CVE-2026-109955: Hono 4.12.4 before 4.13.11 Middleware Bypass via serveStatic Double Decoding
honojs · hono
Fixed in 4.13.11 · Affected: honojs before 4.13.11 · Exploitation: unlikely (under 1%)
Not in CyberSIXT coverage yet: no article names this CVE. This page shows the public record.
Higher than 24% of scored CVEs
DescriptionCVE.org
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.
Affected products1
From the CVE record. A product or version that is not listed is unknown, not unaffected.
- honojs · honofrom 4.12.4 before 4.13.11
On the Atlas
Every published CVE is on the CyberSIXT Atlas, grouped by weakness, vendor and month.
- Exploitation
- Unlikely (under 1%). EPSS under 1%, or no score yet.
- CISA KEV
- Not listed
- Public check
- No public nuclei template
- Vendor
- honojs
- Published
- October 2026
CoverageNo articles yet
No CyberSIXT article names CVE-2026-109955 yet, so there is no coverage timeline, action brief or change log for it. Everything on this page comes from the public CVE record, CISA KEV, EPSS and the nuclei template index. Search the archive or see the CVEs in the news.