CVE-2026-44457

Description

Hono is a Web application framework that provides support for any JavaScript runtime. Prior to 4.12.18, Cache Middleware does not skip caching for responses that declare per-user variance via Vary: Authorization or Vary: Cookie. As a result, a response cached for one authenticated user may be served to subsequent requests from different users. This vulnerability is fixed in 4.12.18.

CVSS Vector

Affected Products

References

• https://github.com/honojs/hono/security/advisories/GHSA-p77w-8qqv-26rm