Vulnerability-Lookup

CVE-2026-44091 (GCVE-0-2026-44091)

Vulnerability from cvelistv5 – Published: 2026-07-30 06:47 – Updated: 2026-07-31 22:44

Title

Creation of a new configuration by posting a malicious ID to MQTT

Summary

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.

Severity

8.8 (High)


                        
                          CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N

9.1 (Critical)


                        
                          CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H

SSVC

Exploitation: none Automatable: yes Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-07-31 22:43 UTC

CWE

CWE-501 - Trust Boundary Violation

Assigner

CERTVDE icscert root

References

1 reference

URL	Tags
https://www.certvde.com/en/advisories/VDE-2026-008/

Impacted products

4 products

Vendor	Product	Version	CPE status
Phoenix Contact	CHARX SEC-3150	Affected: 1.0.0 , < 1.9.1 (semver)	guessed
Phoenix Contact	CHARX SEC-3100	Affected: 1.0.0 , < 1.9.1 (semver)	guessed
Phoenix Contact	CHARX SEC-3050	Affected: 1.0.0 , < 1.9.1 (semver)	guessed
Phoenix Contact	CHARX SEC-3000	Affected: 1.0.0 , < 1.9.1 (semver)	guessed

Credits

ZDI

Show details on NVD website

JSON

To clipboard

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FKIE_CVE-2026-44091

Vulnerability from fkie_nvd - Published: 2026-07-30 07:16 - Updated: 2026-07-31 23:17

Severity

9.1 (Critical) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H

Summary

References

	URL	Tags
	info@cert.vde.com	https://www.certvde.com/en/advisories/VDE-2026-008/

Impacted products

	Vendor	Product	Version

JSON

To clipboard

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  "lastModified": "2026-07-31T23:17:23.707",
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          "availabilityRequirement": "NOT_DEFINED",
          "baseScore": 8.8,
          "baseSeverity": "HIGH",
          "confidentialityRequirement": "NOT_DEFINED",
          "exploitMaturity": "NOT_DEFINED",
          "integrityRequirement": "NOT_DEFINED",
          "modifiedAttackComplexity": "NOT_DEFINED",
          "modifiedAttackRequirements": "NOT_DEFINED",
          "modifiedAttackVector": "NOT_DEFINED",
          "modifiedPrivilegesRequired": "NOT_DEFINED",
          "modifiedSubAvailabilityImpact": "NOT_DEFINED",
          "modifiedSubConfidentialityImpact": "NOT_DEFINED",
          "modifiedSubIntegrityImpact": "NOT_DEFINED",
          "modifiedUserInteraction": "NOT_DEFINED",
          "modifiedVulnAvailabilityImpact": "NOT_DEFINED",
          "modifiedVulnConfidentialityImpact": "NOT_DEFINED",
          "modifiedVulnIntegrityImpact": "NOT_DEFINED",
          "privilegesRequired": "NONE",
          "providerUrgency": "NOT_DEFINED",
          "subAvailabilityImpact": "NONE",
          "subConfidentialityImpact": "NONE",
          "subIntegrityImpact": "NONE",
          "userInteraction": "NONE",
          "valueDensity": "NOT_DEFINED",
          "vectorString": "CVSS:4.0/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",
          "version": "4.0",
          "vulnAvailabilityImpact": "HIGH",
          "vulnConfidentialityImpact": "NONE",
          "vulnIntegrityImpact": "HIGH",
          "vulnerabilityResponseEffort": "NOT_DEFINED"
        },
        "source": "info@cert.vde.com",
        "type": "Secondary"
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2026-44091",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "yes"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "role": "CISA Coordinator",
          "timestamp": "2026-07-31T22:43:51.147978Z",
          "version": "2.0.3"
        }
      }
    ]
  },
  "published": "2026-07-30T07:16:56.963",
  "references": [
    {
      "source": "info@cert.vde.com",
      "url": "https://www.certvde.com/en/advisories/VDE-2026-008/"
    }
  ],
  "sourceIdentifier": "info@cert.vde.com",
  "vulnStatus": "Deferred",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-501"
        }
      ],
      "source": "info@cert.vde.com",
      "type": "Secondary"
    }
  ]
}

GHSA-PWF7-5XMC-7X99

Vulnerability from github – Published: 2026-07-30 09:31 – Updated: 2026-07-30 09:31

Details

Severity

9.1 (Critical)


                  
                    CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H

8.8 (High)


                  
                    CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N

Show details on source website

JSON

To clipboard

{
  "affected": [],
  "aliases": [
    "CVE-2026-44091"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-501"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-07-30T07:16:56Z",
    "severity": "HIGH"
  },
  "details": "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.",
  "id": "GHSA-pwf7-5xmc-7x99",
  "modified": "2026-07-30T09:31:17Z",
  "published": "2026-07-30T09:31:17Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-44091"
    },
    {
      "type": "WEB",
      "url": "https://www.certvde.com/en/advisories/VDE-2026-008"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H",
      "type": "CVSS_V3"
    },
    {
      "score": "CVSS:4.0/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",
      "type": "CVSS_V4"
    }
  ]
}

VDE-2026-008

Vulnerability from csaf_phoenixcontactgmbhcokg - Published: 2026-07-30 10:00 - Updated: 2026-07-30 10:00

Summary

Phoenix Contact: Multiple vulnerabilities in the firmware of CHARX SEC3xxx charging controllers

Severity

Critical

Scope

20 vulnerabilities in this advisory, including CVE-2026-44091.

CVE-2026-44091

9.1 (Critical)


                
                  CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H

Fixed: 4 products Known affected: 4 products

Open the full advisory

Sightings

Author	Source	Type	Date	Other

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Detection rules are retrieved from Rulezet.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.

Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.

Action not permitted

CVE-2026-44091 (GCVE-0-2026-44091)

FKIE_CVE-2026-44091

GHSA-PWF7-5XMC-7X99

VDE-2026-008

Tags

Sightings

Nomenclature

Related by attack behaviour