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CVE-2026-66491 phoca.cz CVE debrief

The CVE-2026-66491 record describes an arbitrary file read vulnerability in Phoca Commander 1.0.0-6.1.3, a Joomla extension, due to improper limitation of paths in the getSource function. This vulnerability, with a CVSS score of 8.2, could allow attackers to read arbitrary files. Users of affected versions should verify their installations and consider updating to a patched version. The CVE record was published on 2026-08-07T09:16:59.010Z and has not been modified since then. The debrief is based on the supplied source corpus and aims to provide an overview of the vulnerability and its potential impact.

Vendor
phoca.cz
Product
Phoca Commander extension for Joomla
CVSS
HIGH 8.2
CISA KEV
Not listed in stored evidence
Original CVE published
2026-08-07
Original CVE updated
2026-08-26
Advisory published
2026-08-07
Advisory updated
2026-08-26

Who should care

Users of Phoca Commander 1.0.0-6.1.3, Joomla site administrators, and security teams monitoring for potential file read vulnerabilities should be aware of this CVE record. They should verify their installations and consider updating to a patched version if available. Additionally, they should monitor for suspicious activity related to file reads and review compensating controls for exposed systems while remediation is scheduled and verified.

Technical summary

The CVE record describes an arbitrary file read vulnerability in Phoca Commander 1.0.0-6.1.3 due to improper limitation of paths in the getSource function, leading to a CVSS score of 8.2. This vulnerability could allow attackers to read arbitrary files, potentially leading to unauthorized access to sensitive information. The technical summary is based on the supplied source corpus and aims to provide a technical framing of the vulnerability.

Defensive priority

Organizations using Phoca Commander 1.0.0-6.1.3 should verify their installations and consider updating to a patched version.

Recommended defensive actions

  • Verify Phoca Commander installations for potential vulnerabilities
  • Consider updating to a patched version if available
  • Monitor for suspicious activity related to file reads

Evidence notes

The CVE record indicates an arbitrary file read vulnerability in Phoca Commander 1.0.0-6.1.3 due to improper limitation of paths in the getSource function. Detailed information about affected products and versions is limited. The evidence is based on the official CVE Program record and the NIST NVD detail page. Defenders should verify the installation of Phoca Commander 1.0.0-6.1.3 and monitor for suspicious activity related to file reads.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-66491 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-66491

    CVE Program - Official CVE Program record with source-provided CVE metadata.

  • CVE-2026-66491 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-66491

    NIST National Vulnerability Database - Official NIST NVD detail page and source-specific vulnerability assessment.

Supplemental references

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.