Skip to main content

CVE detail

CVE-2026-39408

Hono is a Web application framework that provides support for any JavaScript runtime. Prior to 4.12.12, a path traversal issue in toSSG() allows files to be written outside the configured output directory during static site generation. When using dynamic route parameters via ssgParams, specially crafted values can cause generated file paths to escape the intended output directory. This vulnerability is fixed in 4.12.12.

CVSS 5.9 · MediumBuzz score 18.9

Buzz score

Why this CVE is surfacing

Buzz score total 18.9

This all-time snapshot uses the same composite formula as Trending across a 30-year evidence window, rather than a current rolling window.

Buzz score components · mention 13.9 · diversity 5.0 · KEV 0.0 · OTX 0.0 · PoC 0.0
Mention score
13.9
3 evidence mentions in the snapshot
Diversity score
5.0
1 sources across 1 categories
KEV score
0.0
No KEV entry observed
OTX score
0.0
0 OTX pulses
PoC score
0.0
0 repos · best confidence N/A
Best PoC traction
0
Maximum stars on a matched PoC repo

Why it matters now

Mention timeline

Total mentions
0
within the 30d window
Peak daily
0
highest bucket

Evidence

Source links by recency

Newest mentions first
3 source links · newest first

Exploit code

Public exploit repository references

Public PoC repositories are third-party, potentially unsafe artifacts. Treat their code as untrusted and use it only on authorized systems in an isolated, least-privilege environment. cvebuzz does not execute the code or verify that an exploit works.

0 repository references · best confidence N/A · max 0 stars
No public PoC repositories have been matched yet.

Related records

Similar CVEs

6 related CVEs with shared weakness or product evidence
  • CVE-2026-39407

    Hono is a Web application framework that provides support for any JavaScript runtime. Prior to 4.12.12, a path handling inconsistency in serveStatic allows protected static files…

    CVSS 5.3 · Medium
    3 mentions
  • CVE-2024-32869

    Hono is a Web application framework that provides support for any JavaScript runtime. Prior to version 4.2.7, when using serveStatic with deno, it is possible to traverse the dire…

    CVSS 5.3 · Medium
  • CVE-2026-14484

    The RapiSafe – Secure Multi File Upload for Contact Form 7 plugin for WordPress is vulnerable to arbitrary file deletion due to insufficient file path validation in the handleAjax…

    CVSS 9.1 · Critical
    7 mentions
  • CVE-2026-18554

    IBM Db2 Mirror for i 7.4, 7.5, and 7.6 could allow a remote authenticated attacker to obtain sensitive information due to improper limitation of a pathname to a restricted directo…

    CVSS 7.5 · High
    1 mention
  • CVE-2026-18178

    IBM Db2 Mirror for i 7.4, 7.5, and 7.6 could allow a remote authenticated attacker to delete arbitrary files due to path traversal.

    CVSS 5.4 · Medium
    1 mention
  • CVE-2026-17181

    IBM Db2 Mirror for i 7.4, 7.5, and 7.6 could allow a remote attacker to write files to arbitrary locations due to path traversal.

    CVSS 9.3 · Critical
    1 mention