Vulnerability-Lookup

CVE-2026-19061 (GCVE-0-2026-19061)

Vulnerability from cvelistv5 – Published: 2026-08-06 17:00 – Updated: 2026-08-08 02:15

Title

Insta InstaKNXServiceApp Firmware Update CreateWebClientAndDownloadFileList data authenticity

Summary

A flaw has been found in Insta InstaKNXServiceApp 1.2.3.1469. Affected by this issue is the function CreateWebClientAndDownloadFileList of the component Firmware Update Handler. Executing a manipulation can lead to insufficient verification of data authenticity. It is possible to launch the attack remotely. Attacks of this nature are highly complex. The exploitation is known to be difficult. The vendor was contacted early about this disclosure but did not respond in any way.

Severity

6.3 (Medium)


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

3.7 (Low)


                        
                          CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N/E:X/RL:X/RC:R

3.7 (Low)


                        
                          CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N/E:X/RL:X/RC:R

SSVC

Exploitation: none Automatable: no Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-08-08 02:14 UTC

CWE

CWE-345 - Insufficient Verification of Data Authenticity

Assigner

VulDB

References

5 references

URL	Tags
https://vuldb.com/vuln/386531	vdb-entrytechnical-description
https://vuldb.com/vuln/386531/cti	signaturepermissions-required
https://vuldb.com/cve/CVE-2026-19061	third-party-advisory
https://vuldb.com/submit/864343	third-party-advisory
https://gist.github.com/isZzzz/f9da7d76cf2f7b93ec…	broken-link

Impacted products

1 product

Vendor	Product	Version
Insta	InstaKNXServiceApp	Affected: 1.2.3.1469 cpe:2.3:a:insta:instaknxserviceapp::::::::

Credits

isZzzzz (VulDB User) VulDB CNA Team

Show details on NVD website

JSON

To clipboard

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                "id": "CVE-2026-19061",
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}

FKIE_CVE-2026-19061

Vulnerability from fkie_nvd - Published: 2026-08-06 22:16 - Updated: 2026-08-12 21:00

Severity

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

Summary

References

	URL	Tags
	cna@vuldb.com	https://gist.github.com/isZzzz/f9da7d76cf2f7b93ec3f90efe17ed323
	cna@vuldb.com	https://vuldb.com/cve/CVE-2026-19061
	cna@vuldb.com	https://vuldb.com/submit/864343
	cna@vuldb.com	https://vuldb.com/vuln/386531
	cna@vuldb.com	https://vuldb.com/vuln/386531/cti

Impacted products

	Vendor	Product	Version

JSON

To clipboard

{
  "affected": [
    {
      "affectedData": [
        {
          "cpes": [
            "cpe:2.3:a:insta:instaknxserviceapp:*:*:*:*:*:*:*:*"
          ],
          "modules": [
            "Firmware Update Handler"
          ],
          "product": "InstaKNXServiceApp",
          "vendor": "Insta",
          "versions": [
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              "version": "1.2.3.1469"
            }
          ]
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    }
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  "id": "CVE-2026-19061",
  "lastModified": "2026-08-12T21:00:37.147",
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        "obtainOtherPrivilege": false,
        "obtainUserPrivilege": false,
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        "type": "Secondary",
        "userInteractionRequired": false
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          "confidentialityImpact": "NONE",
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          "version": "3.1"
        },
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        "impactScore": 1.4,
        "source": "cna@vuldb.com",
        "type": "Secondary"
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    ],
    "cvssMetricV40": [
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        "cvssData": {
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          "Recovery": "NOT_DEFINED",
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          "baseSeverity": "MEDIUM",
          "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",
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          "subAvailabilityImpact": "NONE",
          "subConfidentialityImpact": "NONE",
          "subIntegrityImpact": "NONE",
          "userInteraction": "NONE",
          "valueDensity": "NOT_DEFINED",
          "vectorString": "CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/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": "NONE",
          "vulnConfidentialityImpact": "NONE",
          "vulnIntegrityImpact": "LOW",
          "vulnerabilityResponseEffort": "NOT_DEFINED"
        },
        "source": "cna@vuldb.com",
        "type": "Secondary"
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2026-19061",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "role": "CISA Coordinator",
          "timestamp": "2026-08-08T02:14:57.365266Z",
          "version": "2.0.3"
        }
      }
    ]
  },
  "published": "2026-08-06T22:16:53.253",
  "references": [
    {
      "source": "cna@vuldb.com",
      "url": "https://gist.github.com/isZzzz/f9da7d76cf2f7b93ec3f90efe17ed323"
    },
    {
      "source": "cna@vuldb.com",
      "url": "https://vuldb.com/cve/CVE-2026-19061"
    },
    {
      "source": "cna@vuldb.com",
      "url": "https://vuldb.com/submit/864343"
    },
    {
      "source": "cna@vuldb.com",
      "url": "https://vuldb.com/vuln/386531"
    },
    {
      "source": "cna@vuldb.com",
      "url": "https://vuldb.com/vuln/386531/cti"
    }
  ],
  "sourceIdentifier": "cna@vuldb.com",
  "vulnStatus": "Deferred",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-345"
        }
      ],
      "source": "cna@vuldb.com",
      "type": "Secondary"
    }
  ]
}

GHSA-V442-3W5Q-C7M5

Vulnerability from github – Published: 2026-08-07 00:31 – Updated: 2026-08-07 00:31

Details

Severity

3.7 (Low)


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

6.3 (Medium)


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

Show details on source website

JSON

To clipboard

{
  "affected": [],
  "aliases": [
    "CVE-2026-19061"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-345"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-08-06T22:16:53Z",
    "severity": "MODERATE"
  },
  "details": "A flaw has been found in Insta InstaKNXServiceApp 1.2.3.1469. Affected by this issue is the function CreateWebClientAndDownloadFileList of the component Firmware Update Handler. Executing a manipulation can lead to insufficient verification of data authenticity. It is possible to launch the attack remotely. Attacks of this nature are highly complex. The exploitation is known to be difficult. The vendor was contacted early about this disclosure but did not respond in any way.",
  "id": "GHSA-v442-3w5q-c7m5",
  "modified": "2026-08-07T00:31:15Z",
  "published": "2026-08-07T00:31:15Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-19061"
    },
    {
      "type": "WEB",
      "url": "https://gist.github.com/isZzzz/f9da7d76cf2f7b93ec3f90efe17ed323"
    },
    {
      "type": "WEB",
      "url": "https://vuldb.com/cve/CVE-2026-19061"
    },
    {
      "type": "WEB",
      "url": "https://vuldb.com/submit/864343"
    },
    {
      "type": "WEB",
      "url": "https://vuldb.com/vuln/386531"
    },
    {
      "type": "WEB",
      "url": "https://vuldb.com/vuln/386531/cti"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N",
      "type": "CVSS_V3"
    },
    {
      "score": "CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/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"
    }
  ]
}

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.

Action not permitted

CVE-2026-19061 (GCVE-0-2026-19061)

FKIE_CVE-2026-19061

GHSA-V442-3W5Q-C7M5

Tags

Sightings

Nomenclature