Vulnerability-Lookup

JVNDB-2026-000132

Vulnerability from jvndb - Published: 2026-09-11 05:00 - Updated:2026-09-11 05:00

Severity

6.5 (Medium) - cvssV3_0 - CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N

Summary

a-blog cms vulnerable to path traversal

Details

a-blog cms provided by appleple inc. contains the following vulnerability.

Path traversal (CWE-22) - CVE-2026-87727

You are affected by this vulnerability only when "Attaching files to emails addressed to the administrator" is enabled in the form settings. hibiki moriyama of STNet, Incorporated 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/JVN20829034/index.html
	CVE	https://www.cve.org/CVERecord?id=CVE-2026-87727
	Path Traversal(CWE-22)	https://www.ipa.go.jp/en/security/vulnerabilities/cwe.html

Impacted products

Vendor

Product

appleple inc.

a-blog cms

Show details on JVN DB website

JSON

To clipboard

{
  "@rdf:about": "https://jvndb.jvn.jp/en/contents/2026/JVNDB-2026-000132.html",
  "dc:date": "2026-09-11T14:00+09:00",
  "dcterms:issued": "2026-09-11T14:00+09:00",
  "dcterms:modified": "2026-09-11T14:00+09:00",
  "description": "a-blog cms provided by appleple inc. contains the following vulnerability.\u003ca href=\u0027https://cwe.mitre.org/data/definitions/22.html\u0027 target=\u0027_blank\u0027\u003e\u003c/a\u003e\u003cul\u003e\u003cli\u003ePath traversal (CWE-22) - CVE-2026-87727\u003c/li\u003e\u003c/ul\u003eYou are affected by this vulnerability only when \"Attaching files to emails addressed to the administrator\" is enabled in the form settings.\r\n\r\nhibiki moriyama of STNet, Incorporated 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-2026-000132.html",
  "sec:cpe": {
    "#text": "cpe:/a:appleple:a-blog_cms",
    "@product": "a-blog cms",
    "@vendor": "appleple inc.",
    "@version": "2.2"
  },
  "sec:cvss": {
    "@score": "6.5",
    "@severity": "Medium",
    "@type": "Base",
    "@vector": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N",
    "@version": "3.0"
  },
  "sec:identifier": "JVNDB-2026-000132",
  "sec:references": [
    {
      "#text": "https://jvn.jp/en/jp/JVN20829034/index.html",
      "@id": "JVN#20829034",
      "@source": "JVN"
    },
    {
      "#text": "https://www.cve.org/CVERecord?id=CVE-2026-87727",
      "@id": "CVE-2026-87727",
      "@source": "CVE"
    },
    {
      "#text": "https://www.ipa.go.jp/en/security/vulnerabilities/cwe.html",
      "@id": "CWE-22",
      "@title": "Path Traversal(CWE-22)"
    }
  ],
  "title": "a-blog cms vulnerable to path traversal"
}

CVE-2026-87727 (GCVE-0-2026-87727)

Vulnerability from cvelistv5 – Published: 2026-09-11 08:14 – Updated: 2026-09-11 08:14

Summary

a-blog cms Ver. 3.2.33 and earlier contains a path traversal vulnerability, which allows an unauthenticated attacker to read or delete arbitrary files on the affected product.

Severity

6.5 (Medium)


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

6.9 (Medium)


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

CWE

CWE-22 - Improper limitation of a pathname to a restricted directory ('Path Traversal')

Assigner

jpcert jpcert root

References

2 references

URL	Tags
https://jvn.jp/en/jp/JVN20829034/
https://developer.a-blogcms.jp/blog/news/JVN-2082…

Impacted products

1 product

Vendor	Product	Version
appleple inc.	a-blog cms	Affected: 0 , ≤ 3.2.33 (semver)

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "a-blog cms",
          "vendor": "appleple inc.",
          "versions": [
            {
              "lessThanOrEqual": "3.2.33",
              "status": "affected",
              "version": "0",
              "versionType": "semver"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "a-blog cms Ver. 3.2.33 and earlier contains a path traversal vulnerability, which allows an unauthenticated attacker to read or delete arbitrary files on the affected product."
        }
      ],
      "metrics": [
        {
          "cvssV3_0": {
            "baseScore": 6.5,
            "baseSeverity": "MEDIUM",
            "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N",
            "version": "3.0"
          },
          "format": "CVSS",
          "scenarios": [
            {
              "lang": "en-US",
              "value": "GENERAL"
            }
          ]
        },
        {
          "cvssV4_0": {
            "baseScore": 6.9,
            "baseSeverity": "MEDIUM",
            "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N",
            "version": "4.0"
          },
          "format": "CVSS",
          "scenarios": [
            {
              "lang": "en-US",
              "value": "GENERAL"
            }
          ]
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-22",
              "description": "Improper limitation of a pathname to a restricted directory (\u0027Path Traversal\u0027)",
              "lang": "en-US",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-09-11T08:14:22.890Z",
        "orgId": "ede6fdc4-6654-4307-a26d-3331c018e2ce",
        "shortName": "jpcert"
      },
      "references": [
        {
          "url": "https://jvn.jp/en/jp/JVN20829034/"
        },
        {
          "url": "https://developer.a-blogcms.jp/blog/news/JVN-20829034.html"
        }
      ]
    }
  },
  "cveMetadata": {
    "assignerOrgId": "ede6fdc4-6654-4307-a26d-3331c018e2ce",
    "assignerShortName": "jpcert",
    "cveId": "CVE-2026-87727",
    "datePublished": "2026-09-11T08:14:22.890Z",
    "dateReserved": "2026-09-09T02:13:37.102Z",
    "dateUpdated": "2026-09-11T08:14:22.890Z",
    "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.

Action not permitted

JVNDB-2026-000132

CVE-2026-87727 (GCVE-0-2026-87727)

Tags

Sightings

Nomenclature