What is CVE-2026-44456?

CVE-2026-44456 is a medium-severity vulnerability in Hono, classified under Uncontrolled Resource Consumption. CVSS score: 6.5/10. Published 2026-05-13.

How severe is CVE-2026-44456?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Resource exhaustion in Hono

CVE-2026-44456

Hono is a Web application framework that provides support for any JavaScript runtime. Prior to 4.12.16, bodyLimit() does not reliably enforce maxSize for requests without a usable Content-Length (e.g. Transfer-Encoding: chunked). Oversized…

Vulnerability class: DoS (Denial of Service)

EPSS: 0.000 (1.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N.

Affected products

Hono
Honojs Hono — versions < 4.12.16

Weakness classification (CWE)

CWE-400 — Uncontrolled Resource Consumption

References

security-advisories@github.com (x_refsource_CONFIRM, Vendor Advisory)

Frequently asked questions

What is CVE-2026-44456?: CVE-2026-44456 is a medium-severity vulnerability in Hono, classified under Uncontrolled Resource Consumption. CVSS score: 6.5/10. Published 2026-05-13.
How severe is CVE-2026-44456?: Medium severity. CVSS v3 base score is 6.5 out of 10.