Vulnerability-Lookup

GHSA-J8FW-422F-28H7

Vulnerability from github – Published: 2026-01-08 06:31 – Updated: 2026-01-08 06:31

Details

The installers for multiple products provided by PIONEER CORPORATION contain an issue with the DLL search path, which may lead to insecurely loading Dynamic Link Libraries. As a result, arbitrary code may be executed with the privileges of the running installer.

Severity ?

7.8 (High)


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

8.5 (High)


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

Show details on source website

JSON

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{
  "affected": [],
  "aliases": [
    "CVE-2026-21427"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-427"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-01-08T04:15:56Z",
    "severity": "HIGH"
  },
  "details": "The installers for multiple products provided by PIONEER CORPORATION contain an issue with the DLL search path, which may lead to insecurely loading Dynamic Link Libraries. As a result,  arbitrary code may be executed with the privileges of the running installer.",
  "id": "GHSA-j8fw-422f-28h7",
  "modified": "2026-01-08T06:31:32Z",
  "published": "2026-01-08T06:31:32Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-21427"
    },
    {
      "type": "WEB",
      "url": "https://jpn.pioneer/ja/support/software/stellanova/dac_driver"
    },
    {
      "type": "WEB",
      "url": "https://jvn.jp/en/jp/JVN17956874"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    },
    {
      "score": "CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:H/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"
    }
  ]
}

CVE-2026-21427 (GCVE-0-2026-21427)

Vulnerability from cvelistv5 – Published: 2026-01-08 04:12 – Updated: 2026-01-08 15:52 Unsupported When Assigned

Summary

Severity ?

7.8 (High)


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

8.5 (High)


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

CWE

CWE-427 - Uncontrolled Search Path Element

Assigner

jpcert

References

URL

Tags

	https://jpn.pioneer/ja/support/software/stellanov…
	https://jvn.jp/en/jp/JVN17956874/

Impacted products

Vendor

Product

Version

PIONEER CORPORATION

USB DAC Amplifier APS-DA101JS

Affected: all versions

PIONEER CORPORATION	USB DAC Amplifier APS-DA101JR	Affected: all versions
PIONEER CORPORATION	USB DAC Amplifier APS-DA101JGL	Affected: all versions
PIONEER CORPORATION	USB DAC Amplifier APS-DA101JGR	Affected: all versions
PIONEER CORPORATION	Stellanova Lite APS-S201JS	Affected: all versions
PIONEER CORPORATION	Stellanova Lite APS-S201JR	Affected: all versions
PIONEER CORPORATION	Stellanova Lite APS-S201JGL	Affected: all versions
PIONEER CORPORATION	Stellanova Lite APS-S201JGR	Affected: all versions
PIONEER CORPORATION	Stelllanova Limited APS-S202J-LM	Affected: all versions
PIONEER CORPORATION	Stelllanova APS-S301 series	Affected: all versions

Show details on NVD website

JSON

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{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2026-21427",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "total"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-01-08T15:52:49.936381Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2026-01-08T15:52:56.950Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "USB DAC Amplifier APS-DA101JS",
          "vendor": "PIONEER CORPORATION",
          "versions": [
            {
              "status": "affected",
              "version": "all versions"
            }
          ]
        },
        {
          "product": "USB DAC Amplifier APS-DA101JR",
          "vendor": "PIONEER CORPORATION",
          "versions": [
            {
              "status": "affected",
              "version": "all versions"
            }
          ]
        },
        {
          "product": "USB DAC Amplifier APS-DA101JGL",
          "vendor": "PIONEER CORPORATION",
          "versions": [
            {
              "status": "affected",
              "version": "all versions"
            }
          ]
        },
        {
          "product": "USB DAC Amplifier APS-DA101JGR",
          "vendor": "PIONEER CORPORATION",
          "versions": [
            {
              "status": "affected",
              "version": "all versions"
            }
          ]
        },
        {
          "product": "Stellanova Lite APS-S201JS",
          "vendor": "PIONEER CORPORATION",
          "versions": [
            {
              "status": "affected",
              "version": "all versions"
            }
          ]
        },
        {
          "product": "Stellanova Lite APS-S201JR",
          "vendor": "PIONEER CORPORATION",
          "versions": [
            {
              "status": "affected",
              "version": "all versions"
            }
          ]
        },
        {
          "product": "Stellanova Lite APS-S201JGL",
          "vendor": "PIONEER CORPORATION",
          "versions": [
            {
              "status": "affected",
              "version": "all versions"
            }
          ]
        },
        {
          "product": "Stellanova Lite APS-S201JGR",
          "vendor": "PIONEER CORPORATION",
          "versions": [
            {
              "status": "affected",
              "version": "all versions"
            }
          ]
        },
        {
          "product": "Stelllanova Limited APS-S202J-LM",
          "vendor": "PIONEER CORPORATION",
          "versions": [
            {
              "status": "affected",
              "version": "all versions"
            }
          ]
        },
        {
          "product": "Stelllanova APS-S301 series",
          "vendor": "PIONEER CORPORATION",
          "versions": [
            {
              "status": "affected",
              "version": "all versions"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "The installers for multiple products provided by PIONEER CORPORATION contain an issue with the DLL search path, which may lead to insecurely loading Dynamic Link Libraries. As a result,  arbitrary code may be executed with the privileges of the running installer."
        }
      ],
      "metrics": [
        {
          "cvssV3_0": {
            "baseScore": 7.8,
            "baseSeverity": "HIGH",
            "vectorString": "CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
            "version": "3.0"
          },
          "format": "CVSS",
          "scenarios": [
            {
              "lang": "en-US",
              "value": "GENERAL"
            }
          ]
        },
        {
          "cvssV4_0": {
            "baseScore": 8.5,
            "baseSeverity": "HIGH",
            "vectorString": "CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N",
            "version": "4.0"
          },
          "format": "CVSS",
          "scenarios": [
            {
              "lang": "en-US",
              "value": "GENERAL"
            }
          ]
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-427",
              "description": "Uncontrolled Search Path Element",
              "lang": "en-US",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-01-08T04:12:21.781Z",
        "orgId": "ede6fdc4-6654-4307-a26d-3331c018e2ce",
        "shortName": "jpcert"
      },
      "references": [
        {
          "url": "https://jpn.pioneer/ja/support/software/stellanova/dac_driver/"
        },
        {
          "url": "https://jvn.jp/en/jp/JVN17956874/"
        }
      ],
      "tags": [
        "unsupported-when-assigned"
      ]
    }
  },
  "cveMetadata": {
    "assignerOrgId": "ede6fdc4-6654-4307-a26d-3331c018e2ce",
    "assignerShortName": "jpcert",
    "cveId": "CVE-2026-21427",
    "datePublished": "2026-01-08T04:12:21.781Z",
    "dateReserved": "2025-12-25T00:23:40.578Z",
    "dateUpdated": "2026-01-08T15:52:56.950Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}

Sightings

Author	Source	Type	Date

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.

Action not permitted

GHSA-J8FW-422F-28H7

CVE-2026-21427 (GCVE-0-2026-21427)

Tags

Sightings

Nomenclature