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Use of Cache Containing Sensitive Information

CVE-2026-44457

Medium
5.3/10

Summary

Hono is a Web application framework that provides support for any JavaScript runtime. Prior to version 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.

  • LOW
  • NETWORK
  • NONE
  • UNCHANGED
  • NONE
  • NONE
  • LOW
  • NONE

CWE-524 - Use of Cache Containing Sensitive Information

The code uses a cache that contains sensitive information, but the cache can be read by an actor outside of the intended control sphere.

References

Advisory Timeline

  • Published