What is CVE-2026-71805?

CVE-2026-71805 is a critical-severity vulnerability in N/a, classified under Unrestricted Upload of File with Dangerous Type. CVSS score: 9.8/10. Published 2026-09-09.

How severe is CVE-2026-71805?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Arbitrary file upload in N/a

CVE-2026-71805

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.

Vulnerability class: Unrestricted File Upload

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

CWE-434 — Unrestricted Upload of File with Dangerous Type

References

cve@mitre.org

Frequently asked questions

What is CVE-2026-71805?: CVE-2026-71805 is a critical-severity vulnerability in N/a, classified under Unrestricted Upload of File with Dangerous Type. CVSS score: 9.8/10. Published 2026-09-09.
How severe is CVE-2026-71805?: Critical severity. CVSS v3 base score is 9.8 out of 10.