Medium severity · published Oct 12, 2026
CVE-2026-109166
lamp-cloud through 5.10.1 IDOR via /anyone/file/findUrlById
6.5
CVSS
0.2%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
None
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.2% · higher than 15% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
LA
lamp-cloud · dromara
through 5.10.1 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-109166
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-109166
exploit
https://github.com/AnkesKasty/cve-request-poc/blob/a7b6d1423555812d8efa26c91c5d0683164b31e5/lamp-cloud/poc_findUrlById_url.py
technical-description
https://github.com/dromara/lamp-cloud/blob/d61184d7d402023fc3ea63b6bdbd7a1bfdb8ce92/lamp-base/lamp-base-controller/src/main/java/top/tangyh/lamp/file/controller/FileAnyoneController.java#L75-L80
technical-description
https://github.com/dromara/lamp-cloud/blob/d61184d7d402023fc3ea63b6bdbd7a1bfdb8ce92/lamp-base/lamp-base-biz/src/main/java/top/tangyh/lamp/file/strategy/FileContext.java#L147-L170
third-party-advisory
https://www.vulncheck.com/advisories/lamp-cloud-through-5.10.1-idor-via-anyone-file-findurlbyid
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