What’s Vulnerable › Vulnerabilities

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

• Severity: medium (CVSS 4.7 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-09-29 · updated 2026-09-30
• Weakness: CWE-791

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

• Naichen ThinkCMF: 8.0.0, 8.0.1, 8.0.2, 8.0.3, 8.0.4, 8.0.5 (+2)

References

• https://github.com/coolcj-stack/ThinkCMF-v8.0.1-SSTI-Vulnerability/blob/main/ThinkCMF_Vulnerability_Report_EN.docx
• https://vuldb.com/cve/CVE-2026-102771
• https://vuldb.com/submit/943081
• https://vuldb.com/vuln/411468
• https://vuldb.com/vuln/411468/cti

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