classification

References