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CVE-2026-9498— Dromara lamp-cloud Message Template GroovyClassLoader.parseClass special elements used in a template engine

CVSS 6.3 · Medium EPSS 0.05% · P14

Possible ATT&CK Techniques 1AI

T1190 · Exploit Public-Facing Application

Affected Version Matrix 3

VendorProductVersion RangeStatus
Dromaralamp-cloud5.6.0affected
5.6.1affected
5.6.2affected
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I. Basic Information for CVE-2026-9498

Vulnerability Information
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Vulnerability Title
Dromara lamp-cloud Message Template GroovyClassLoader.parseClass special elements used in a template engine
Source: NVD (National Vulnerability Database)
Vulnerability Description
A vulnerability has been found in Dromara lamp-cloud up to 5.6.2. Impacted is the function GroovyClassLoader.parseClass of the component Message Template Handler. Such manipulation of the argument DefMsgTemplate.content leads to improper neutralization of special elements used in a template engine. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
Source: NVD (National Vulnerability Database)
Vulnerability Type
CWE-1336
Source: NVD (National Vulnerability Database)
Vulnerability Title
Dromara Lamp-Cloud 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Dromara Lamp-Cloud是dromara开源的基于Jdk11 + SpringCloud + SpringBoot 开发的微服务中后台快速开发平台。 Dromara lamp-cloud 5.6.2及之前版本存在安全漏洞，该漏洞源于Message Template Handler组件中函数GroovyClassLoader.parseClass对参数DefMsgTemplate.content的操作，可能导致模板引擎中特殊元素中和不当。攻击者可远程发起攻击。
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

VendorProductAffected VersionsCPESubscribe
Dromaralamp-cloud 5.6.0 cpe:2.3:a:dromara:lamp-cloud:*:*:*:*:*:*:*:*

II. Public POCs for CVE-2026-9498

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III. Intelligence Information for CVE-2026-9498

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News Coverage for CVE-2026-9498 (1)

IV. Related Vulnerabilities

Same product: lamp-cloud
Same vendor: Dromara
Same weakness: CWE-1336

V. Comments for CVE-2026-9498

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