Deserialization Vulnerability in WebUploader Component of Yuan1994 Tpadmin
CVE-2026-2113

6.9MEDIUM

Key Information:

Vendor

Yuan1994

Status
Tpadmin
Vendor
CVE Published:
7 February 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-2113?

A security vulnerability has been identified in the WebUploader component of Yuan1994's Tpadmin software. Found in the file /public/static/admin/lib/webuploader/0.1.5/server/preview.php, this flaw enables deserialization of untrusted data. Attackers can exploit this vulnerability remotely, putting users at risk. The affected versions are no longer supported by the developer, increasing the likelihood of malicious activities. It is crucial for users to assess their exposure and consider security measures.

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Affected Version(s)

tpadmin 1.3.0

tpadmin 1.3.1

tpadmin 1.3.2

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-2026-2113 - Proof of Concept

References

https://vuldb.com/?id.344688
vdb-entry
https://vuldb.com/?ctiid.344688
signaturepermissions-required
https://vuldb.com/?submit.746795
third-party-advisory

CVSS V4

Score:
6.9
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

sT1TcH (VulDB User)
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