---
id: CVE-2026-90788
title: A security flaw has been discovered in magicblack MacCMS10 2026.1000.4055
summary: >-
  A security flaw has been discovered in magicblack MacCMS10 2026.1000.4055.
  Affected by this vulnerability is an unknown functionality of the file
  /admin1.php/admin/template/index/path/.%40template%40default%40html%40label.html
  of the com…
severity: medium
cvss: 4.7
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L'
cwe:
  - CWE-77
  - CWE-78
vendor: magicblack
product: MacCMS10
affected:
  - MacCMS10 2026.1000.4055
published: '2026-09-14'
updated: '2026-09-16'
sourceUpdated: '2026-09-16T16:17:20.710'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-90788'
references:
  - url: 'https://github.com/magicblack/maccms10/'
    label: cna@vuldb.com
  - url: 'https://github.com/magicblack/maccms10/issues/1378'
    label: cna@vuldb.com
  - url: 'https://vuldb.com/cve/CVE-2026-90788'
    label: cna@vuldb.com
  - url: 'https://vuldb.com/submit/919268'
    label: cna@vuldb.com
  - url: 'https://vuldb.com/vuln/403294'
    label: cna@vuldb.com
  - url: 'https://vuldb.com/vuln/403294/cti'
    label: cna@vuldb.com
tags:
  - nvd
  - cve.org
  - exploit-available
epss: 0.02184
epssPercentile: 0.81625
exploitAvailable: true
ssvc:
  exploitation: poc
  automatable: 'no'
  technicalImpact: partial
  timestamp: '2026-09-16T15:05:14.422569Z'
ingestedAt: '2026-09-14T15:23:07.422Z'
---

## Overview

A security flaw has been discovered in magicblack MacCMS10 2026.1000.4055. Affected by this vulnerability is an unknown functionality of the file /admin1.php/admin/template/index/path/.%40template%40default%40html%40label.html of the component Template Handler. Performing a manipulation results in os command injection. The attack may be initiated remotely. The exploit has been released to the public and may be used for attacks. The project was informed of the problem early through an issue report but has not responded yet.

## Remediation

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