Vulnerability-Lookup

GHSA-MCJH-PCFV-25RH

Vulnerability from github – Published: 2026-05-12 06:31 – Updated: 2026-05-12 06:31

Details

"Kura Sushi Official App" provided by EPG, Inc. is vulnerable to improper certificate validation. A man-in-the-middle attack may allow eavesdropping on, or altering, the communication on push notifications between the affected application and the relevant server.

Severity ?

7.4 (High)


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

9.1 (Critical)


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

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{
  "affected": [],
  "aliases": [
    "CVE-2026-41872"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-295"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-05-12T06:16:09Z",
    "severity": "CRITICAL"
  },
  "details": "\"Kura Sushi Official App\" provided by EPG, Inc. is vulnerable to improper certificate validation. A man-in-the-middle attack may allow eavesdropping on, or altering, the communication on push notifications between the affected application and the relevant server.",
  "id": "GHSA-mcjh-pcfv-25rh",
  "modified": "2026-05-12T06:31:39Z",
  "published": "2026-05-12T06:31:39Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-41872"
    },
    {
      "type": "WEB",
      "url": "https://apps.apple.com/jp/app/id942355925"
    },
    {
      "type": "WEB",
      "url": "https://jvn.jp/en/jp/JVN38632731"
    },
    {
      "type": "WEB",
      "url": "https://play.google.com/store/apps/details?id=jp.co.kura_corpo\u0026hl=ja"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N",
      "type": "CVSS_V3"
    },
    {
      "score": "CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/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"
    }
  ]
}

CVE-2026-41872 (GCVE-0-2026-41872)

Vulnerability from cvelistv5 – Published: 2026-05-12 05:21 – Updated: 2026-05-12 13:17

Summary

Severity ?

7.4 (High)


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

9.1 (Critical)


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

CWE

CWE-295 - Improper certificate validation

Assigner

jpcert

References

3 references

URL	Tags
https://play.google.com/store/apps/details?id=jp.…
https://apps.apple.com/jp/app/id942355925
https://jvn.jp/en/jp/JVN38632731/

Impacted products

2 products

Vendor	Product	Version
EPG, Inc.	"Kura Sushi Official App" for Android	Affected: from 2.0.11 to 3.9.10
EPG, Inc.	"Kura Sushi Official App" for iOS	Affected: from 2.0.11 to 3.9.10

Show details on NVD website

JSON

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{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2026-41872",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "total"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-05-12T13:17:31.269899Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2026-05-12T13:17:40.535Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "\"Kura Sushi Official App\" for Android",
          "vendor": "EPG, Inc.",
          "versions": [
            {
              "status": "affected",
              "version": "from 2.0.11 to 3.9.10"
            }
          ]
        },
        {
          "product": "\"Kura Sushi Official App\" for iOS",
          "vendor": "EPG, Inc.",
          "versions": [
            {
              "status": "affected",
              "version": "from 2.0.11 to 3.9.10"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "\"Kura Sushi Official App\" provided by EPG, Inc. is vulnerable to improper certificate validation. A man-in-the-middle attack may allow eavesdropping on, or altering, the communication on push notifications between the affected application and the relevant server."
        }
      ],
      "metrics": [
        {
          "cvssV3_0": {
            "baseScore": 7.4,
            "baseSeverity": "HIGH",
            "vectorString": "CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N",
            "version": "3.0"
          },
          "format": "CVSS",
          "scenarios": [
            {
              "lang": "en-US",
              "value": "GENERAL"
            }
          ]
        },
        {
          "cvssV4_0": {
            "baseScore": 9.1,
            "baseSeverity": "CRITICAL",
            "vectorString": "CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N",
            "version": "4.0"
          },
          "format": "CVSS",
          "scenarios": [
            {
              "lang": "en-US",
              "value": "GENERAL"
            }
          ]
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      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-295",
              "description": "Improper certificate validation",
              "lang": "en-US",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-05-12T05:21:42.802Z",
        "orgId": "ede6fdc4-6654-4307-a26d-3331c018e2ce",
        "shortName": "jpcert"
      },
      "references": [
        {
          "url": "https://play.google.com/store/apps/details?id=jp.co.kura_corpo\u0026hl=ja"
        },
        {
          "url": "https://apps.apple.com/jp/app/id942355925"
        },
        {
          "url": "https://jvn.jp/en/jp/JVN38632731/"
        }
      ]
    }
  },
  "cveMetadata": {
    "assignerOrgId": "ede6fdc4-6654-4307-a26d-3331c018e2ce",
    "assignerShortName": "jpcert",
    "cveId": "CVE-2026-41872",
    "datePublished": "2026-05-12T05:21:42.802Z",
    "dateReserved": "2026-04-22T07:25:34.140Z",
    "dateUpdated": "2026-05-12T13:17:40.535Z",
    "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.

Action not permitted

GHSA-MCJH-PCFV-25RH

CVE-2026-41872 (GCVE-0-2026-41872)

Tags

Sightings

Nomenclature