Vulnerability · Published Oct 13, 2026 · Assigned by VulnCheck

CVE-2026-110108MateCloud through 5.0.8 Missing Authorization via /api/v1/admin/storage API

High 8.1

In plain English

A high-severity missing authorization in MateCloud from mateaix. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 23% of all known vulnerabilities).

Severity (CVSS 3.1)8.1High

Exploit odds (30 days)0.3%top 76.7% of all CVEs

Exploited in the wildNo reportsCISA SSVC: none

Attack toolingNoneno public tooling known

Official description

MateCloud through 5.0.8 contains a missing authorization vulnerability that allows any authenticated user to manage object storage by calling the unprotected /api/v1/admin/storage endpoints in StorageController. Low-privilege or self-registered users can supply arbitrary bucket and objectName values to list objects, obtain pre-signed download URLs for other users' files, delete objects, and upload at chosen keys.

Affected products (as reported)

Vendor	Product	Versions
mateaix	MateCloud	0 – through 5.0.8

Weakness: CWE-862 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N

References

https://hackmd.io/@1ExmmukzRMWN7B4gQ4W-4Q/matecloud-storage-admin-missing-authz third-party-advisory
https://github.com/mateaix/matecloud/blob/57b1edc0f0b8b964448e2d41ef7ba98751e71d8d/mate-biz/mate-system/src/main/java/vip/mate/system/admin/trigger/controller/StorageController.java#L45-L118 technical-description
https://github.com/mateaix/matecloud/blob/57b1edc0f0b8b964448e2d41ef7ba98751e71d8d/mate-gateway/src/main/resources/application.yml#L80-L85 technical-description
https://github.com/mateaix/matecloud product
VulnCheck Advisory: MateCloud through 5.0.8 Missing Authorization via /api/v1/admin/storage API third-party-advisory