Auth bypass in Dromara Lamp-Cloud

CVE-2026-94533

lamp-cloud through 5.10.0 contains an authorization bypass vulnerability in FileAnyoneController that allows authenticated users to download arbitrary attachments. Attackers can retrieve other users' stored files by supplying valid attachment identifiers to the /anyone/file/down and /anyone/file/download endpoints, as the application never validates file ownership against the created_by column.

Vulnerability class: IDOR (Insecure Direct Object Reference)

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-94533?
CVE-2026-94533 is a medium-severity vulnerability in Dromara Lamp-Cloud, classified under Authorization Bypass Through User-Controlled Key. CVSS score: 6.5/10. Published 2026-09-21.
How severe is CVE-2026-94533?
Medium severity. CVSS v3 base score is 6.5 out of 10.