๐Ÿ›ก๏ธ CVE-2026-47675
๐ŸŸก CVSS 4.3 โ€” Medium โœ… No Known Exploit CWE-113 NVD
4.3
CVSS Score
0 Low4 Medium7 High9 Critical10

Description

Hono is a Web application framework that provides support for any JavaScript runtime. Prior to 4.12.21, the serialize() function in hono/cookie validates domain and path options against characters that corrupt Set-Cookie header syntax (;, \r, \n), but does not apply the same validation to sameSite and priority. An application that passes user-controlled input into either option may produce a Set-Cookie response header containing attacker-chosen additional attributes. This vulnerability is fixed in 4.12.21.

Details

Severity Medium
CVSS Score 4.3
CVSS Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N
CWE CWE-113
Public Exploit โœ… No
Source NVD
Published 2026-06-04
Updated 2026-06-15
Modified 2026-06-10
Fix URL N/A

Affected Packages

Software From version Fixed in
hono โ€” โ€”
unknown โ€” โ€”

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