Golang
CVE-2026-26932
MEDIUM
Severity by source
AV:A/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Primary rating from NVD · only source for this CVE.
CVSS VectorNVD
CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Lifecycle Timeline
2DescriptionCVE.org
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.
AnalysisAI
Packetbeat's PostgreSQL protocol parser improperly validates array indices, allowing authenticated attackers on the same network to crash the monitoring service by sending malicious packets. An attacker exploiting this denial-of-service vulnerability can terminate the Packetbeat process, disrupting monitoring capabilities on systems with PostgreSQL protocol monitoring enabled. No patch is currently available.
Technical ContextAI
Classified as CWE-129 (Improper Validation of Array Index). Affects the Packetbeat can lead Denial of component of Packetbeat. 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.
RemediationAI
Monitor vendor advisories for a patch.
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Same weakness CWE-129 – Improper Validation of Array Index
View allSame technique Denial Of Service
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External POC / Exploit Code
Leaving vuln.today