CWE-791
Incomplete Filtering of Special Elements
The product receives data from an upstream component, but does not completely filter special elements before sending it to a downstream component.
CVE-2026-9498 (GCVE-0-2026-9498)
Vulnerability from cvelistv5 – Published: 2026-05-25 20:00 – Updated: 2026-05-28 15:44
VLAI
Title
Dromara lamp-cloud Message Template GroovyClassLoader.parseClass special elements used in a template engine
Summary
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.
Severity
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
Assigner
References
4 references
| URL | Tags |
|---|---|
| https://vuldb.com/vuln/365481 | vdb-entrytechnical-description |
| https://vuldb.com/vuln/365481/cti | signaturepermissions-required |
| https://vuldb.com/submit/814103 | third-party-advisory |
| https://github.com/Ku4D3/bug_story/blob/main/repo… | exploit |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Dromara | lamp-cloud |
Affected:
5.6.0
Affected: 5.6.1 Affected: 5.6.2 cpe:2.3:a:dromara:lamp-cloud:*:*:*:*:*:*:*:* |
Credits
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No mitigation information available for this CWE.
No CAPEC attack patterns related to this CWE.