November 14, 2026

CVE Watchtower

CVE-2026-117477GMO Prime Strategy Co., Ltd. KUSANAGI

NVD

Vulnerability 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.
Severity Level
MEDIUM(5.1)
Published Date
Nov 9, 2026
Last Modified
Nov 12, 2026
Exploitation Status
No confirmed exploitation yet
EPSS Score (30-Day)
0.26%Probability
Root Weakness (CWE)
CWE-113 ↗
See the MITRE CWE entry for the full definition of this weakness.
CVSS v4.0 Base Metrics — Score 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:N
Attack VectorNetwork
Attack ComplexityLow
Attack RequirementsNone
Privileges RequiredNone
User InteractionActive
Confidentiality (Vulnerable System)None
Integrity (Vulnerable System)None
Availability (Vulnerable System)None
Confidentiality (Subsequent System)None
Integrity (Subsequent System)Low
Availability (Subsequent System)None
Show CVSS v3.x metrics (score 6.1)
CVSS v3.1 Base Metrics — Score 6.1 (MEDIUM)
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Attack VectorNetwork
Attack ComplexityLow
Privileges RequiredNone
User InteractionRequired
ScopeChanged
ConfidentialityLow
IntegrityLow
AvailabilityNone

Affected & Patched Versions

Affected Versions
  • GMO Prime Strategy Co., Ltd. KUSANAGI 7 <= *
  • GMO Prime Strategy Co., Ltd. KUSANAGI 9 Security Edition <= 10.7.2-1
  • GMO Prime Strategy Co., Ltd. KUSANAGI 9 Enterprise Edition <= 10.7.2-1
  • GMO Prime Strategy Co., Ltd. KUSANAGI 8 Free Edition <= *
  • GMO Prime Strategy Co., Ltd. KUSANAGI 8 Business Edition <= *
  • GMO Prime Strategy Co., Ltd. KUSANAGI 8 Premium Edition <= *
  • GMO Prime Strategy Co., Ltd. KUSANAGI 9 Free Edition <= 9.12.2-1
  • GMO Prime Strategy Co., Ltd. KUSANAGI 9 Business Edition <= 9.12.2-1
  • GMO Prime Strategy Co., Ltd. KUSANAGI 9 Premium Edition <= 9.12.2-1
Patched Versions
  • GMO Prime Strategy Co., Ltd. KUSANAGI 7 *
  • GMO Prime Strategy Co., Ltd. KUSANAGI 9 Security Edition 10.7.2-1
  • GMO Prime Strategy Co., Ltd. KUSANAGI 9 Enterprise Edition 10.7.2-1
  • GMO Prime Strategy Co., Ltd. KUSANAGI 8 Free Edition *
  • GMO Prime Strategy Co., Ltd. KUSANAGI 8 Business Edition *
  • GMO Prime Strategy Co., Ltd. KUSANAGI 8 Premium Edition *
  • GMO Prime Strategy Co., Ltd. KUSANAGI 9 Free Edition 9.12.2-1
  • GMO Prime Strategy Co., Ltd. KUSANAGI 9 Business Edition 9.12.2-1
  • GMO Prime Strategy Co., Ltd. KUSANAGI 9 Premium Edition 9.12.2-1

What to do

Fix it during your normal patch cycle. No exploitation is confirmed yet.

  1. Check whether you run GMO Prime Strategy Co., Ltd. KUSANAGI and which version.
  2. Update to a patched version listed above, then confirm the new version.

Timeline

  • Nov 9, 2026Published
  • Nov 12, 2026Record last modified

Score, severity and exploitation changes are tracked from the day Watchtower started logging them.

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External References

Data last checked: Nov 14, 2026 00:39 UTC