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Vulnerability · Published Sep 29, 2026 · Assigned by VulDB

CVE-2026-102771Naichen ThinkCMF Email Template MailController.php templatePut special elements in template engine

Medium 4.7

In plain English

A medium-severity security flaw in ThinkCMF from Naichen. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 15% of all known vulnerabilities).

Severity (CVSS 3.1)4.7Medium
Exploit odds (30 days)0.2%top 85.0% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known

Official description

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.

Affected products (as reported)

VendorProductVersions
Naichen ThinkCMF 8.0.08.0.18.0.28.0.38.0.48.0.58.0.68.0.7

Weakness: CWE-1336, CWE-791 · Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:C

References