Path Traversal Vulnerability in weiqingwen spring-boot-forum Avatar Upload Component
CVE-2026-96678

5.3MEDIUM

Key Information:

Vendor

Weiqingwen

Status
Spring-boot-forum
Vendor
CVE Published:
23 September 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-96678?

A security flaw has been identified in the Avatar Upload component of the weiqingwen spring-boot-forum, specifically within the validate function of the NewUserFormValidator.java file. Attackers can leverage this vulnerability by manipulating the Username argument, potentially conducting remote attacks that allow unauthorized access to sensitive files. Despite the vendor being informed of the issue promptly, there has been no response regarding mitigation or patching efforts. The continuous delivery model employed by the product complicates version tracking, leaving users uncertain about which releases might be affected or fixed.

Affected Version(s)

spring-boot-forum 538eecc3c6b85fdf0768ab4e8354b48c0c17d94f

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-2026-96678 - Proof of Concept

References

https://vuldb.com/vuln/409002
vdb-entrytechnical-description
https://vuldb.com/vuln/409002/cti
signaturepermissions-required
https://vuldb.com/cve/CVE-2026-96678
third-party-advisory

CVSS V4

Score:
5.3
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
Low
Availability:
Low
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

silence. (VulDB User)
VulDB CNA Team
.