CVE-2026-9498
Deferred Deferred - Pending Action
Improper Template Neutralization in Dromara lamp-cloud

Publication date: 2026-05-25

Last updated on: 2026-05-25

Assigner: VulDB

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.
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Meta Information
Published
2026-05-25
Last Modified
2026-05-25
Generated
2026-06-15
AI Q&A
2026-05-26
EPSS Evaluated
2026-06-14
NVD
CVE-2026-9498
EUVD
EUVD-2026-31733
Affected Vendors & Products
Showing 1 associated CPE
Vendor Product Version / Range
dromara lamp-cloud to 5.6.2 (inc)
Helpful Resources
Exploitability
CWE
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KEV
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CWE ID Description
CWE-1336 The product uses a template engine to insert or process externally-influenced input, but it does not neutralize or incorrectly neutralizes special elements or syntax that can be interpreted as template expressions or other code directives when processed by the engine.
CWE-791 The product receives data from an upstream component, but does not completely filter special elements before sending it to a downstream component.
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Executive Summary

This vulnerability exists in the Dromara lamp-cloud software up to version 5.6.2, specifically in the GroovyClassLoader.parseClass function of the Message Template Handler component. It involves improper neutralization of special elements in a template engine when manipulating the argument DefMsgTemplate.content. This flaw can be exploited remotely.

Impact Analysis

Exploiting this vulnerability could allow an attacker to manipulate template content improperly, potentially leading to unauthorized actions or code execution within the affected system. Since the attack can be launched remotely, it increases the risk of compromise without requiring local access.

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