CVE-2026-117477 (GCVE-0-2026-117477)

Vulnerability from cvelistv5 – Published: 2026-11-09 23:22 – Updated: 2026-11-09 23:22
VLAI
Summary
KUSANAGI provided by GMO Prime Strategy Co., Ltd. contains an HTTP header injection vulnerability that may allow arbitrary HTTP headers to be injected into the HTTP response when a user accesses a specially crafted URL.
CWE
  • CWE-113 - Improper neutralization of CRLF sequences in HTTP headers ('HTTP Request/Response Splitting')
Assigner
jpcert CNA
Impacted products
Vendor Product Version
GMO Prime Strategy Co., Ltd. KUSANAGI 7 Security Edition Affected: 0 , ≤ 10.7.2-1 (semver)
Create a notification for this product.
GMO Prime Strategy Co., Ltd. KUSANAGI 7 Enterprise Edition Affected: 0 , ≤ 10.7.2-1 (semver)
Create a notification for this product.
GMO Prime Strategy Co., Ltd. KUSANAGI 8 Security Edition Affected: 0 , ≤ 10.7.2-1 (semver)
Create a notification for this product.
GMO Prime Strategy Co., Ltd. KUSANAGI 8 Enterprise Edition Affected: 0 , ≤ 10.7.2-1 (semver)
Create a notification for this product.
GMO Prime Strategy Co., Ltd. KUSANAGI 9 Security Edition Affected: 0 , ≤ 10.7.2-1 (semver)
Create a notification for this product.
GMO Prime Strategy Co., Ltd. KUSANAGI 9 Enterprise Edition Affected: 0 , ≤ 10.7.2-1 (semver)
Create a notification for this product.
GMO Prime Strategy Co., Ltd. KUSANAGI 7 Free Edition Affected: 0 , ≤ 9.12.2-1 (semver)
Create a notification for this product.
GMO Prime Strategy Co., Ltd. KUSANAGI 7 Business Edition Affected: 0 , ≤ 9.12.2-1 (semver)
Create a notification for this product.
GMO Prime Strategy Co., Ltd. KUSANAGI 7 Premium Edition Affected: 0 , ≤ 9.12.2-1 (semver)
Create a notification for this product.
GMO Prime Strategy Co., Ltd. KUSANAGI 8 Free Edition Affected: 0 , ≤ 9.12.2-1 (semver)
Create a notification for this product.
GMO Prime Strategy Co., Ltd. KUSANAGI 8 Business Edition Affected: 0 , ≤ 9.12.2-1 (semver)
Create a notification for this product.
GMO Prime Strategy Co., Ltd. KUSANAGI 8 Premium Edition Affected: 0 , ≤ 9.12.2-1 (semver)
Create a notification for this product.
GMO Prime Strategy Co., Ltd. KUSANAGI 9 Free Edition Affected: 0 , ≤ 9.12.2-1 (semver)
Create a notification for this product.
GMO Prime Strategy Co., Ltd. KUSANAGI 9 Business Edition Affected: 0 , ≤ 9.12.2-1 (semver)
Create a notification for this product.
GMO Prime Strategy Co., Ltd. KUSANAGI 9 Premium Edition Affected: 0 , ≤ 9.12.2-1 (semver)
Create a notification for this product.
Show details on NVD website

{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "KUSANAGI 7 Security Edition",
          "vendor": "GMO Prime Strategy Co., Ltd.",
          "versions": [
            {
              "lessThanOrEqual": "10.7.2-1",
              "status": "affected",
              "version": "0",
              "versionType": "semver"
            }
          ]
        },
        {
          "defaultStatus": "unaffected",
          "product": "KUSANAGI 7 Enterprise Edition",
          "vendor": "GMO Prime Strategy Co., Ltd.",
          "versions": [
            {
              "lessThanOrEqual": "10.7.2-1",
              "status": "affected",
              "version": "0",
              "versionType": "semver"
            }
          ]
        },
        {
          "defaultStatus": "unaffected",
          "product": "KUSANAGI 8 Security Edition",
          "vendor": "GMO Prime Strategy Co., Ltd.",
          "versions": [
            {
              "lessThanOrEqual": "10.7.2-1",
              "status": "affected",
              "version": "0",
              "versionType": "semver"
            }
          ]
        },
        {
          "defaultStatus": "unaffected",
          "product": "KUSANAGI 8 Enterprise Edition",
          "vendor": "GMO Prime Strategy Co., Ltd.",
          "versions": [
            {
              "lessThanOrEqual": "10.7.2-1",
              "status": "affected",
              "version": "0",
              "versionType": "semver"
            }
          ]
        },
        {
          "defaultStatus": "unaffected",
          "product": "KUSANAGI 9 Security Edition",
          "vendor": "GMO Prime Strategy Co., Ltd.",
          "versions": [
            {
              "lessThanOrEqual": "10.7.2-1",
              "status": "affected",
              "version": "0",
              "versionType": "semver"
            }
          ]
        },
        {
          "defaultStatus": "unaffected",
          "product": "KUSANAGI 9 Enterprise Edition",
          "vendor": "GMO Prime Strategy Co., Ltd.",
          "versions": [
            {
              "lessThanOrEqual": "10.7.2-1",
              "status": "affected",
              "version": "0",
              "versionType": "semver"
            }
          ]
        },
        {
          "defaultStatus": "unaffected",
          "product": "KUSANAGI 7 Free Edition",
          "vendor": "GMO Prime Strategy Co., Ltd.",
          "versions": [
            {
              "lessThanOrEqual": "9.12.2-1",
              "status": "affected",
              "version": "0",
              "versionType": "semver"
            }
          ]
        },
        {
          "defaultStatus": "unaffected",
          "product": "KUSANAGI 7 Business Edition",
          "vendor": "GMO Prime Strategy Co., Ltd.",
          "versions": [
            {
              "lessThanOrEqual": "9.12.2-1",
              "status": "affected",
              "version": "0",
              "versionType": "semver"
            }
          ]
        },
        {
          "defaultStatus": "unaffected",
          "product": "KUSANAGI 7 Premium Edition",
          "vendor": "GMO Prime Strategy Co., Ltd.",
          "versions": [
            {
              "lessThanOrEqual": "9.12.2-1",
              "status": "affected",
              "version": "0",
              "versionType": "semver"
            }
          ]
        },
        {
          "defaultStatus": "unaffected",
          "product": "KUSANAGI 8 Free Edition",
          "vendor": "GMO Prime Strategy Co., Ltd.",
          "versions": [
            {
              "lessThanOrEqual": "9.12.2-1",
              "status": "affected",
              "version": "0",
              "versionType": "semver"
            }
          ]
        },
        {
          "defaultStatus": "unaffected",
          "product": "KUSANAGI 8 Business Edition",
          "vendor": "GMO Prime Strategy Co., Ltd.",
          "versions": [
            {
              "lessThanOrEqual": "9.12.2-1",
              "status": "affected",
              "version": "0",
              "versionType": "semver"
            }
          ]
        },
        {
          "defaultStatus": "unaffected",
          "product": "KUSANAGI 8 Premium Edition",
          "vendor": "GMO Prime Strategy Co., Ltd.",
          "versions": [
            {
              "lessThanOrEqual": "9.12.2-1",
              "status": "affected",
              "version": "0",
              "versionType": "semver"
            }
          ]
        },
        {
          "defaultStatus": "unaffected",
          "product": "KUSANAGI 9 Free Edition",
          "vendor": "GMO Prime Strategy Co., Ltd.",
          "versions": [
            {
              "lessThanOrEqual": "9.12.2-1",
              "status": "affected",
              "version": "0",
              "versionType": "semver"
            }
          ]
        },
        {
          "defaultStatus": "unaffected",
          "product": "KUSANAGI 9 Business Edition",
          "vendor": "GMO Prime Strategy Co., Ltd.",
          "versions": [
            {
              "lessThanOrEqual": "9.12.2-1",
              "status": "affected",
              "version": "0",
              "versionType": "semver"
            }
          ]
        },
        {
          "defaultStatus": "unaffected",
          "product": "KUSANAGI 9 Premium Edition",
          "vendor": "GMO Prime Strategy Co., Ltd.",
          "versions": [
            {
              "lessThanOrEqual": "9.12.2-1",
              "status": "affected",
              "version": "0",
              "versionType": "semver"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "KUSANAGI provided by GMO Prime Strategy Co., Ltd. contains an HTTP header injection vulnerability that may allow arbitrary HTTP headers to be injected into the HTTP response when a user accesses a specially crafted URL."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "baseScore": 6.1,
            "baseSeverity": "MEDIUM",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N",
            "version": "3.1"
          },
          "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:N/UI:A/VC:N/VI:N/VA:N/SC:N/SI:L/SA:N",
            "version": "4.0"
          },
          "format": "CVSS",
          "scenarios": [
            {
              "lang": "en-US",
              "value": "GENERAL"
            }
          ]
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-113",
              "description": "Improper neutralization of CRLF sequences in HTTP headers (\u0027HTTP Request/Response Splitting\u0027)",
              "lang": "en-US",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-11-09T23:22:12.476Z",
        "orgId": "ede6fdc4-6654-4307-a26d-3331c018e2ce",
        "shortName": "jpcert"
      },
      "references": [
        {
          "url": "https://kusanagi.tokyo/en/releases/27995/"
        },
        {
          "url": "https://jvn.jp/en/vu/JVNVU92635551/"
        }
      ]
    }
  },
  "cveMetadata": {
    "assignerOrgId": "ede6fdc4-6654-4307-a26d-3331c018e2ce",
    "assignerShortName": "jpcert",
    "cveId": "CVE-2026-117477",
    "datePublished": "2026-11-09T23:22:12.476Z",
    "dateReserved": "2026-10-27T06:16:54.712Z",
    "dateUpdated": "2026-11-09T23:22:12.476Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}



Log in or create an account to share your comment.




Tags
Taxonomy of the tags.


Loading…

Loading…

Loading…

Drag nodes to arrange them. Double-click a related vulnerability to open it, or a source to visit its link. The Physics button on the left tunes the layout and the simulation; the legend at the bottom left hides or shows nodes by kind and by sighting type.

Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

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.
Vulnerability timeline

Sightings and recorded dates, grouped by day · UTC

JSON
Events included in the timeline

Loading timeline…


    Loading…

    Loading…

    Loading…

    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.