HOMEVULNERABILITIESCVE-2026-26932
MEDIUM

CVE-2026-26932

CWE-129Published: February 26, 2026· Updated: Feb 27, 2026

5.7
CVSS v3.1
EPSS:0.01%probability of exploitation in 30 daysPercentile:0.8th

Official 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.

NVD Source

Technical Analysis

CVE-2026-26932 requires adjacent network access, limiting remote exploitation but still posing risk in shared or local network environments.

Exploitation requires low privileges, which limits the exposure to scenarios where an attacker has already gained initial access.

A successful exploit results in availability disruption (denial of service), with a CVSS base score of 5.7.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorAdjacent
Attack ComplexityLow
Privileges Req.Low
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityNone
IntegrityNone
AvailabilityHigh
CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Affected Vendors & Products

Mentioned vendors (from description):
Go
CPE data not yet available in NVD for this CVE.

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
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All References (1)

→
https://discuss.elastic.co/t/packetbeat-8-19-11-9-2-5-security-update-esa-2026-10/385247

Quick Facts

CVE IDCVE-2026-26932
CVSS Score5.7 / 10
SeverityMEDIUM
WeaknessCWE-129
CISA KEVNo
EPSS (30d)0.01%
PublishedFeb 26, 2026

Related CVEs (CWE-129)

CVE-2026-21413
9.8
CVE-2026-56111
9.1
CVE-2026-25276
8.8
CVE-2026-3083
8.8
CVE-2026-2006
8.8
CVE-2026-57267
8.3

Recommended Actions

  • →Apply vendor patches immediately
  • →Monitor CVE-2026-26932 in threat intel feeds
  • →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.
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