Vulnerability-Lookup

CVE-2026-68955 (GCVE-0-2026-68955)

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

Summary

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

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	CPE status
Rakuten Kobo Inc.	The installer for Rakuten Kobo Desktop Application (Windows version)	Affected: Versions distributed before 2026-07-15.	guessed

Show details on NVD website

JSON

To clipboard

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                "timestamp": "2026-09-14T11:10:23.013263Z",
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          "url": "https://jvn.jp/en/jp/JVN18593874/"
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FKIE_CVE-2026-68955

Vulnerability from fkie_nvd - Published: 2026-09-14 07:17 - Updated: 2026-09-14 12:17

Severity

7.8 (High) - CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Summary

References

	URL	Tags
	vultures@jpcert.or.jp	https://help.kobo.com/hc/en-us/articles/42294089837463-Security-Advisory-Kobo-Desktop-App-Installer
	vultures@jpcert.or.jp	https://jvn.jp/en/jp/JVN18593874/

Impacted products

	Vendor	Product	Version

JSON

To clipboard

{
  "affected": [
    {
      "affectedData": [
        {
          "product": "The installer for Rakuten Kobo Desktop Application (Windows version)",
          "vendor": "Rakuten Kobo Inc.",
          "versions": [
            {
              "status": "affected",
              "version": "Versions distributed before 2026-07-15."
            }
          ]
        }
      ],
      "source": "vultures@jpcert.or.jp"
    }
  ],
  "cveTags": [],
  "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."
    }
  ],
  "id": "CVE-2026-68955",
  "lastModified": "2026-09-14T12:17:44.690",
  "metrics": {
    "cvssMetricV30": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "LOCAL",
          "availabilityImpact": "HIGH",
          "baseScore": 7.8,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "REQUIRED",
          "vectorString": "CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
          "version": "3.0"
        },
        "exploitabilityScore": 1.8,
        "impactScore": 5.9,
        "source": "vultures@jpcert.or.jp",
        "type": "Secondary"
      }
    ],
    "cvssMetricV40": [
      {
        "cvssData": {
          "Automatable": "NOT_DEFINED",
          "Recovery": "NOT_DEFINED",
          "Safety": "NOT_DEFINED",
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          "attackRequirements": "NONE",
          "attackVector": "LOCAL",
          "availabilityRequirement": "NOT_DEFINED",
          "baseScore": 8.4,
          "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": "ACTIVE",
          "valueDensity": "NOT_DEFINED",
          "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/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",
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          "vulnIntegrityImpact": "HIGH",
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        },
        "source": "vultures@jpcert.or.jp",
        "type": "Secondary"
      }
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          "options": [
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      "source": "vultures@jpcert.or.jp",
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    },
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  ]
}

GHSA-Q5V2-GXJ5-J2G5

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

Details

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

Show details on source website

JSON

To clipboard

{
  "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"
    }
  ]
}

JVNDB-2026-000110

Vulnerability from jvndb - Published: 2026-08-27 05:30 - Updated:2026-08-27 05:30

Severity

7.8 (High) - cvssV3_0 - CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Summary

Installer for Rakuten Kobo Desktop Application (Windows version) may insecurely load Dynamic Link Libraries

Details

The installer for Rakuten Kobo Desktop Application (Windows version) contains the following vulnerability in the DLL search path, which may lead to insecurely loading Dynamic Link Libraries.

Uncontrolled search path element (CWE-427) - CVE-2026-68955

Yukihiro Nakamura reported this vulnerability to IPA. JPCERT/CC coordinated with the developer under Information Security Early Warning Partnership.

References

Type

URL

	JVN	https://jvn.jp/en/jp/JVN18593874/index.html
	JVN	https://jvn.jp/en/ta/JVNTA91240916/
	CVE	https://www.cve.org/CVERecord?id=CVE-2026-68955
	No Mapping(CWE-Other)	https://www.ipa.go.jp/en/security/vulnerabilities/cwe.html

Impacted products

Vendor

Product

Rakuten Kobo Inc.

Rakuten Kobo desktop Application (Windows version)

Show details on JVN DB website

JSON

To clipboard

{
  "@rdf:about": "https://jvndb.jvn.jp/en/contents/2026/JVNDB-2026-000110.html",
  "dc:date": "2026-08-27T14:30+09:00",
  "dcterms:issued": "2026-08-27T14:30+09:00",
  "dcterms:modified": "2026-08-27T14:30+09:00",
  "description": "The installer for Rakuten Kobo Desktop Application (Windows version) contains the following vulnerability in the DLL search path, which may lead to insecurely loading Dynamic Link Libraries.\u003ca href=\u0027https://cwe.mitre.org/data/definitions/427.html\u0027 target=\u0027_blank\u0027\u003e\u003c/a\u003e\u003cul\u003e\u003cli\u003eUncontrolled search path element (CWE-427) - CVE-2026-68955\u003c/li\u003e\u003c/ul\u003eYukihiro Nakamura reported this vulnerability to IPA.\r\nJPCERT/CC coordinated with the developer under Information Security Early Warning Partnership.",
  "link": "https://jvndb.jvn.jp/en/contents/2026/JVNDB-2026-000110.html",
  "sec:cpe": {
    "#text": "cpe:/a:misc:rakuten_kobo_rakuten_kobo_desktop_app_windows_version",
    "@product": "Rakuten Kobo desktop Application (Windows version)",
    "@vendor": "Rakuten Kobo Inc.",
    "@version": "2.2"
  },
  "sec:cvss": {
    "@score": "7.8",
    "@severity": "High",
    "@type": "Base",
    "@vector": "CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
    "@version": "3.0"
  },
  "sec:identifier": "JVNDB-2026-000110",
  "sec:references": [
    {
      "#text": "https://jvn.jp/en/jp/JVN18593874/index.html",
      "@id": "JVN#18593874",
      "@source": "JVN"
    },
    {
      "#text": "https://jvn.jp/en/ta/JVNTA91240916/",
      "@id": "JVNTA#91240916",
      "@source": "JVN"
    },
    {
      "#text": "https://www.cve.org/CVERecord?id=CVE-2026-68955",
      "@id": "CVE-2026-68955",
      "@source": "CVE"
    },
    {
      "#text": "https://www.ipa.go.jp/en/security/vulnerabilities/cwe.html",
      "@id": "CWE-Other",
      "@title": "No Mapping(CWE-Other)"
    }
  ],
  "title": "Installer for Rakuten Kobo Desktop Application (Windows version) may insecurely load Dynamic Link Libraries"
}

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-2026-68955 (GCVE-0-2026-68955)

FKIE_CVE-2026-68955

GHSA-Q5V2-GXJ5-J2G5

JVNDB-2026-000110

Tags

Sightings

Nomenclature

Related by attack behaviour