---
id: "CVE-2026-104720"
kind: "vulnerability"
aliases: ["CVE-2026-104720"]
title: "Kobikom: path traversal flaw in KobiPBX before r1 update"
severity: "high"
cvss: 7.5
epss: null
exploited: false
status: "open"
category: "infrastructure"
products: []
ecosystems: []
tags: ["infrastructure", "kobikom", "kobipbx", "self-hosted", "telephony"]
not_affected_if: ["already-on-kobipbx-fop3-sec-r1"]
published_at: "2026-11-05T14:16:59+00:00"
first_seen_at: "2026-11-05T14:39:16+00:00"
updated_at: "2026-11-05T14:40:26+00:00"
sources: [{"source": "nvd", "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-104720", "first_seen_at": "2026-11-05T14:39:16+00:00"}]
exploit_sources: []
---

# Kobikom: path traversal flaw in KobiPBX before r1 update

Kobikom's KobiPBX phone system contains a path traversal flaw, letting a request reach files outside the directory it should be limited to. Versions before KobiPBX-FOP3-SEC-r1 are affected, and an attacker could read files on the system.

_Summary, check and fix written by a model from the sources; labelled as such._

## How to check

- Check whether the KobiPBX installation is older than `KobiPBX-FOP3-SEC-r1`

## Fix

- KobiPBX: move to `KobiPBX-FOP3-SEC-r1` or later

## Timeline

- 2026-11-05T14:39:16+00:00 nvd https://nvd.nist.gov/vuln/detail/CVE-2026-104720

## From the sources

Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') vulnerability in Kobikom Telecommunications and Informatics Services Inc. Kobikom allows Path Traversal.

This issue affects Kobikom: before KobiPBX-FOP3-SEC-r1.

---

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