Arbitrary File Read Vulnerability in Phoca Commander by phoca.cz
CVE-2026-66491

8.2HIGH

Key Information:

Vendor

Phoca.cz

Status
Phoca Commander Extension For Joomla
Vendor
CVE Published:
7 August 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-66491?

An arbitrary file read vulnerability exists in Phoca Commander, a Joomla extension, due to improper path limitations in the getSource function. This flaw enables attackers to access unintended files on the server, potentially leading to the exposure of sensitive information.

Affected Version(s)

Phoca Commander extension for Joomla 1.0.0-6.1.3

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-2026-66491
Created by toanln-cov

References

https://www.phoca.cz/phocacommander
product

CVSS V4

Score:
8.2
Severity:
HIGH
Confidentiality:
High
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • Vulnerability published

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability Reserved

Credit

Toan Le
.