Unrestricted Upload Vulnerability in SaiAdmin Plugin by Saithink
CVE-2026-19383

5.1MEDIUM

Key Information:

Vendor

Saithink

Status
Saiadmin
Vendor
CVE Published:
10 August 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-19383?

A vulnerability exists in the SaiAdmin by Saithink, impacting versions up to 5.0.1. The flaw enables unrestricted file uploads through the 'shell_exec' function located in the Plugin Upload Endpoint. This security gap allows for potential remote code execution, posing significant risks as it can be exploited by unauthorized individuals. Public knowledge of the exploit further exacerbates the threat landscape, making it crucial for users to address this vulnerability promptly.

Affected Version(s)

SaiAdmin 5.0.0

SaiAdmin 5.0.1

SaiAdmin 5.0.0

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-2026-19383 - Proof of Concept

References

https://vuldb.com/vuln/387276
vdb-entrytechnical-description
https://vuldb.com/vuln/387276/cti
signaturepermissions-required
https://vuldb.com/cve/CVE-2026-19383
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

xiaobu (VulDB User)
.