CVE-2026-3187

Name: CVE-2026-3187
Creator: NVD / NIST
Published: 2026-02-25T15:20:55.277+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

LOWCVSS 2.1/10EPSS 0.31%

Last modified Jun 17, 2026

CVE-2026-3187 is a low-severity vulnerability rated 2.1/10 on the CVSS scale. 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. EPSS estimates a 0.31% chance of exploitation in the next 30 days.

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."

Metrics

CVSS 3.1

9.8/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CVSS 4.0

2.1/10

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

EPSS Probability

0.31%

22.3th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions	Update
Szadmin	Sz-Boot-Parent	<= 0.9.0	—
Szadmin	Sz-Boot-Parent	1.0.0	Beta
Szadmin	Sz-Boot-Parent	1.0.1	Beta
Szadmin	Sz-Boot-Parent	1.0.2	Beta
Szadmin	Sz-Boot-Parent	1.1.0	Beta
Szadmin	Sz-Boot-Parent	1.2.0	Beta
Szadmin	Sz-Boot-Parent	1.2.1	Beta
Szadmin	Sz-Boot-Parent	1.2.2	Beta
Szadmin	Sz-Boot-Parent	1.2.3	Beta
Szadmin	Sz-Boot-Parent	1.2.4	Beta
Szadmin	Sz-Boot-Parent	1.2.5	Beta
Szadmin	Sz-Boot-Parent	1.2.6	Beta
Szadmin	Sz-Boot-Parent	1.3.0	Beta
Szadmin	Sz-Boot-Parent	1.3.1	Beta
Szadmin	Sz-Boot-Parent	1.3.2	Beta

References

https://github.com/feiyuchuixue/sz-boot-parent/Product
https://github.com/feiyuchuixue/sz-boot-parent/commit/aefaabfd7527188bfba3c8c9eee17c316d094802Patch
https://github.com/feiyuchuixue/sz-boot-parent/releases/tag/v1.3.3-betaRelease Notes
https://github.com/yuccun/CVE/blob/main/sz-boot-parent-Arbitrary_File_Upload.mdExploit, Third Party Advisory
https://vuldb.com/?ctiid.347745Permissions Required, VDB Entry
https://vuldb.com/?id.347745Third Party Advisory, VDB Entry
https://vuldb.com/?submit.754038Third Party Advisory, VDB Entry

Timeline

Published: Feb 25, 2026
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2026-3187?

How severe is CVE-2026-3187?

CVE-2026-3187 has a CVSS score of 2.1/10 (LOW severity). The EPSS model estimates a 0.31% probability of exploitation in the next 30 days.

How do I fix CVE-2026-3187?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2026-3187?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST