Vulnerability-Lookup

GHSA-Q5V2-GXJ5-J2G5

Vulnerability from github – Published: 2026-09-14 09:30 – Updated: 2026-09-14 09:30

Details

The installer for Rakuten Kobo Desktop Application (Windows version) insecurely loads Dynamic Link Libraries. If there is a crafted DLL at the same directory when invoking the affected installer, arbitrary code may be executed with the privileges of the user who performed the installation.

Severity

7.8 (High)


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

8.4 (High)


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

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JSON

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{
  "affected": [],
  "aliases": [
    "CVE-2026-68955"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-427"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-09-14T07:17:16Z",
    "severity": "HIGH"
  },
  "details": "The installer for Rakuten Kobo Desktop Application (Windows version) insecurely loads Dynamic Link Libraries. If there is a crafted DLL at the same directory when invoking the affected installer, arbitrary code may be executed with the privileges of the user who performed the installation.",
  "id": "GHSA-q5v2-gxj5-j2g5",
  "modified": "2026-09-14T09:30:59Z",
  "published": "2026-09-14T09:30:59Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-68955"
    },
    {
      "type": "WEB",
      "url": "https://help.kobo.com/hc/en-us/articles/42294089837463-Security-Advisory-Kobo-Desktop-App-Installer"
    },
    {
      "type": "WEB",
      "url": "https://jvn.jp/en/jp/JVN18593874"
    }
  ],
  "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:A/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-2026-68955 (GCVE-0-2026-68955)

Vulnerability from cvelistv5 – Published: 2026-09-14 06:35 – Updated: 2026-09-14 11:19

Summary

Severity

7.8 (High)


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

8.4 (High)


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

SSVC

Exploitation: none Automatable: no Technical Impact: total

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-09-14 11:10 UTC

CWE

CWE-427 - Uncontrolled Search Path Element

Assigner

jpcert jpcert root

References

2 references

URL	Tags
https://help.kobo.com/hc/en-us/articles/422940898…
https://jvn.jp/en/jp/JVN18593874/

Impacted products

1 product

Vendor	Product	Version
Rakuten Kobo Inc.	The installer for Rakuten Kobo Desktop Application (Windows version)	Affected: Versions distributed before 2026-07-15.

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JSON

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{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2026-68955",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "total"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-09-14T11:10:23.013263Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2026-09-14T11:19:50.502Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "The installer for Rakuten Kobo Desktop Application (Windows version)",
          "vendor": "Rakuten Kobo Inc.",
          "versions": [
            {
              "status": "affected",
              "version": "Versions distributed before 2026-07-15."
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "The installer for Rakuten Kobo Desktop Application (Windows version) insecurely loads Dynamic Link Libraries. If there is a crafted DLL at the same directory when invoking the affected installer, arbitrary code may be executed with the privileges of the user who performed the installation."
        }
      ],
      "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": 8.4,
            "baseSeverity": "HIGH",
            "vectorString": "CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N",
            "version": "4.0"
          },
          "format": "CVSS",
          "scenarios": [
            {
              "lang": "en-US",
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            }
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      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-427",
              "description": "Uncontrolled Search Path Element",
              "lang": "en-US",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-09-14T06:35:43.433Z",
        "orgId": "ede6fdc4-6654-4307-a26d-3331c018e2ce",
        "shortName": "jpcert"
      },
      "references": [
        {
          "url": "https://help.kobo.com/hc/en-us/articles/42294089837463-Security-Advisory-Kobo-Desktop-App-Installer"
        },
        {
          "url": "https://jvn.jp/en/jp/JVN18593874/"
        }
      ]
    }
  },
  "cveMetadata": {
    "assignerOrgId": "ede6fdc4-6654-4307-a26d-3331c018e2ce",
    "assignerShortName": "jpcert",
    "cveId": "CVE-2026-68955",
    "datePublished": "2026-09-14T06:35:43.433Z",
    "dateReserved": "2026-08-04T12:25:41.796Z",
    "dateUpdated": "2026-09-14T11:19:50.502Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}

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.