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CVE-2026-109955

Hono 4.12.4 before 4.13.11 Middleware Bypass via serveStatic Double Decoding PUBLISHED

Description (CNA)

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 (CNA)

Vendor / productVersions
honojs / honoaffected 4.12.4 before 4.13.11; unaffected 4.13.11

CWE

CWE-174

References

ADP enrichment

CISA-ADP

No English description supplied.

No references supplied.