---
id: CVE-2026-78850
title: >-
  An issue in Matomo v.5.11.2 allows a remote attacker to obtain sensitive
  information via the SiteContentDetector / SitesManager component
summary: >-
  An issue in Matomo v.5.11.2 allows a remote attacker to obtain sensitive
  information via the SiteContentDetector / SitesManager component
severity: medium
cvss: 5
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:N/A:N'
cwe:
  - CWE-918
published: '2026-10-15'
updated: '2026-10-15'
sourceUpdated: '2026-10-15T18:17:29.350'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-78850'
references:
  - url: 'https://github.com/SLO-CYBER-SEC/CVE-2026-78850'
    label: cve@mitre.org
  - url: 'https://github.com/matomo-org/matomo'
    label: cve@mitre.org
  - url: 'https://github.com/matomo-org/matomo/security/advisories'
    label: cve@mitre.org
  - url: 'https://github.com/matomo-org/matomo/tree/5.11.2'
    label: cve@mitre.org
  - url: 'https://matomo.org/'
    label: cve@mitre.org
  - url: 'https://github.com/SLO-CYBER-SEC/CVE-2026-78850'
    label: 134c704f-9b21-4f2e-91b3-4a467353bcc0
tags:
  - nvd
  - cve.org
  - exploit-available
exploitAvailable: true
ssvc:
  exploitation: poc
  automatable: 'no'
  technicalImpact: partial
  timestamp: '2026-10-15T17:48:05.284989Z'
exploits:
  github: 1
  githubRepos:
    - 'https://github.com/SLO-CYBER-SEC/CVE-2026-78850'
  checkedAt: '2026-10-15T18:24:32.195Z'
ingestedAt: '2026-10-15T17:18:20.101Z'
---

## Overview

An issue in Matomo v.5.11.2 allows a remote attacker to obtain sensitive information via the SiteContentDetector / SitesManager component

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.