MateCloud missing authorization lets authenticated users manage object storage
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Attack requirements
- None
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- High · High · None
- Fix status
- No fix listed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-862.
Summary
MateCloud through 5.0.8 from mateaix contains a missing authorization flaw in the StorageController class (CWE-862). Any authenticated user, including self-registered accounts, can manage object storage by supplying arbitrary bucket and object names. An attacker can list objects, obtain pre-signed download URLs for other users' files, delete objects and upload at chosen keys.
Written with Claude Haiku 5.5 from the sources below · 2026-11-06
Description from the CNA
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.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
Remediation
The sources list no fixed version for MateCloud.
Written with Claude Haiku 5.5 from the sources below · 2026-11-06
Vendor assessments
Timeline
- 2026-10-13 Threatist record created from CVE-2026-110108
- 2026-10-13 Alias added: GHSA-g49f-wwx4-j76v
- 2026-10-14 CISA SSVC decision points changed
- 2026-10-14 Priority changed: MEDIUM → LOW
- 2026-11-06 Affected versions changed · Red Hat
- 2026-11-06 CVSS score added · Red Hat
References
Other 3
- 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
Sources
- CVE-2026-110108 · CVE Program
- CVE-2026-110108 · NVD
- FIRST EPSS
- GHSA-g49f-wwx4-j76v · GitHub Advisory Database · CC BY 4.0
- CVE-2026-110108 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences