Arbitrary file upload in Feiyuchuixue Sz-Boot-Parent
CVE-2026-3187
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."
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L.
EPSS exploit prediction
EPSS: 0.005 (42.6th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 43rd percentile — 42.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.003 · newest: 0.005 · change: +0.002
Affected products
- Feiyuchuixue Sz-Boot-Parent — versions 1.3.2-beta, 1.3.3-beta
- Szadmin Sz-Boot-Parent — versions 1.0.0, 1.0.1, 1.0.2
Weakness classification (CWE)
References
- vuldb.com/ (VDB Entry, Third Party Advisory, vdb-entry)
- vuldb.com/ (signature, Permissions Required, permissions-required, VDB Entry)
- vuldb.com/ (VDB Entry, Third Party Advisory, third-party-advisory)
- github.com/yuccun/CVE/blob/main/sz-boot-parent-Arbitrary_File_Upload.md (Exploit, Third Party Advisory, exploit)
- github.com/feiyuchuixue/sz-boot-parent/commit/aefaabfd7527188bfba3c8c9eee17c316… (Patch, patch)
- github.com/feiyuchuixue/sz-boot-parent/releases/tag/v1.3.3-beta (Release Notes, patch)
- github.com/feiyuchuixue/sz-boot-parent/ (Product, product)
Frequently asked questions
- What is CVE-2026-3187?
- CVE-2026-3187 is a medium-severity vulnerability in Feiyuchuixue Sz-Boot-Parent, classified under Improper Access Control. CVSS score: 6.3/10. Published 2026-02-25.
- How severe is CVE-2026-3187?
- Medium severity. CVSS v3 base score is 6.3 out of 10.