CVE-2026-66491

HIGH

Joomla Extension - phoca.cz - Arbitrary File Read in Phoca Commander 1.0.0-6.1.3

Title source: cna
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2026-66491. PoCs published by toanln-cov.

AI-analyzed exploit summary This repository provides a detailed technical analysis of CVE-2026-66491, an arbitrary file read vulnerability in PhocaCommander ≤ 6.1.3. The vulnerability stems from improper path sanitization in the `getSource()` function, allowing authenticated administrators to read files outside the webroot via path traversal sequences without requiring CSRF tokens.

Description

Joomla Extension - phoca.cz - Arbitrary File Read in Phoca Commander 1.0.0-6.1.3 - Improper limitation of paths in the getSource function lead to an arbitrary file read vulnerability.

Exploits (1)

github WRITEUP
by toanln-cov · poc
https://github.com/toanln-cov/CVE-2026-66491

This repository provides a detailed technical analysis of CVE-2026-66491, an arbitrary file read vulnerability in PhocaCommander ≤ 6.1.3. The vulnerability stems from improper path sanitization in the `getSource()` function, allowing authenticated administrators to read files outside the webroot via path traversal sequences without requiring CSRF tokens.

Classification
Writeup 98%
Attack Type
Info Leak
Complexity
Trivial
Reliability
Reliable
Target: PhocaCommander 1.0.0 – 6.1.3 (Joomla component)
Auth required
Prerequisites: Authenticated administrator session in Joomla · Access to the Joomla administrator panel
mistral-large-3 · analyzed Aug 08, 2026 Full analysis →

References (1)

Core 1
Core References

Scores

CVSS v4 8.2
EPSS 0.0031
EPSS Percentile 23.7%
CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:N/VA:N/SC:H/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact partial

Details

CWE
CWE-22
Status published
Products (1)
phoca.cz/Phoca Commander extension for Joomla 1.0.0-6.1.3
Published Aug 07, 2026
Tracked Since Aug 07, 2026