CVE-2026-71805CWE-434unrestricted-file-upload

CVE-2026-71805

Critical · published September 10, 2026

CVSS v3.1
9.8
EPSS
1%
Percentile
50.5
In the wild
Unconfirmed
What it is

An arbitrary file upload and path traversal vulnerability exists in LZ-litchi 1.0.0. Unauthenticated remote attackers can upload arbitrary files and write them outside the intended storage directory via the directory parameter in POST /app-api/infra/file/upload.

The record
Technical detail
CVSS v3.1
9.8 · CRITICAL
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.00650 · 50.5th percentile
Weakness
CWE-434 · Unrestricted Upload of File with Dangerous Type
Published
2026-09-10T02:18Z
References (2)
https://github.com/W000i/vuln/issues/9 · [email protected]https://github.com/W000i/vuln/issues/9 · 134c704f-9b21-4f2e-91b3-4a467353bcc0
EPSS history
Timeline
  • 11 SEP 03:18Z
    EPSS moved — → 0%
    epss
  • 09 SEP 00:00Z
    An arbitrary file upload and path traversal vulnerability exists in LZ-litchi 1.0.0
    cvelistv5