What is GHSA-3g9q-qwv8-cxpf?

GHSA-3g9q-qwv8-cxpf is a security advisory published by GitHub Security Advisories with Medium severity. Hono from 4.12.4 before 4.13.11 contains a middleware bypass vulnerability in serveStatic that...

Which CVE IDs does GHSA-3g9q-qwv8-cxpf cover?

GHSA-3g9q-qwv8-cxpf covers the following CVE IDs: CVE-2026-109955. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-3g9q-qwv8-cxpf?

GHSA-3g9q-qwv8-cxpf has a CVSS v3 base score of 5.3, published by GitHub Security Advisories.

GHSA-3g9q-qwv8-cxpfMediumCVSS 5.3

Hono from 4.12.4 before 4.13.11 contains a middleware bypass vulnerability in serveStatic that...

Vendor

GitHub Security Advisories

Published

October 13, 2026

Last Modified

October 13, 2026

🔗 CVE IDs covered (1)

CVE-2026-109955 →

📋 Description

Hono from 4.12.4 before 4.13.11 contains a middleware bypass vulnerability in serveStatic that allows unauthenticated attackers to skip prefix middleware by exploiting double path decoding. Attackers can send malformed percent-encoded paths that the router matches in encoded form, reaching static files without authentication checks running.

🔗 References (4)

https://github.com/honojs/hono/security/advisories/GHSA-5r4p-p66f-jhc7
https://nvd.nist.gov/vuln/detail/CVE-2026-109955
https://www.vulncheck.com/advisories/hono-4.12.4-before-4.13.11-middleware-bypass-via-servestatic-double-decoding
https://github.com/advisories/GHSA-3g9q-qwv8-cxpf