Public vulnerability disclosure

CVE-2026-117477

CVE-2026-117477

publishedCWE-113

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.

Technical severity6.1 mediumCVSS 3.1 · CNA: jpcert
Published2026-11-09Source updated 2026-11-09
Collected2026-11-101 attributed source

Fixes and workarounds

No remediation reported in collected sources.

Missing remediation information is not evidence that no patch exists.

Affected products and versions

Affected products, source version ranges and reporting authorities
ProductVersionsAuthority
KUSANAGI 7 Security Edition
GMO Prime Strategy Co., Ltd.
≥ 0; ≤ 10.7.2-1 (affected, semver)
Other versions: unaffected
CNA: jpcert
KUSANAGI 7 Enterprise Edition
GMO Prime Strategy Co., Ltd.
≥ 0; ≤ 10.7.2-1 (affected, semver)
Other versions: unaffected
CNA: jpcert
KUSANAGI 8 Security Edition
GMO Prime Strategy Co., Ltd.
≥ 0; ≤ 10.7.2-1 (affected, semver)
Other versions: unaffected
CNA: jpcert
KUSANAGI 8 Enterprise Edition
GMO Prime Strategy Co., Ltd.
≥ 0; ≤ 10.7.2-1 (affected, semver)
Other versions: unaffected
CNA: jpcert
KUSANAGI 9 Security Edition
GMO Prime Strategy Co., Ltd.
≥ 0; ≤ 10.7.2-1 (affected, semver)
Other versions: unaffected
CNA: jpcert
KUSANAGI 9 Enterprise Edition
GMO Prime Strategy Co., Ltd.
≥ 0; ≤ 10.7.2-1 (affected, semver)
Other versions: unaffected
CNA: jpcert
KUSANAGI 7 Free Edition
GMO Prime Strategy Co., Ltd.
≥ 0; ≤ 9.12.2-1 (affected, semver)
Other versions: unaffected
CNA: jpcert
KUSANAGI 7 Business Edition
GMO Prime Strategy Co., Ltd.
≥ 0; ≤ 9.12.2-1 (affected, semver)
Other versions: unaffected
CNA: jpcert
KUSANAGI 7 Premium Edition
GMO Prime Strategy Co., Ltd.
≥ 0; ≤ 9.12.2-1 (affected, semver)
Other versions: unaffected
CNA: jpcert
KUSANAGI 8 Free Edition
GMO Prime Strategy Co., Ltd.
≥ 0; ≤ 9.12.2-1 (affected, semver)
Other versions: unaffected
CNA: jpcert
KUSANAGI 8 Business Edition
GMO Prime Strategy Co., Ltd.
≥ 0; ≤ 9.12.2-1 (affected, semver)
Other versions: unaffected
CNA: jpcert
KUSANAGI 8 Premium Edition
GMO Prime Strategy Co., Ltd.
≥ 0; ≤ 9.12.2-1 (affected, semver)
Other versions: unaffected
CNA: jpcert
KUSANAGI 9 Free Edition
GMO Prime Strategy Co., Ltd.
≥ 0; ≤ 9.12.2-1 (affected, semver)
Other versions: unaffected
CNA: jpcert
KUSANAGI 9 Business Edition
GMO Prime Strategy Co., Ltd.
≥ 0; ≤ 9.12.2-1 (affected, semver)
Other versions: unaffected
CNA: jpcert
KUSANAGI 9 Premium Edition
GMO Prime Strategy Co., Ltd.
≥ 0; ≤ 9.12.2-1 (affected, semver)
Other versions: unaffected
CNA: jpcert

Version ranges are source assertions. Check the vendor advisory and your installed configuration before determining exposure.

CVSS assessments

CVSS scores, vectors and reporting authorities
Version / scoreVectorAuthority
3.1 / 6.1
medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:NCNA: jpcert
4.0 / 5.1
medium
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:N/SC:N/SI:L/SA:NCNA: jpcert

Exploit evidence

No exploit evidence in collected sources. This is not proof of no exploitation.

References

For agents and automation

Read public disclosures for free as Markdown or JSON. Compatible browsers also expose native WebMCP tools to search disclosures, read this page, and discover API access.

Use the ontology-linked Cyber API with x402 pay per request, or a Y2 Pro or Elite API key with the intel:cyber scope.

Endpoints and access details

https://api.y2.dev/api/v2/cyber/cves
https://api.y2.dev/api/v2/cyber/cves/{cveId}

A workspace owner or admin can create a Pro or Elite API key. Send Authorization: Bearer <Y2_API_KEY> from your trusted agent runtime.

For x402, omit Authorization and read the HTTP 402 payment challenge before signing a retry. Public browser tools do not make payments.

Agent access JSON · OpenAPI · CVE API guide