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CVE-2026-3725— 1024-lab/lab1024 SmartAdmin FreeMarker Template MailService.java freemarkerResolverContent special elements used in a template engine

Quick assessment

Affected
1024-lab SmartAdmin
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

smart-admin是1024-lab个人开发者的一个快速开发平台。 smart-admin 3.29及之前版本存在安全漏洞，该漏洞源于对文件sa-base/src/main/java/net/lab1024/sa/base/module/support/mail/MailService.java中参数template_content的错误操作，可能导致模板引擎特殊元素中和不当。

CVSS 6.3 · Medium EPSS 0.40% · P33

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2026-3725

Vulnerability Information
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Vulnerability Title
1024-lab/lab1024 SmartAdmin FreeMarker Template MailService.java freemarkerResolverContent special elements used in a template engine
Source: CVE Program / CVE List V5
Vulnerability Description
A flaw has been found in 1024-lab/lab1024 SmartAdmin up to 3.29. Affected by this issue is the function freemarkerResolverContent of the file sa-base/src/main/java/net/lab1024/sa/base/module/support/mail/MailService.java of the component FreeMarker Template Handler. Executing a manipulation of the argument template_content can lead to improper neutralization of special elements used in a template engine. The attack can be launched remotely. The exploit has been published and may be used. The vendor was contacted early about this disclosure but did not respond in any way.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
CWE-1336
Source: CVE Program / CVE List V5
Vulnerability Title
smart-admin 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
smart-admin是1024-lab个人开发者的一个快速开发平台。 smart-admin 3.29及之前版本存在安全漏洞，该漏洞源于对文件sa-base/src/main/java/net/lab1024/sa/base/module/support/mail/MailService.java中参数template_content的错误操作，可能导致模板引擎特殊元素中和不当。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
1024-lab SmartAdmin 3.0 -
lab1024 SmartAdmin 3.0 -

II. Public POCs for CVE-2026-3725

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III. Intelligence Information for CVE-2026-3725

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Vendor Advisories for CVE-2026-3725 (2)

Security Blog Posts for CVE-2026-3725 (1)

Same Patch Batch · 1024-lab · 2026-03-08 · 3 CVEs total

CVE-2026-3720 3.5 LOW 1024-lab/lab1024 SmartAdmin Notice notice-form-drawer.vue cross site scripting
CVE-2026-3721 3.5 LOW 1024-lab/lab1024 SmartAdmin Help Documentation HelpDocAddForm.java cross site scripting

IV. Related Vulnerabilities

Same product: SmartAdmin
Same vendor: 1024-lab
Same weakness: CWE-1336

V. Comments for CVE-2026-3725

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