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CVE-2026-26932

nvd nist
Published: Feb 26, 2026Modified: Jun 17, 2026

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7.5
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Exploitability: 3.9 / Impact: 3.6
Source: NVD

Description

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 (2)

Elasticsearch
1 product
Packetbeat
Configuration A
2 vulnerable
Vulnerable SoftwareAffected Versions
Elasticsearch
Packetbeat
From 8.0.0 to 8.19.11
Packetbeat
From 9.0.0 to 9.2.5

Related CWEs

CWE-129
Improper Validation of Array Index
The product uses untrusted input when calculating or using an array index, but the product does not validate or incorrectly validates the index to ensure the index references a valid position within the array.

References (1)

Source: security@elastic.co
Vendor Advisory

Timeline

No history available yet.