CVE-2026-26932CWE-129

Improper Validation of Array Index in Packetbeat Leading to Denial of Service

Medium · published February 26, 2026

CVSS v3.1
5.7
EPSS
1%
Percentile
51.7
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
5.7 · MEDIUM
Vector
CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CVSS v4.0
Not supplied
EPSS
0.00675 · 51.7th percentile
Weakness
CWE-129 · Improper Validation of Array Index
Published
2026-02-26T16:59Z
EPSS history
Timeline
  • 26 FEB 16:59Z
    Improper Validation of Array Index in Packetbeat Leading to Denial of Service
    cvelistv5