CVE-2026-102771CWE-1336CWE-791

CVE-2026-102771

Medium · published September 30, 2026

CVSS v3.1
4.7
EPSS
0%
Percentile
14.1
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
4.7 · MEDIUM
Vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L
CVSS v4.0
5.1 · CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P
EPSS
0.00239 · 14.1th percentile
Weaknesses
CWE-1336 · Improper Neutralization of Special Elements Used in a Template Engine; CWE-791 · Incomplete Filtering of Special Elements
Published
2026-09-30T02:17Z
References (5)
https://github.com/coolcj-stack/ThinkCMF-v8.0.1-SSTI-Vulnerability/blob/main/ThinkCMF_Vulnerability_Report_EN.docx · [email protected]https://vuldb.com/cve/CVE-2026-102771 · [email protected]https://vuldb.com/submit/943081 · [email protected]https://vuldb.com/vuln/411468 · [email protected]https://vuldb.com/vuln/411468/cti · [email protected]
EPSS history
Timeline
  • 01 OCT 03:44Z
    EPSS moved — → 0%
    epss
  • 29 SEP 22:00Z
    Naichen ThinkCMF Email Template MailController.php templatePut special elements in template engine
    cvelistv5