How serious is CVE-2026-3187?

This vulnerability has a CVSS score of 5.3 out of 10, classified as MEDIUM severity. Proof-of-concept exploit code is publicly available, making this an active threat.

Is there exploit code available for CVE-2026-3187?

Yes, proof-of-concept exploit code for CVE-2026-3187 is publicly available on GitHub and security research platforms. This increases the risk of active exploitation.

Which products are affected by CVE-2026-3187?

CVE-2026-3187 affects szadmin sz-boot-parent. Check the full CVE details for specific version information.

How do I fix CVE-2026-3187?

To remediate CVE-2026-3187, check for security patches from szadmin. Apply all available updates and security patches. If no patch is available, implement recommended workarounds or security controls to mitigate the risk.

CVE-2026-3187

Medium

|5.3

Exploit Available

Plain English Summary

AI-powered analysis for quick understanding

This vulnerability allows an attacker to upload any type of file to a specific API endpoint, which could lead to malicious files being executed on the server. The attack can be carried out remotely, and it affects versions up to 1.3.2-beta, so it's important to upgrade to the latest version to fix the issue.

Technical 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."

CVSS Vector Analysis

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredLow

User InteractionNone

Confidentiality ImpactHigh

Integrity ImpactHigh

Availability ImpactHigh

ScopeChanged

Vector String

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

Exploit Resources

Search for proof-of-concept code and exploit modules

GitHub Search Exploit-DB Nuclei Templates Metasploit Vulners

Official References

NIST NVD

Est. Bounty

$724($500-$1K)

Vendor Response

Grade APatched in 0 days

Quick Information

Published

Feb 25, 2026

about 1 month ago

Last Modified

Feb 26, 2026

about 1 month ago

Vendor

szadmin

Product

sz-boot-parent

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CVE-2026-3185Medium

An attacker can bypass authorization and access or manipulate messages that do not belong to them through a specific API endpoint. This vulnerability affects versions up to 1.3.2-beta and can be exploited remotely, so it's crucial to upgrade to version 1.3.3-beta to fix the issue.