CVE-2026-26932

Summary

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 Software

VendorProductVersion RangeStatus
ElasticPacketbeat9.0.0 <= 9.2.4affected
ElasticPacketbeat8.0.0 <= 8.19.10affected

Weaknesses

  • CWE-129: CWE-129 Improper Validation of Array Index

ADP Enrichment

CISA ADP Vulnrichment

  • SSVC:
  • Exploitation: none
    • Automatable: no
    • Technical Impact: partial

References