Authorization Bypass in feiyuchuixue sz-boot-parent API Endpoint
CVE-2026-3185

6.9MEDIUM

Key Information:

Vendor

Feiyuchuixue

Status
Sz-boot-parent
Vendor
CVE Published:
25 February 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-3185?

An authorization bypass vulnerability was identified in the feiyuchuixue sz-boot-parent component, specifically affecting the API Endpoint functionality. This vulnerability arises due to improper handling of the messageId parameter in the /api/admin/sys-message/ file, enabling unauthorized remote access to sensitive user messages. The issue has been publicly disclosed, prompting the recommendation to upgrade to version 1.3.3-beta, which incorporates message ownership verification mechanisms to ensure users can access only their own messages.

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Deploy the Patch

Affected Version(s)

sz-boot-parent 1.3.2-beta

sz-boot-parent 1.3.3-beta

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2026-3185 - Proof of Concept

References

https://vuldb.com/?id.347743
vdb-entrytechnical-description
https://vuldb.com/?ctiid.347743
signaturepermissions-required
https://vuldb.com/?submit.754036
third-party-advisory

CVSS V4

Score:
6.9
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

yuccun (VulDB User)
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