---
id: CVE-2026-102771
title: A security vulnerability has been detected in Naichen ThinkCMF up to 8.0.7
summary: >-
  A security vulnerability has been detected in Naichen ThinkCMF up to 8.0.7.
  Affected by this issue is the function MailController::templatePut of the file
  cmf-api/src/admin/controller/MailController.php of the component Email
  Template. T…
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-791
  - CWE-1336
vendor: Naichen
product: ThinkCMF
affected:
  - ThinkCMF 8.0.0
  - ThinkCMF 8.0.1
  - ThinkCMF 8.0.2
  - ThinkCMF 8.0.3
  - ThinkCMF 8.0.4
  - ThinkCMF 8.0.5
  - ThinkCMF 8.0.6
  - ThinkCMF 8.0.7
published: '2026-09-29'
updated: '2026-09-29'
sourceUpdated: '2026-09-29T22:17:08.623'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-102771'
references:
  - url: >-
      https://github.com/coolcj-stack/ThinkCMF-v8.0.1-SSTI-Vulnerability/blob/main/ThinkCMF_Vulnerability_Report_EN.docx
    label: cna@vuldb.com
  - url: 'https://vuldb.com/cve/CVE-2026-102771'
    label: cna@vuldb.com
  - url: 'https://vuldb.com/submit/943081'
    label: cna@vuldb.com
  - url: 'https://vuldb.com/vuln/411468'
    label: cna@vuldb.com
  - url: 'https://vuldb.com/vuln/411468/cti'
    label: cna@vuldb.com
tags:
  - nvd
  - cve.org
ingestedAt: '2026-09-29T22:51:53.139Z'
---

## Overview

A security vulnerability has been detected in Naichen ThinkCMF up to 8.0.7. Affected by this issue is the function MailController::templatePut of the file cmf-api/src/admin/controller/MailController.php of the component Email Template. The manipulation leads to improper neutralization of special elements used in a template engine. The attack is possible to be carried out remotely. The exploit has been disclosed publicly and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

## Remediation

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