Vulnerability-Lookup

JVNDB-2026-000130

Vulnerability from jvndb - Published: 2026-09-10 06:54 - Updated:2026-09-10 06:54

Severity

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

Summary

Multiple vulnerabilities in SHIRASAGI

Details

SHIRASAGI provided by SHIRASAGI Project contains multiple vulnerabilities listed below.

Cross-site scripting (CWE-79) - CVE-2026-81635
Authorization bypass (CWE-639) - CVE-2026-82582

CVE-2026-81635 Tonosaki Aoba of Tokyo Denki University remote control Laboratory reported this vulnerability to IPA. JPCERT/CC coordinated with the developer under Information Security Early Warning Partnership. CVE-2026-82582 Kuniyoshi Noguchi @KuniNogu remote control Laboratory reported these vulnerabilities to SHIRASAGI Project and IPA. JPCERT/CC coordinated with the developer under Information Security Early Warning Partnership.

References

Type

URL

	JVN	https://jvn.jp/en/jp/JVN37476837/index.html
	CVE	https://www.cve.org/CVERecord?id=CVE-2026-81635
	CVE	https://www.cve.org/CVERecord?id=CVE-2026-82582
	Cross-site Scripting(CWE-79)	https://www.ipa.go.jp/en/security/vulnerabilities/cwe.html
	No Mapping(CWE-Other)	https://www.ipa.go.jp/en/security/vulnerabilities/cwe.html

Impacted products

Vendor

Product

SHIRASAGI Project

SHIRASAGI

Show details on JVN DB website

JSON

To clipboard

{
  "@rdf:about": "https://jvndb.jvn.jp/en/contents/2026/JVNDB-2026-000130.html",
  "dc:date": "2026-09-10T15:54+09:00",
  "dcterms:issued": "2026-09-10T15:54+09:00",
  "dcterms:modified": "2026-09-10T15:54+09:00",
  "description": "SHIRASAGI provided by SHIRASAGI Project contains multiple vulnerabilities listed below.\u003ca href=\u0027https://cwe.mitre.org/data/definitions/79.html\u0027 target=\u0027_blank\u0027\u003e\u003c/a\u003e\u003ca href=\u0027https://cwe.mitre.org/data/definitions/639.html\u0027 target=\u0027_blank\u0027\u003e\u003c/a\u003e\u003cul\u003e\u003cli\u003eCross-site scripting (CWE-79) - CVE-2026-81635\u003c/li\u003e\u003cli\u003eAuthorization bypass (CWE-639) - CVE-2026-82582\u003c/li\u003e\u003c/ul\u003eCVE-2026-81635\r\nTonosaki Aoba of Tokyo Denki University remote control Laboratory reported this vulnerability to IPA.\r\nJPCERT/CC coordinated with the developer under Information Security Early Warning Partnership.\r\n\r\nCVE-2026-82582\r\nKuniyoshi Noguchi @KuniNogu remote control Laboratory reported these vulnerabilities to SHIRASAGI Project and IPA.\r\nJPCERT/CC coordinated with the developer under Information Security Early Warning Partnership.",
  "link": "https://jvndb.jvn.jp/en/contents/2026/JVNDB-2026-000130.html",
  "sec:cpe": {
    "#text": "cpe:/a:ss-proj:shirasagi",
    "@product": "SHIRASAGI",
    "@vendor": "SHIRASAGI Project",
    "@version": "2.2"
  },
  "sec:cvss": {
    "@score": "5.4",
    "@severity": "Medium",
    "@type": "Base",
    "@vector": "CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N",
    "@version": "3.0"
  },
  "sec:identifier": "JVNDB-2026-000130",
  "sec:references": [
    {
      "#text": "https://jvn.jp/en/jp/JVN37476837/index.html",
      "@id": "JVN#37476837",
      "@source": "JVN"
    },
    {
      "#text": "https://www.cve.org/CVERecord?id=CVE-2026-81635",
      "@id": "CVE-2026-81635",
      "@source": "CVE"
    },
    {
      "#text": "https://www.cve.org/CVERecord?id=CVE-2026-82582",
      "@id": "CVE-2026-82582",
      "@source": "CVE"
    },
    {
      "#text": "https://www.ipa.go.jp/en/security/vulnerabilities/cwe.html",
      "@id": "CWE-79",
      "@title": "Cross-site Scripting(CWE-79)"
    },
    {
      "#text": "https://www.ipa.go.jp/en/security/vulnerabilities/cwe.html",
      "@id": "CWE-Other",
      "@title": "No Mapping(CWE-Other)"
    }
  ],
  "title": "Multiple vulnerabilities in SHIRASAGI"
}

CVE-2026-81635 (GCVE-0-2026-81635)

Vulnerability from cvelistv5 – Published: 2026-09-10 06:09 – Updated: 2026-09-10 13:00

Summary

A cross-site scripting vulnerability exists in SHIRASAGI, which may allow an attacker to execute an arbitrary script in the web browser of a user who accesses a website using the affected product.

Severity

5.4 (Medium)


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

5.1 (Medium)


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

SSVC

Exploitation: none Automatable: no Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-09-10 13:00 UTC

CWE

CWE-79 - Cross-site scripting (XSS)

Assigner

jpcert jpcert root Scorecard

References

2 references

URL	Tags
https://www.ss-proj.org/support/1710.html
https://jvn.jp/en/jp/JVN37476837/

Impacted products

1 product

Vendor	Product	Version
SHIRASAGI Project	SHIRASAGI	Affected: v1.14.0 , ≤ v1.20.2 (semver)

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2026-81635",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-09-10T13:00:16.852754Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2026-09-10T13:00:23.448Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "SHIRASAGI",
          "vendor": "SHIRASAGI Project",
          "versions": [
            {
              "lessThanOrEqual": "v1.20.2",
              "status": "affected",
              "version": "v1.14.0",
              "versionType": "semver"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "A cross-site scripting vulnerability exists in SHIRASAGI, which may allow an attacker to execute an arbitrary script in the web browser of a user who accesses a website using the affected product."
        }
      ],
      "metrics": [
        {
          "cvssV3_0": {
            "baseScore": 5.4,
            "baseSeverity": "MEDIUM",
            "vectorString": "CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N",
            "version": "3.0"
          },
          "format": "CVSS",
          "scenarios": [
            {
              "lang": "en-US",
              "value": "GENERAL"
            }
          ]
        },
        {
          "cvssV4_0": {
            "baseScore": 5.1,
            "baseSeverity": "MEDIUM",
            "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N",
            "version": "4.0"
          },
          "format": "CVSS",
          "scenarios": [
            {
              "lang": "en-US",
              "value": "GENERAL"
            }
          ]
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-79",
              "description": "Cross-site scripting (XSS)",
              "lang": "en-US",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-09-10T06:09:22.775Z",
        "orgId": "ede6fdc4-6654-4307-a26d-3331c018e2ce",
        "shortName": "jpcert"
      },
      "references": [
        {
          "url": "https://www.ss-proj.org/support/1710.html"
        },
        {
          "url": "https://jvn.jp/en/jp/JVN37476837/"
        }
      ]
    }
  },
  "cveMetadata": {
    "assignerOrgId": "ede6fdc4-6654-4307-a26d-3331c018e2ce",
    "assignerShortName": "jpcert",
    "cveId": "CVE-2026-81635",
    "datePublished": "2026-09-10T06:09:22.775Z",
    "dateReserved": "2026-09-04T00:27:36.507Z",
    "dateUpdated": "2026-09-10T13:00:23.448Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}

CVE-2026-82582 (GCVE-0-2026-82582)

Vulnerability from cvelistv5 – Published: 2026-09-10 06:09 – Updated: 2026-09-10 12:58

Summary

An authorization bypass vulnerability exists in SHIRASAGI through a user-controlled key, which may allow an unauthorized attacker to retrieve files from the groupware's shared file feature.

Severity

4.3 (Medium)


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

5.3 (Medium)


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

SSVC

Exploitation: none Automatable: no Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-09-10 12:58 UTC

CWE

CWE-639 - Authorization bypass through user-controlled key

Assigner

jpcert jpcert root Scorecard

References

2 references

URL	Tags
https://jvn.jp/en/jp/JVN37476837/
https://www.ss-proj.org/support/1710.html

Impacted products

1 product

Vendor	Product	Version
SHIRASAGI Project	SHIRASAGI	Affected: 0 , ≤ v1.20.2 (semver)

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2026-82582",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-09-10T12:58:39.791596Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2026-09-10T12:58:59.489Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "SHIRASAGI",
          "vendor": "SHIRASAGI Project",
          "versions": [
            {
              "lessThanOrEqual": "v1.20.2",
              "status": "affected",
              "version": "0",
              "versionType": "semver"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "An authorization bypass vulnerability exists in SHIRASAGI through a user-controlled key, which may allow an unauthorized attacker to retrieve files from the groupware\u0027s shared file feature."
        }
      ],
      "metrics": [
        {
          "cvssV3_0": {
            "baseScore": 4.3,
            "baseSeverity": "MEDIUM",
            "vectorString": "CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N",
            "version": "3.0"
          },
          "format": "CVSS",
          "scenarios": [
            {
              "lang": "en-US",
              "value": "GENERAL"
            }
          ]
        },
        {
          "cvssV4_0": {
            "baseScore": 5.3,
            "baseSeverity": "MEDIUM",
            "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N",
            "version": "4.0"
          },
          "format": "CVSS",
          "scenarios": [
            {
              "lang": "en-US",
              "value": "GENERAL"
            }
          ]
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-639",
              "description": "Authorization bypass through user-controlled key",
              "lang": "en-US",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-09-10T06:09:30.059Z",
        "orgId": "ede6fdc4-6654-4307-a26d-3331c018e2ce",
        "shortName": "jpcert"
      },
      "references": [
        {
          "url": "https://jvn.jp/en/jp/JVN37476837/"
        },
        {
          "url": "https://www.ss-proj.org/support/1710.html"
        }
      ]
    }
  },
  "cveMetadata": {
    "assignerOrgId": "ede6fdc4-6654-4307-a26d-3331c018e2ce",
    "assignerShortName": "jpcert",
    "cveId": "CVE-2026-82582",
    "datePublished": "2026-09-10T06:09:30.059Z",
    "dateReserved": "2026-09-04T00:27:37.395Z",
    "dateUpdated": "2026-09-10T12:58:59.489Z",
    "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.

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

JVNDB-2026-000130

CVE-2026-81635 (GCVE-0-2026-81635)

CVE-2026-82582 (GCVE-0-2026-82582)

Tags

Sightings

Nomenclature

Related by attack behaviour