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5.3
Feiyuchuixue sz-boot-parent: Unrestricted File Upload in API Endpoint
CVE-2026-3187
Summary
An attacker can upload files of any type to a sensitive API endpoint, potentially leading to security risks. This issue affects the '/api/admin/sys-file/upload' endpoint in the feiyuchuixue sz-boot-parent component. To fix this issue, update to version 1.3.3-beta or configure the component to restrict file uploads to specific types and extensions.
What to do
No fix is available yet. Check with your software vendor for updates.
Affected software
| Vendor | Product | Affected versions | Fix available |
|---|---|---|---|
| szadmin | sz-boot-parent | <= 0.9.0 | – |
| szadmin | sz-boot-parent | 1.0.0 | – |
| szadmin | sz-boot-parent | 1.0.1 | – |
| szadmin | sz-boot-parent | 1.0.2 | – |
| szadmin | sz-boot-parent | 1.1.0 | – |
| szadmin | sz-boot-parent | 1.2.0 | – |
| szadmin | sz-boot-parent | 1.2.1 | – |
| szadmin | sz-boot-parent | 1.2.2 | – |
| szadmin | sz-boot-parent | 1.2.3 | – |
| szadmin | sz-boot-parent | 1.2.4 | – |
| szadmin | sz-boot-parent | 1.2.5 | – |
| szadmin | sz-boot-parent | 1.2.6 | – |
| szadmin | sz-boot-parent | 1.3.0 | – |
| szadmin | sz-boot-parent | 1.3.1 | – |
| szadmin | sz-boot-parent | 1.3.2 | – |
Original title
A vulnerability was identified in feiyuchuixue sz-boot-parent up to 1.3.2-beta. Affected by this issue is some unknown functionality of the file /api/admin/sys-file/upload of the component API Endp...
Original description
A vulnerability was identified in feiyuchuixue sz-boot-parent up to 1.3.2-beta. Affected by this issue is some unknown functionality of the file /api/admin/sys-file/upload of the component API Endpoint. Such manipulation leads to unrestricted upload. The attack may be launched remotely. The exploit is publicly available and might be used. Upgrading to version 1.3.3-beta can resolve this issue. The name of the patch is aefaabfd7527188bfba3c8c9eee17c316d094802. Upgrading the affected component is recommended. The project was informed beforehand and acted very professional: "We have introduced a whitelist restriction on the /api/admin/sys-file/upload endpoint via the oss.allowedExts and oss.allowedMimeTypes configuration options, allowing the specification of permitted file extensions and MIME types for uploads."
nvd CVSS2.0
6.5
nvd CVSS3.1
9.8
nvd CVSS4.0
5.3
Vulnerability type
CWE-284
Improper Access Control
CWE-434
Unrestricted File Upload
- https://github.com/feiyuchuixue/sz-boot-parent/ Product
- https://github.com/feiyuchuixue/sz-boot-parent/commit/aefaabfd7527188bfba3c8c9ee... Patch
- https://github.com/feiyuchuixue/sz-boot-parent/releases/tag/v1.3.3-beta Release Notes
- https://github.com/yuccun/CVE/blob/main/sz-boot-parent-Arbitrary_File_Upload.md Exploit Third Party Advisory
- https://vuldb.com/?ctiid.347745 Permissions Required VDB Entry
- https://vuldb.com/?id.347745 Third Party Advisory VDB Entry
- https://vuldb.com/?submit.754038 Third Party Advisory VDB Entry
Published: 25 Feb 2026 · Updated: 12 Mar 2026 · First seen: 6 Mar 2026