CVE-2026-71805 LZ-litchi - Unrestricted File Upload

LZ-litchi 1.0.0 contains an unrestricted file upload and path traversal vulnerability caused by improper validation of the directory parameter in POST /app-api/infra/file/upload, letting unauthenticated remote attackers upload and write arbitrary files outside intended directories.

CVSS base score 9.8 /10
Critical
CISA KEV
Not listed
Public exploit
None known
Authentication
Not required
EPSS
0.65% chance of exploitation in 30 days
View the NVD record ↗

Details

Type
Unrestricted File Upload
Impact
File System Write, Remote Code Execution
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Published
9 September 2026
Updated
15 October 2026
Weakness
CWE-434

Vendor fix

Update to the latest version that patches this vulnerability.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

References

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