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CVE Vulnerability Details :
CVE-2026-26932
PUBLISHED
More InfoOfficial Page
Assigner-elastic
Assigner Org ID-271b6943-45a9-4f3a-ab4e-976f3fa05b5a
View Known Exploited Vulnerability (KEV) details
Published At-26 Feb, 2026 | 16:59
Updated At-26 Feb, 2026 | 18:28
Rejected At-
▼CVE Numbering Authority (CNA)
Improper Validation of Array Index in Packetbeat Leading to Denial of Service

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
Vendor
Elasticsearch BVElastic
Product
Packetbeat
Default Status
unaffected
Versions
Affected
  • From 9.0.0 through 9.2.4 (semver)
  • From 8.0.0 through 8.19.10 (semver)
Problem Types
TypeCWE IDDescription
CWECWE-129CWE-129 Improper Validation of Array Index
Type: CWE
CWE ID: CWE-129
Description: CWE-129 Improper Validation of Array Index
Metrics
VersionBase scoreBase severityVector
3.15.7MEDIUM
CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Version: 3.1
Base score: 5.7
Base severity: MEDIUM
Vector:
CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Metrics Other Info
Impacts
CAPEC IDDescription
CAPEC-153CAPEC-153 Input Data Manipulation
CAPEC ID: CAPEC-153
Description: CAPEC-153 Input Data Manipulation
Solutions
Configurations
Workarounds
Exploits
Credits
reporter
giant_anteater
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
https://discuss.elastic.co/t/packetbeat-8-19-11-9-2-5-security-update-esa-2026-10/385247
N/A
Hyperlink: https://discuss.elastic.co/t/packetbeat-8-19-11-9-2-5-security-update-esa-2026-10/385247
Resource: N/A
▼Authorized Data Publishers (ADP)
CISA ADP Vulnrichment
Affected Products
Metrics
VersionBase scoreBase severityVector
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions
Configurations
Workarounds
Exploits
Credits
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
Details not found