Unrestricted File Upload Vulnerability in Jeecgboot Jeewx-Boot
CVE-2026-82629

5.1MEDIUM

Key Information:

Vendor

Jeecgboot

Status
Jeewx-boot
Vendor
CVE Published:
31 August 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-82629?

An unrestricted file upload vulnerability exists in the Jeecgboot Jeewx-Boot component, specifically within the doUpload function of the MyJwWebJwid3Controller.java file. This flaw allows remote attackers to manipulate file upload arguments, potentially leading to malicious file uploads on the server. Despite being reported, the vendor has yet to address this issue. Given that Jeecgboot follows a rolling release model, version control for updates is ineffective, making it critical for users to be vigilant and proactive in securing their systems.

Affected Version(s)

jeewx-boot 641ab52c3e1845fec39996d7794c33fb40dad1dd

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-2026-82629 - Proof of Concept

References

https://vuldb.com/vuln/397127
vdb-entrytechnical-description
https://vuldb.com/vuln/397127/cti
signaturepermissions-required
https://vuldb.com/cve/CVE-2026-82629
third-party-advisory

CVSS V4

Score:
5.1
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

CyanM0un (VulDB User)
VulDB CNA Team
.