Vulnerability · Published Oct 12, 2026 · Assigned by VulnCheck

CVE-2026-109166lamp-cloud through 5.10.1 IDOR via /anyone/file/findUrlById

Medium 6.5

In plain English

A medium-severity authorization bypass via user-controlled key in lamp-cloud from dromara. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 15% of all known vulnerabilities).

Severity (CVSS 3.1)6.5Medium

Exploit odds (30 days)0.2%top 85.0% of all CVEs

Exploited in the wildNo reportsCISA SSVC: poc

Attack toolingNoneno public tooling known

Official description

lamp-cloud through 5.10.1 contains an insecure direct object reference vulnerability that allows authenticated users to obtain storage URLs for other users' files by supplying arbitrary file ids. Attackers can send another user's file ids to the findUrlById handler of FileAnyoneController, which never checks ownership, to retrieve access URLs and read uploaded attachments.

Affected products (as reported)

Vendor	Product	Versions
dromara	lamp-cloud	0 – through 5.10.1

Weakness: CWE-639 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

References

Researcher Proof of Concept exploit
Vulnerable Code (5.10.1) technical-description
Vulnerable Code (5.10.1) technical-description
VulnCheck Advisory: lamp-cloud through 5.10.1 IDOR via /anyone/file/findUrlById third-party-advisory