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CVE-2026-54286 Hono: Path traversal in `serve-static` on Windows via encoded backslash (`%5C`)

🗓️ 22 Jun 2026 17:14:40Reported by GitHub_MType 
cvelist
 cvelist
🔗 www.cve.org👁 49 Views

Hono before 4.12.25 on Windows allows path traversal via encoded backslash to read static files.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
ibm
IBM Security Bulletins
Security Bulletin: IBM App Connect Enterprise is vulnerable to multiple vulnerabilities due to Node.js module @hono/node-server
23 Jul 202609:30
ibm
attackerkb
ATTACKERKB
CVE-2026-54286
22 Jun 202617:14
attackerkb
cgr
Chainguard
CVE-2026-54286 vulnerabilities
17 Jun 202620:23
cgr
cve
CVE
CVE-2026-54286
22 Jun 202617:14
cve
euvd
EUVD
EUVD-2026-38327
22 Jun 202617:14
euvd
github
Github Security Blog
hono: Path traversal in `serve-static` on Windows via encoded backslash (`%5C`)
16 Jun 202614:09
github
nvd
NVD
CVE-2026-54286
22 Jun 202618:16
nvd
osv
OSV
CGA-2FCM-HWH2-829J
17 Jun 202612:04
osv
osv
OSV
CGA-2GHC-5VM8-2JG8
17 Jun 202613:34
osv
osv
OSV
CGA-2RJM-CXGM-C36J
26 Jun 202612:29
osv
Rows per page
[
  {
    "vendor": "honojs",
    "product": "hono",
    "versions": [
      {
        "version": "< 4.12.25",
        "status": "affected"
      }
    ]
  }
]

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22 Jun 2026 17:14Current
CVSS 3.15.9
EPSS0.00433
49