Vulnerability in Hono
CVE-2026-24472
Hono is a Web application framework that provides support for any JavaScript runtime. Prior to version 4.11.7, Cache Middleware contains an information disclosure vulnerability caused by improper handling of HTTP cache control directives. The middleware does not respect standard cache control headers such as `Cache-Control: private` or `Cache-Control: no-store`, which may result in private or authenticated responses being cached and subsequently exposed to unauthorized users. Version 4.11.7 has a patch for the issue.
EPSS: 0.005 (37.3th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N.
Affected products
- Hono
- Honojs Hono — versions < 4.11.7
Weakness classification (CWE)
References
- security-advisories@github.com (x_refsource_CONFIRM, Vendor Advisory)
- security-advisories@github.com (Patch, x_refsource_MISC)
- security-advisories@github.com (x_refsource_MISC, Release Notes)
Frequently asked questions
- What is CVE-2026-24472?
- CVE-2026-24472 is a medium-severity vulnerability in Hono, classified under Use of Cache Containing Sensitive Information. CVSS score: 5.3/10. Published 2026-01-27.
- How severe is CVE-2026-24472?
- Medium severity. CVSS v3 base score is 5.3 out of 10.