Intel

CVE-2026-44091

Ein nicht authentifizierter Fernangreifer kann einen bösartigen ID an den MQTT-Broker senden, was zur Erstellung eines neuen Konfiguratio…

criticalEPSS 0.6%

Description

An unauthenticated remote attacker can post a malicious ID to the MQTT Broker results in the creation of a new configuration entry in the system configuration. This may lead to integrity and availability loss.

Source: cvelistv5NVD (NIST)

Metrics

XIEM Effective CVSS
9.1
Source: nvd-v3
EPSS percentile
46.5 %
High — this CVE ranks above the median of all CVEs scored today (rank ≥ 36%).
KEV status
—
Show all metrics
Severity
critical
Priority score
86.44
Exploit maturity
no public PoC known
CVSS v3
9.1
CVSS v4
8.8
EPSS score
0.6 %
Low — model estimates < 1% exploitation likelihood.
Published
2026-07-30 06:47 UTC
CWE
CWE-501

Weakness classes (CWE)

  • CWE-501Base

    Trust Boundary Violation

    The product mixes trusted and untrusted data in the same data structure or structured message.

    cwe.mitre.org →

References & sources

Reanalysis & status changes

Chronological NVD audit events for this CVE — reanalyses, CVSS updates, CPE diffs.

  1. CVE Modified2026-07-31 23:17 UTC· 134c704f-9b21-4f2e-91b3-4a467353bcc0
    • SSVC: {"id":"CVE-2026-44091","role":"CISA Coordinator","options":[{"exploitation":"none"},{"automatable":"yes"},{"technical…
  2. New CVE Received2026-07-30 07:16 UTC· info@cert.vde.com
    • Affected: CHARX SEC-3150, CHARX SEC-3100, CHARX SEC-3050 (+1)
    • Description: An unauthenticated remote attacker can post a malicious ID to the MQTT Broker results in the creation of a new configuration entry in the system configuration. This may lead to integrity and availability loss.
    • CVSS V4.0: AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
    • CVSS V3.1: AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H

Linked advisories