Server-Side Request Forgery in TinyFileManager by prasathmani
CVE-2026-6497

5.3MEDIUM

Key Information:

Vendor

Prasathmani

Status
Tinyfilemanager
Vendor
CVE Published:
17 April 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-6497?

A vulnerability exists in TinyFileManager, specifically in the file upload functionality located at /filemanager.php?p=ajax=true&type=upload. This flaw allows an attacker to manipulate the uploadurl parameter, potentially leading to a server-side request forgery (SSRF) attack. Such an attack can be initiated remotely, enabling the attacker to send unauthorized requests to internal services. Despite early disclosure efforts to the vendor, there has been no response or action taken, leaving users at risk of exploitation.

Affected Version(s)

TinyFileManager 2.0

TinyFileManager 2.1

TinyFileManager 2.2

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-2026-6497 - Proof of Concept

References

https://vuldb.com/vuln/358040
vdb-entrytechnical-description
https://vuldb.com/vuln/358040/cti
signaturepermissions-required
https://vuldb.com/submit/787943
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

0xNayel (VulDB User)
VulDB CNA Team
.