Server-Side Request Forgery in PSI Probe by psi-probe Vendor
CVE-2026-3270

5.3MEDIUM

Key Information:

Vendor

Psi-probe

Status
Psi Probe
Vendor
CVE Published:
26 February 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-3270?

A server-side request forgery vulnerability exists in PSI Probe versions up to 5.3.0, specifically affecting the Whois functionality. This security flaw allows an attacker to manipulate the application to send unauthorized requests from the server. The vulnerability can be exploited remotely, posing a significant risk to the affected systems. Despite early disclosure of the issue to the vendor, there was no response, potentially leaving users vulnerable to exploitation.

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Affected Version(s)

PSI Probe 5.0

PSI Probe 5.1

PSI Probe 5.2

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-2026-3270 - Proof of Concept

References

https://vuldb.com/?id.347994
vdb-entrytechnical-description
https://vuldb.com/?ctiid.347994
signaturepermissions-required
https://vuldb.com/?submit.758666
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

Ana10gy (VulDB User)
VulDB
JSON
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