Auth bypass in Dromara Lamp-Cloud
CVE-2026-94534
lamp-cloud through 5.10.0 fails to validate user identity in PUT /anyone/baseInfo and PUT /anyone/avatar endpoints, allowing authenticated attackers to modify arbitrary user profiles. Attackers can supply target user IDs in request bodies to rewrite profile fields including nickname, ID card, sex, nation, education, work description, and avatar attachments of other users.
Vulnerability class: IDOR (Insecure Direct Object Reference)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.1 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:L.
EPSS exploit prediction
EPSS: 0.005 (41.9th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 42nd percentile — 41.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.005 · newest: 0.005 · change: 0.000
Affected products
Weakness classification (CWE)
References
- github.com/LinYuanyi1/cve-request-poc/blob/master/lamp/poc-03-anyone-baseinfo-w… (exploit)
- github.com/LinYuanyi1/cve-request-poc/blob/master/lamp/poc-06-anyone-avatar-wri… (exploit)
- github.com/dromara/lamp-cloud/blob/bdc1a406eb0f6291e9f6dbad9cbccd67bc6a37b6/lam… (technical-description)
- 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-profile-mod… (third-party-advisory)
Frequently asked questions
- What is CVE-2026-94534?
- CVE-2026-94534 is a high-severity vulnerability in Dromara Lamp-Cloud, classified under Authorization Bypass Through User-Controlled Key. CVSS score: 7.1/10. Published 2026-09-21.
- How severe is CVE-2026-94534?
- High severity. CVSS v3 base score is 7.1 out of 10.