Deserialization Vulnerability in funadmin Affects Remote Endpoint Access
CVE-2026-2898

5.1MEDIUM

Key Information:

Vendor

funadmin

Status
Funadmin
Vendor
CVE Published:
22 February 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-2898?

A vulnerability has been identified in funadmin's Backend Endpoint, specifically within the getMember function of the AuthCloudService.php file. This flaw allows an attacker to manipulate the cloud_account argument, leading to potential remote code execution through deserialization of untrusted data. This significant security risk has become public knowledge, and the vendor has not responded to preliminary disclosures regarding the issue. Organizations using affected versions should take immediate action to mitigate this vulnerability to safeguard their systems.

Affected Version(s)

funadmin 7.1.0-rc1

funadmin 7.1.0-rc2

funadmin 7.1.0-rc3

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-2026-2898 - Proof of Concept

References

https://vuldb.com/?id.347209
vdb-entrytechnical-description
https://vuldb.com/?ctiid.347209
signaturepermissions-required
https://vuldb.com/?submit.753976
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:
Unknown

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

I4m6da (VulDB User)
.