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)
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.004 (37.9th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 38th percentile — 37.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: 0.000
Affected products
Weakness classification (CWE)
References
- github.com/LinYuanyi1/cve-request-poc/blob/master/lamp/poc-02-anyone-file-downl… (exploit)
- github.com/dromara/lamp-cloud/blob/bdc1a406eb0f6291e9f6dbad9cbccd67bc6a37b6/lam… (technical-description)
- github.com/dromara/lamp-cloud (product)
- www.vulncheck.com/advisories/lamp-cloud-through-5.10.0-unauthorized-file-downlo… (third-party-advisory)
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.