CVE-2026-117477
KUSANAGI HTTP Header Injection Vulnerability
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.
INFO
Published Date :
Nov. 9, 2026, 11:22 p.m.
Last Modified :
Nov. 9, 2026, 11:22 p.m.
Remotely Exploit :
Yes !
Source :
jpcert
Affected Products
The following products are affected by CVE-2026-117477
vulnerability.
Even if cvefeed.io is aware of the exact versions of the
products
that
are
affected, the information is not represented in the table below.
No affected product recoded yet
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 3.1 | MEDIUM | ede6fdc4-6654-4307-a26d-3331c018e2ce | ||||
| CVSS 3.1 | MEDIUM | MITRE-CVE | ||||
| CVSS 4.0 | MEDIUM | ede6fdc4-6654-4307-a26d-3331c018e2ce |
Solution
- Validate all user-supplied input.
- Sanitize output before rendering.
- Apply input validation and output encoding.
- Update KUSANAGI to the latest version.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2026-117477 vulnerability anywhere in the article.