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.

Attack Vector Network

Attack Complexity Low

Privileges Required None

Attack Requirements None

User Interaction Active

Vulnerable System Confidentiality Impact None

Vulnerable System Integrity Impact None

Vulnerable System Availability Impact None

Subsequent System Confidentiality Impact None

Subsequent System Integrity Impact Low

Subsequent System Availability Impact None

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Changed

Confidentiality Impact Low

Integrity Impact Low

Availability Impact None

User Interaction Required

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

The EPSS score is 0.00263.

Key SSVC decision points have not yet been added.

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions
GMO Prime Strategy Co., Ltd. KUSANAGI 7 Security Edition unaffected
Version Status Constraints
0 affected ≤ 10.7.2-1
GMO Prime Strategy Co., Ltd. KUSANAGI 7 Enterprise Edition unaffected
Version Status Constraints
0 affected ≤ 10.7.2-1
GMO Prime Strategy Co., Ltd. KUSANAGI 8 Security Edition unaffected
Version Status Constraints
0 affected ≤ 10.7.2-1
GMO Prime Strategy Co., Ltd. KUSANAGI 8 Enterprise Edition unaffected
Version Status Constraints
0 affected ≤ 10.7.2-1
GMO Prime Strategy Co., Ltd. KUSANAGI 9 Security Edition unaffected
Version Status Constraints
0 affected ≤ 10.7.2-1
GMO Prime Strategy Co., Ltd. KUSANAGI 9 Enterprise Edition unaffected
Version Status Constraints
0 affected ≤ 10.7.2-1
GMO Prime Strategy Co., Ltd. KUSANAGI 7 Free Edition unaffected
Version Status Constraints
0 affected ≤ 9.12.2-1
GMO Prime Strategy Co., Ltd. KUSANAGI 7 Business Edition unaffected
Version Status Constraints
0 affected ≤ 9.12.2-1
GMO Prime Strategy Co., Ltd. KUSANAGI 7 Premium Edition unaffected
Version Status Constraints
0 affected ≤ 9.12.2-1
GMO Prime Strategy Co., Ltd. KUSANAGI 8 Free Edition unaffected
Version Status Constraints
0 affected ≤ 9.12.2-1
GMO Prime Strategy Co., Ltd. KUSANAGI 8 Business Edition unaffected
Version Status Constraints
0 affected ≤ 9.12.2-1
GMO Prime Strategy Co., Ltd. KUSANAGI 8 Premium Edition unaffected
Version Status Constraints
0 affected ≤ 9.12.2-1
GMO Prime Strategy Co., Ltd. KUSANAGI 9 Free Edition unaffected
Version Status Constraints
0 affected ≤ 9.12.2-1
GMO Prime Strategy Co., Ltd. KUSANAGI 9 Business Edition unaffected
Version Status Constraints
0 affected ≤ 9.12.2-1
GMO Prime Strategy Co., Ltd. KUSANAGI 9 Premium Edition unaffected
Version Status Constraints
0 affected ≤ 9.12.2-1

No data.

No data.

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Vendors Products
Gmo Prime Strategy Subscribe
Kusanagi Subscribe

Project Subscriptions

Vendors Products
Gmo Prime Strategy Subscribe
Kusanagi Subscribe
Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References
Link Providers
https://jvn.jp/en/vu/JVNVU92635551/ cve-icon cve-icon
https://kusanagi.tokyo/en/releases/27995/ cve-icon cve-icon
History

Tue, 10 Nov 2026 10:15:00 +0000

Type Values Removed Values Added
First Time appeared Gmo Prime Strategy
Gmo Prime Strategy kusanagi
Vendors & Products Gmo Prime Strategy
Gmo Prime Strategy kusanagi

Tue, 10 Nov 2026 01:15:00 +0000

Type Values Removed Values Added
Title HTTP Header Injection via Crafted URLs

Mon, 09 Nov 2026 23:30:00 +0000

Type Values Removed Values Added
Description 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.
Weaknesses CWE-113
References
Metrics cvssV3_1

{'score': 6.1, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N'}

cvssV4_0

{'score': 5.1, 'vector': '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'}

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: jpcert

Published:

Updated: 2026-11-09T23:22:12.476Z

Reserved: 2026-10-27T06:16:54.712Z

Link: CVE-2026-117477

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2026-11-10T00:17:05.140

Modified: 2026-11-10T00:17:05.140

Link: CVE-2026-117477

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-11-10T09:29:16Z

Weaknesses